Prof. Dr. Chahan Yeretzian

ZHAW School of Life Sciences and Facility Management
Einsiedlerstrasse 31a
8820 Wädenswil

+41 (0) 58 934 55 26
chahan.yeretzian@zhaw.ch

Projects

Addressing feasibility studies towards cleaner aviation and environmental impacts research with SAF on unregulated engines / Team member / laufend
Comparison of roasting / Project leader / laufend
Soluble Coffee / Project leader / laufend
Infused Drinking Water from Dropz / Project leader / abgeschlossen
Evaluation of Cafetto cleaning protocols for porta filter & automatic coffee machines / Project leader / abgeschlossen
Degassing of Coffee / Project leader / abgeschlossen
Miele - Benchmarking of Full Automatic Coffee Machines / Project leader / abgeschlossen
Density of green coffee beans / Project leader / abgeschlossen
Thermoplan - Nachweis Marker-Verbindungen Milch / Project leader / abgeschlossen
Julius Meinl Kaffee - The Golden Age of Coffee / Project leader / abgeschlossen
Mikafi - Roast Intelligence / Project leader / abgeschlossen
Using data analysis techniques for the interpretation of stable isotope labelling incorporation from real-time PTR-ToF-MS data / Project leader / abgeschlossen
Atomo Coffee - Coffee Without the Bean / Project leader / abgeschlossen
Analysis of Lipid Oxydation in Food / Project leader / abgeschlossen
Suntory - R&D Collaboration on Coffee / Project leader / abgeschlossen
Aroma recovery from coffee roasting / Project leader / abgeschlossen
Development Nespresso CAS Coffee Expertise / Project leader / abgeschlossen
Improving rural livelihoods through promoting high-quality coffee and coffee cherry products in the origin countries Colombia and Bolivia / Deputy project leader / abgeschlossen
Technical recommendation on potential chemical markers of flavor degradation of roast coffee during long-term storage and associated measurement techniques / Project leader / abgeschlossen
Water and Coffee (BWT) / Project leader / abgeschlossen
Conditioning of Green Coffee Prior to Roasting / Project leader / abgeschlossen
Nespresso Coffee Knowledge / Project leader / abgeschlossen
Robust and affordable process control technologies for improving standards and optimising industrial operations / Project leader / abgeschlossen
Indian Coffee in Switzerland by improved quality, labeling and positioning for the socio economic betterment of coffe / Project leader / abgeschlossen

Publications

Articles in scientific journal, peer-reviewed

Khushvakov, Jaloliddin; Opitz, E. W. Sebastian; Plüss, Nadja; Sun, Jasmin; Manthey, Linda Josefine; Rischer, Heiko; Yeretzian, Chahan,

2024.

Analytical platform to determine similarities and dissimilarities between cell-cultured coffee and farm-grown coffee.

ACS Food Science & Technology.

4(8), pp. 1890-1903.

Available from: https://doi.org/10.1021/acsfoodscitech.4c00238
Jacobi, Johanna; Lara, Derly; Opitz, Ed Wieland Sebastian; de Castelberg, Sabine; Urioste, Sergio; Irazoque, Alvaro; Castro, Daniel; Wildisen, Elio; Gutierrez, Nelson; Yeretzian, Chahan,

2024.

Making specialty coffee and coffee-cherry value chains work for family farmers’ livelihoods : a participatory action research approach.

World Development Perspectives.

33(100551).

Available from: https://doi.org/10.1016/j.wdp.2023.100551
Smrke, Samo; Adam, Jan; Mühlemann, Samuel; Lantz, Ingo; Yeretzian, Chahan,

2022.

Effects of different coffee storage methods on coffee freshness after opening of packages.

Food Packaging and Shelf Life.

33(100893).

Available from: https://doi.org/10.1016/j.fpsl.2022.100893
Eibl, Dieter; Sievers, Martin; Eibl, Regine; Bachmann, Martin; Walton, Senta; Keel, Nik; Richner, Gilles; Stübinger, Stefan; Hirsch, Sven; Yeretzian, Chahan; Opitz, Sebastian E.W.; Heldal, Trond; Adlhart, Christian,

2021.

Keeping SARS-CoV-2 out : vaccines, filters, and self-disinfecting textiles.

Chimia.

75(3), pp. 215-218.

Available from: https://doi.org/10.2533/chimia.2021.215
Zanin, Rodolfo Campos; Smrke, Samo; Kurozawa, Louise Emy; Yamashita, Fabio; Yeretzian, Chahan,

2021.

Modulation of aroma release of instant coffees through microparticles of roasted coffee oil.

Food Chemistry.

341, Part 1(128193).

Available from: https://doi.org/10.1016/j.foodchem.2020.128193
Zanin, Rodolfo Campos; Viegas, Marcelo Caldeira; Smrke, Samo; Yeretzian, Chahan; Kurozawa, Louise Emy; Yamashita, Fabio,

2021.

The role of ultrasound-assisted emulsification of roasted coffee oil on aroma profile in spray-dried microparticles and its dynamic release by PTR-ToF–MS.

European Food Research and Technology.

247(4), pp. 865-878.

Available from: https://doi.org/10.1007/s00217-020-03670-1
Zanin, Rodolfo Campos; Smrke, Samo; Yeretzian, Chahan; Kurozawa, Louise Emy; Yamashita, Fabio,

2021.

Ultrasound-assisted emulsification of roasted coffee oil in complex coacervates and real-time coffee aroma release by PTR-ToF–MS.

Food and Bioprocess Technology.

14(10), pp. 1857-1871.

Available from: https://doi.org/10.1007/s11947-021-02683-2
Berchtold, Christian; Bourgeois, Jean-Pascal; Christen, Verena; Dabros, Michal; Demuth, Caspar; Hoffmann, Anika; Kalman, Franka; Kern, Susanne; Marcon, Nadia; Nicolet, Olivier; Pfeifer, Marc E.; Piantini, Umberto; Prim, Denis; Portmann, Cyril; Roth, Samuel; Segura, Jean-Manuel; Vorlet, Olivier; Yeretzian, Chahan; Zollinger, Mathieu; Schlotterbeck, Götz,

2020.

Analytical platforms at Swiss universities of applied sciences.

Chimia.

74(7-8), pp. 618-628.

Available from: https://doi.org/10.2533/chimia.2020.618
Opitz, Sebastian EW; Guessan, Antoine KN; Konan, Georgette; Smrke, Samo; Glöss, Alexia; Schönbächler, Barbara; Klopprogge, Babette; Ahoua, Constant; Yeretzian, Chahan,

2020.

Exploring indicators of food choice for chimpanzees at Taï National Park, Côte d’Ivoire : aroma and antioxidants.

World Journal of Agriculture and Soil Science.

4(2).

Available from: https://doi.org/10.33552/WJASS.2020.04.000588
Sánchez-López, José A.; Yener, Sine; Smrke, Samo; Märk, Tilmann D.; Bonn, Günther; Zimmermann, Ralf; Biasioli, Franco; Yeretzian, Chahan,

2020.

Extraction kinetics of tea aroma compounds as a function brewing temperature, leaf size and water hardness.

Flavour and Fragrance Journal.

35(4), pp. 365-375.

Available from: https://doi.org/10.1002/ffj.3571
Eiermann, André; Smrke, Samo; Guélat, Loïc-Marco; Wellinger, Marco; Rahn, Anja; Yeretzian, Chahan,

2020.

Extraction of single serve coffee capsules : linking properties of ground coffee to extraction dynamics and cup quality.

Scientific Reports.

10(17079).

Available from: https://doi.org/10.1038/s41598-020-74138-1
Zanin, Rodolfo Campos; Smrke, Samo; Kurozawa, Louise Emy; Yamashita, Fabio; Yeretzian, Chahan,

2020.

Novel experimental approach to study aroma release upon reconstitution of instant coffee products.

Food Chemistry.

317(126455).

Available from: https://doi.org/10.1016/j.foodchem.2020.126455
Faas, Nicole; Röcker, Bettina; Smrke, Samo; Yeretzian, Chahan; Yildirim, Selçuk,

2020.

Prevention of lipid oxidation in linseed oil using a palladium-based oxygen scavenging film.

Food Packaging and Shelf Life.

24(100488).

Available from: https://doi.org/10.1016/j.fpsl.2020.100488
Rahn, Anja; Fankhauser, Nina; Yeretzian, Chahan,

2019.

Influence of lipid content and stirring behavior on furan and furan derivative exposure in filter coffee.

Food Chemistry.

286, pp. 22-28.

Available from: https://doi.org/10.1016/j.foodchem.2019.01.207
Dias, Rafael Carlos Eloy; Valderrama, Patrícia; Março, Paulo Henrique; Dos Santos Scholz, Maria Brigida; Edelmann, Michael; Yeretzian, Chahan,

2018.

Quantitative assessment of specific defects in roasted ground coffee via infrared-photoacoustic spectroscopy.

Food Chemistry.

255, pp. 132-138.

Available from: https://doi.org/10.1016/j.foodchem.2018.02.076
Dias, Rafael Carlos Eloy; Valderrama, Patrícia; Março, Paulo Henrique; Dos Santos Scholz, Maria Brigida; Edelmann, Michael; Yeretzian, Chahan,

2018.

Data on roasted coffee with specific defects analyzed by infrared-photoacoustic spectroscopy and chemometrics.

Data in Brief.

2018(20), pp. 242-249.

Available from: https://doi.org/10.1016/j.dib.2018.08.013
Rahn, Anja; Yeretzian, Chahan,

2018.

Impact of consumer behavior on furan and furan-derivative exposure during coffee consumption : a comparison between brewing methods and drinking preferences.

Food Chemistry.

272, pp. 514-522.

Available from: https://doi.org/10.1016/j.foodchem.2018.08.078
Gloess, A.N.; Yeretzian, Chahan; Knochenmuss, R.; Groessl, M.,

2018.

On-line analysis of coffee roasting with ion mobility spectrometry–mass spectrometry (IMS–MS).

International Journal of Mass Spectrometry.

424, pp. 49-57.

Available from: https://doi.org/10.1016/j.ijms.2017.11.017
Smrke, Samo; Wellinger, Marco; Suzuki, Tomonori; Balsiger, Franz; Opitz, Sebastian E. W.; Yeretzian, Chahan,

2018.

Time-resolved gravimetric method to assess degassing of roasted coffee.

Journal of Agricultural and Food Chemistry.

66(21), pp. 5293-5300.

Available from: https://doi.org/10.1021/acs.jafc.7b03310
Opitz, Sebastian E. W.; Goodman, Bernard A.; Keller, Marco; Smrke, Samo; Wellinger, Marco; Schenker, Stefan; Yeretzian, Chahan,

2017.

Understanding the effects of roasting on antioxidant components of coffee brews by coupling on-line ABTS assay to high performance size exclusion chromatography.

Phytochemical Analysis.

28(2), pp. 106-114.

Available from: https://doi.org/10.1002/pca.2661
Sánchez-López, José Antonio; Ziere, Aldo; Martins, Sara I F S; Zimmermann, Ralf; Yeretzian, Chahan,

2016.

Persistence of aroma volatiles in the oral and nasal cavities : real-time monitoring of decay rate in air exhaled through the nose and mouth.

Journal of Breath Research.

10(3), pp. 036005.

Available from: https://doi.org/10.1088/1752-7155/10/3/036005
Yener, Sine; Sánchez-López, José A.; Granitto, Pablo M.; Cappellin, Luca; Märk, Tilmann D.; Zimmermann, Ralf; Bonn, Günther K.; Yeretzian, Chahan; Biasioli, Franco,

2016.

Rapid and direct volatile compound profiling of black and green teas (Camellia sinensis) from different countries with PTR-ToF-MS.

Talanta.

152, pp. 45-53.

Available from: https://doi.org/10.1016/j.talanta.2016.01.050
Sánchez López, José Antonio; Wellinger, Marco; Gloess, Alexia N.; Zimmermann, Ralf; Yeretzian, Chahan,

2016.

Extraction kinetics of coffee aroma compounds using a semi-automatic machine : on-line analysis by PTR-ToF-MS.

International Journal of Mass Spectrometry.

401, pp. 22-30.

Available from: https://doi.org/10.1016/j.ijms.2016.02.015
Smrke, Samo; Kroslakova, Ivana; Gloess, Alexia N.; Yeretzian, Chahan,

2015.

Differentiation of degrees of ripeness of catuai and tipica green coffee by chromatographical and statistical techniques.

Food Chemistry.

174, pp. 637-642.

Available from: https://doi.org/10.1016/j.foodchem.2014.11.060
Petrozzi, Sergio; Yeretzian, Chahan,

2015.

Sustainability code / load index for the semi-quantitative assessment of analytical methods in a research environment : proof of concept.

Environment and Ecology Research.

3(6), pp. 158-177.

Available from: https://doi.org/10.13189/eer.2015.030603
Gloess, Alexia N.; Vietri, Anita; Wieland, Flurin; Smrke, Samo; Schönbächler, Barbara; Sánchez López, José Antonio; Petrozzi, Sergio; Bongers, Sandra; Koziorowski, Thomas; Yeretzian, Chahan,

2014.

Evidence of different flavor formation dynamics by roasting coffee from different origins : on-line analysis with PTR-ToF-MS.

International Journal of Mass Spectrometry.

365-366, pp. 324-337.

Available from: https://doi.org/10.1016/j.ijms.2014.02.010
Glöss, Alexia; Schönbächler, Barbara; Rast, Markus; Deuber, Louis; Yeretzian, Chahan,

2014.

Freshness-indices of roasted coffee : monitoring the loss of freshness for single serve capsules and roasted whole beans in different packaging.

Chimia.

68(3), pp. 179-182.

Available from: https://doi.org/10.2533/chimia.2014.179
Opitz, Sebastian; Smrke, Samo; Goodman, Bernard; Keller, Marco; Schenker, Stefan; Yeretzian, Chahan,

2014.

Antioxidant generation during coffee roasting : a comparison and interpretation from three complementary assays.

Foods.

3(4), pp. 586-604.

Available from: https://doi.org/10.3390/foods3040586
Sánchez López, José Antonio; Zimmermann, Ralf; Yeretzian, Chahan,

2014.

Insight into the time-resolved extraction of aroma compounds during espresso coffee preparation : on-line monitoring by PTR-ToF-MS.

Analytical Chemistry.

86, pp. 11696-11704.

Available from: https://doi.org/10.1021/ac502992k
Hertz-Schünemann, Romy; Dorfner, R.; Yeretzian, Chahan; Streibel, T.; Zimmermann, R.,

2013.

On-line process monitoring of coffee roasting by resonant laser ionisation time-of-flight mass spectrometry : bridging the gap from industrial batch roasting to flavour formation inside an individual coffee bean.

Journal of Mass Spectrometry.

48(12), pp. 1253-1265.

Available from: https://doi.org/10.1002/jms.3299
Gloess, Alexia; Schönbächler, Barbara; Klopprogge, Babette; D`Ambrosio, Lucio; Chatelain, Karin; Bongartz, Annette; Strittmatter, André; Rast, Markus; Yeretzian, Chahan,

2013.

Comparison of nine common coffee extraction methods : instrumental and sensory analysis.

European Food Research and Technology.

236(4), pp. 607-627.

Available from: https://doi.org/10.1007/s00217-013-1917-x
Alonso-Torres, Beatriz; Hernandez-Pérez, José A; Sierra-Espinoza, Fernando; Schenker, Stefan; Yeretzian, Chahan,

2013.

Modeling and validation of heat and mass transfer in individual coffee beans during the coffee roasting process using computational fluid dynamic (CFD).

Chimia.

67(4), pp. 291-294.

Available from: https://doi.org/10.2533/chimia.2013.291
Smrke, Samo; Opitz, Sebastian E. W.; Vovk, Irena; Yeretzian, Chahan,

2013.

How does roasting affect the antioxidants of coffee brew? Exploring the antioxidant capacity of coffee via on-line antioxidant assays coupled to size exclusion chromatography.

Food & Function.

4(7), pp. 1082-1092.

Available from: https://doi.org/10.1039/C3FO30377B
Yeretzian, Chahan; Pascual, Ederlinda C.; Goodman, Bernard,

2013.

Probing free radical processes during storage of extracts from whole roasted coffee beans : impact of O2 exposure during extraction and storage.

Journal of Agricultural and Food Chemistry.

61(13), pp. 3301-3305.

Available from: https://doi.org/10.1021/jf305028s
Wieland, Flurin; Glöss, Alexia N.; Keller, Marco; Wetzel, Andreas; Schenker, Stefan; Yeretzian, Chahan,

2012.

On-line process control of the roast degree of coffee.

Chimia.

66(6), pp. 443.

Available from: https://doi.org/10.2533/chimia.2012.443
Yeretzian, Chahan; Pascual, Ederlinda C.; Goodman, Bernard A.,

2012.

Effect of roasting conditions and grinding on free radical contents of coffee beans stored in air.

Food Chemistry.

131(3), pp. 811-816.

Available from: https://doi.org/10.1016/j.foodchem.2011.09.048
Wieland, Flurin; Gloess, Alexia N.; Keller, Marco; Wetzel, Andreas; Schenker, Stefan; Yeretzian, Chahan,

2012.

Online monitoring of coffee roasting by proton transfer reaction time-of-flight mass spectrometry (PTR-ToF-MS) : towards a real-time process control for a consistent roast profile.

Analytical and Bioanalytical Chemistry.

402(8), pp. 2531-2543.

Available from: https://doi.org/10.1007/s00216-011-5401-9
Goodman, Bernard A.; Pascual, E. C.; Yeretzian, Chahan,

2011.

Real time monitoring of free radical processes during the roasting of coffee beans, using real electron paramagnetic resonance spectroscopy.

Food Chemistry.

125(1), pp. 248-254.

Available from: https://doi.org/10.1016/j.foodchem.2010.07.072
Biasioli, Franco; Yeretzian, Chahan; Dewulf, J.; Langenhove, Van H.; Tilmann, Märk D.,

2011.

Direct injection mass spectrometry (DIMS) : adding the time dimension to (B)VOC analysis.

Trends in Analytical Chemistry.

30(7), pp. 1003-1017.

Available from: https://doi.org/10.1016/j.trac.2011.04.005
Biosioli, Franco; Yeretzian, Chahan; Dewulf, J.; Langenhove, Van H.; Tilmann, Märk,

2011.

PTR-MS monitoring of VOC and BVOC in food science and technology.

Trends in Analytical Chemistry.

30(7), pp. 968-977.

Available from: https://doi.org/10.1016/j.trac.2011.03.009
Wermelinger, Thomas; d'Ambrosio, Lucio; Klopprogge, Babette; Yeretzian, Chahan,

2011.

Quantification of the robusta fraction in a coffee blend via raman spectroscopy : a proof of principle.

Journal of Agricultural and Food Chemistry.

59(17), pp. 9074-9079.

Available from: https://doi.org/10.1021/jf201918a
Lindinger, Christian; Yeretzian, Chahan; Blank, Imre,

2009.

When machine tastes coffee : successful prediction of coffee sensory profiles by instrumental methods based on on-line PTR-MS.

Chimia.

63(5), pp. 292.

Available from: https://doi.org/10.2533/chimia.2009.292
Lindinger, Christian; Labbe, David; Pollien, Philippe; Rytz, Andreas; Juillerat, Marcel A.; Yeretzian, Chahan; Blank, Imre,

2008.

When machine tastes coffee : an instrumental approach to predict the sensory profile of espresso coffee.

Analytical Chemistry.

80(5), pp. 1574-1581.

Available from: https://doi.org/10.1021/ac702196z
Lindinger, Christian; Pollien, Philippe; Ali, Santo; Yeretzian, Chahan; Blank, Imre; Tilmann, Märk,

2005.

Unambiguous identification of volatile organic compounds by proton-transfer-reaction mass-spectrometry (PTR-MS) coupled with GC-MS.

Analytical Chemistry.

77(13), pp. 4117-4124.

Available from: https://doi.org/10.1021/ac0501240
Yeretzian, Chahan; Pollien, Philippe; Lindinger, Christian; Ali, Santo,

2004.

Individualization of flavor preferences : toward a consumer-centric and individualized aroma science.

Comprehensive Reviews in Food Science and Food Safety.

3(4), pp. 152-159.

Available from: https://doi.org/10.1111/j.1541-4337.2004.tb00066.x
Dorfner, Ralph; Ferge, Thomas; Yeretzian, Chahan; Kettrup, Antonius; Zimmermann, Ralf,

2004.

Laser mass spectrometry as on-line sensor for industrial process analysis : process control of coffee roasting.

Analytical Chemistry.

76(5), pp. 1386-1402.

Available from: https://doi.org/10.1021/ac034758n
Pollien, Philippe; Jordan, Alfons; Lindinger, Werner; Yeretzian, Chahan,

2003.

Liquid-air partitioning of volatile compounds in coffee : dynamic measurements using proton-transfer-reaction mass spectrometry.

International Journal of Mass Spectrometry.

228(1), pp. 69-80.

Available from: https://doi.org/10.1016/S1387-3806(03)00197-0
Munro, Lindsey J.; Curioni, Alessandro; Andreoni, Wanda; Yeretzian, Chahan; Watzke, Heribert,

2003.

The elusiveness of coffee aroma : new insights from a non-empirical approach.

Journal of Agricultural and Food Chemistry.

51(10), pp. 3092-3096.

Available from: https://doi.org/10.1021/jf0261607
Yeretzian, Chahan; Jordan, Alfons; Lindinger, Werner,

2003.

Analysing the headspace of coffee by proton-transfer-reaction mass-spectrometry.

International Journal of Mass Spectrometry.

223-224, pp. 115-139.

Available from: https://doi.org/10.1016/S1387-3806(02)00785-6
Roberts, Deborah D.; Pollien, Philippe; Antille, Nicolas; Lindinger, Christian; Yeretzian, Chahan,

2003.

Comparison of nosespace, headspace, and sensory intensity ratings for the evaluation of flavor absorption by fat.

Journal of Agricultural and Food Chemistry.

51(12), pp. 3636-3642.

Available from: https://doi.org/10.1021/jf026230+
Karl, Thomas; Yeretzian, Chahan; Jordan, Alfons; Lindinger, Werner,

2003.

Liquid-gas partition coefficients of volatile organic compounds : using proton-transfer-reaction mass-spectrometry (PTR-MS).

Journal of Mass Spectrometry.

pp. 383-395.
Pollien, Philippe; Lindinger, Christian; Yeretzian, Chahan; Blank, Imre,

2003.

Proton transfer reaction mass spectrometry, a tool for on-line monitoring of acrylamide formation in the headspace of maillard reaction systems and processed food.

Analytical Chemistry.

75(20), pp. 5488-5494.

Available from: https://doi.org/10.1021/ac0344586
Dorfner, Ralph; Ferge, Thomas; Kettrup, Anthonius; Zimmermann, Ralf; Yeretzian, Chahan,

2003.

Real-time monitoring of 4-vinylguaiacol, guaiacol and phenol during roasting by resonant laser ionisation time-of-flight mass-spectrometry.

Journal of Agricultural and Food Chemistry.

51(19), pp. 5768-5773.

Available from: https://doi.org/10.1021/jf0341767
Mayr, Dagmar; Maerk, Tilmann; Lindinger, Werner; Brevard, Hugues; Yeretzian, Chahan,

2003.

Reath-by-breath analysis of banana aroma by proton-transfer-reaction mass-spectrometry.

Journal of Mass Spectrometry.

pp. 743-756.
Yeretzian, Chahan; Jordan, Alfons; Badoud, Raphael; Lindinger, Werner,

2002.

From the green bean to the cup of coffee : investigating coffee roasting by on-line monitoring of volatiles.

European Food Research and Technology.

214(2), pp. 92-104.

Available from: https://doi.org/10.1007/s00217-001-0424-7
Pascual, Ederlinda C.; Goodman, Bernard A.; Yeretzian, Chahan,

2002.

Characterisation of free radicals in soluble coffee by electron paramagnetic resonance spectroscopy.

Journal of Agricultural and Food Chemistry.

50(21), pp. 6114-6122.

Available from: https://doi.org/10.1021/jf020352k
Blank, Imre; Pascual, Ederlinda C.; Devaud, Stéphanie; Fay, Laurent B.; Stadler, Richard H.; Yeretzian, Chahan; Goodman, Bernard A.,

2002.

Degradation of coffee flavor compound furfuryl mercaptan in fenton-type model systems.

Journal of Agricultural and Food Chemistry.

50(8), pp. 2356-2364.

Available from: https://doi.org/10.1021/jf011329m
Cantergiani, Ennio; Brevard, Hugues; Krebs, Yves; Feria-Morales, Alejandro; Amado, Rentato; Yeretzian, Chahan,

2001.

Characterisation of the aroma of green mexican coffee and identification of mouldy/earthy defect.

European Food Research and Technology.

212(6), pp. 648-657.

Available from: https://doi.org/10.1007/s002170100305
Fay, Laurent; Yeretzian, Chahan; Blank, Imre,

2001.

Novel mass spectrometry methods in flavour analysis.

Chimia.

55(5), pp. 429-434.
Zimmermann, Ralf; Dorfner, Ralph; Heger, Hans-Jörg; Kettrup, Antonius; Yeretzian, Chahan,

1999.

Anwendung der resonanzverstärkten Lasermassenspektrometrie (REMPI-TOFMS) zur On-Line Analyse Lebensmitteltechnologischer Prozesse.

Lebensmittelchemie.

53, pp. 34.
Dorfner, Ralph; Zimmermann, Ralph; Kettrup, Antonius; Yeretzian, Chahan; Jordan, Alfons; Lindinger, Werner,

1999.

Vergleich Zweier massenspektrometrischer Verfahren zur Direktanalyse in der Lebensmittelchemie.

Lebensmittelchemie.

53, pp. 32-34.
Heiz, Ueli; Vayloyan, Arthur; Schuhmacher, Ernst; Yeretzian, Chahan; Stener, Mauro; Gisdakis, Philip; Rösch, Notkter,

1996.

NaxAu and CsxAu bimetal clusters : finite size analogs of sodium-gold and caesium-gold compounds.

The Journal of Chemical Physics.

105(13), pp. 5574-5585.

Available from: https://doi.org/10.1063/1.472397
Yeretzian, Chahan; Selzle, Heinrich L.; Schlag, Edward W.,

1996.

ZEKE spectroscopy : high resolution laser spectroscopy in a modified time-of-flight mass spectrometer.

European Journal of Mass Spectrometry.

2(1), pp. 3.

Available from: https://doi.org/10.1255/ejms.74
Zimmermann, Ralf; Heger, Hans Jörg; Yeretzian, Chahan; Nagel, Holger; Boesl, Ulrich,

1996.

Application of laser ionization mass spectrometry for on-line monitoring of volatiles in the headspace of food products : roasting and brewing of coffee.

Rapid Communications in Mass Spectrometry.

10(15), pp. 1975-1979.

Available from: https://doi.org/10.1002/(SICI)1097-0231(199612)10:15<1975::AID-RCM786>3.0.CO;2-X
Albert, Katrin; Neyman, Konstantin M.; Nasluzov, Vladmir A.; Ruzankin, Sergey Ph.; Yeretzian, Chahan; Rösch, Notker,

1995.

On the electronic and geometric structure of bimetallic clusters : a comparison of the novel cluster Na6Pb to Na6Mg.

Chemical Physics Letters.

245(6), pp. 671-678.

Available from: https://doi.org/10.1016/0009-2614(95)01063-F
Yeretzian, Chahan; Hermann, Robert H.; Ungar, Horst; Selzle, Heinrich L.; Schlag, Edward W.; Lin, Sheng H.,

1995.

Breakdown of the born-oppenheimer approximation in ZEKE states of Ag2.

Chemical Physics Letters.

239(1-3), pp. 61-66.

Available from: https://doi.org/10.1016/0009-2614(95)00441-6
Yeretzian, Chahan; Röthlisberger, Ursula; Schumacher, Ernst,

1995.

Na6Pb : a bimetallic cluster of striking stability.

Chemical Physics Letters.

237(3-4), pp. 334-338.

Available from: https://doi.org/10.1016/0009-2614(95)00310-Z
Yeretzian, Chahan,

1995.

Electronic structure effects in bimetallic MxN clusters : M = alkali, N = divalent metal.

The Journal of Physical Chemistry.

99(1), pp. 123-130.

Available from: https://doi.org/10.1021/j100001a022
Németh, Géza I.; Ungar, Horst; Yeretzian, Chahan; Selzle, Heinrich L.; Schlag, Edward W.,

1994.

High-resolution spectroscopy of Ag+2 via long-lived ZEKE states.

Chemical Physics Letters.

228(1-3), pp. 1-8.

Available from: https://doi.org/10.1016/0009-2614(94)00904-X
Yeretzian, Chahan; Beck, Rainer D.; Whetten, Robert L.,

1994.

Cluster-surface scattering in a reflectron collider : probing fullerenes by surface impact.

International Journal of Mass Spectrometry.

135(2-3), pp. 79-118.

Available from: https://doi.org/10.1016/0168-1176(94)04011-7
Hansen, Klavs; Yeretzian, Chahan; Whetten, Robert L.,

1994.

A simple rate equation for fullerene coalescence.

Chemical Physics Letters.

218(5-6), pp. 462-466.

Available from: https://doi.org/10.1016/0009-2614(94)00016-6
Yeretzian, Chahan; Schlag, Edward W.,

1994.

Physikalische und Theoretische Chemie 1993.

Nachrichten aus Chemie, Technik und Laboratorium.

42(2), pp. 181-191.

Available from: https://doi.org/10.1002/nadc.19940420211
Whetten, Robert L.; Yeretzian, Chahan; St. John, Pamela M.,

1994.

Cleavage patterns of carbon clusters from impact-induced fragmentation of C- N, N = 10-50.

International Journal of Mass Spectrometry.

138, pp. 63-76.

Available from: https://doi.org/10.1016/0168-1176(94)04063-X
Yeretzian, Chahan; Hansen, Klavs; Diederich, François; Whetten, Robert L.,

1993.

Coalescence reactions of fullerenes.

Zeitschrift für Physik D: Atoms, Molecules and Clusters.

26(Supp1), pp. 300-304.

Available from: https://doi.org/10.1007/BF01425697
Yeretzian, Chahan; Wiley, John B.; Holczer, Karoly; Su, Tim; Nguyen, Song; Kaner, Richard B.; Whetten, Robert L.,

1993.

Partial separation of fullerenes by gradient sublimation.

The Journal of Physical Chemistry.

97(39), pp. 10097-10101.

Available from: https://doi.org/10.1021/j100141a033
Yeretzian, Chahan; Hansen, Klavs; Whetten, Robert L.,

1993.

Rates of electron emission from impact-heated fullerenes.

Science.

260(5108), pp. 652-656.

Available from: https://doi.org/10.1126/science.260.5108.652
Yeretzian, Chahan; Hansen, Klavs; Beck, Rainer D.; Whetten, Robert L.,

1993.

Surface scattering of C60+ : recoil velocities and yield of C60.

The Journal of Chemical Physics.

98(9), pp. 7480.
Rubin, Yves; Khan, Saeed; Freedberg, Daron I.; Yeretzian, Chahan,

1993.

Synthesis and x-ray structure of a diels-alder adduct of C60.

Journal of the American Chemical Society.

115(1), pp. 344-345.

Available from: https://doi.org/10.1021/ja00054a049
Whetten, Robert L.; Yeretzian, Chahan,

1992.

Fullerenes under extreme temperatures and stress : collisions of fullerenes with surfaces and with other fullerenes.

International Journal of Modern Physics B.

6(23/24), pp. 3801-3814.

Available from: https://doi.org/10.1142/S0217979292001869
St. John, Pamela M.; Yeretzian, Chahan; Whetten, Robert L.,

1992.

Electron emission mechanism for impact of CN- and SiN- clusters.

The Journal of Physical Chemistry.

96(23), pp. 9100-9104.

Available from: https://doi.org/10.1021/j100202a005
Yeretzian, Chahan; Hansen, Klavs; Diederich, François; Whetten, Robert L.,

1992.

Coalescence reactions of fullerenes.

Nature.

359(6390), pp. 44-47.

Available from: https://doi.org/10.1038/359044a0
Yeretzian, Chahan; Hansen, Klavis; Alvarez, Marcos M.; Min, K. S.; Gillan, E. G.; Holczer, Károly; Kaner, Richard B.; Whetten, Robert L.,

1992.

Collisional probes and possible structure of La2C80.

Chemical Physics Letters.

196(3-4), pp. 337-342.

Available from: https://doi.org/10.1016/0009-2614(92)85978-J
Gillan, Edward G.; Yeretzian, Chahan; Min, Kyu S.; Alvarez, Marcos M.; Whetten, Robert L.; Kaner, Richard B.,

1992.

Endohedral rare-earth fullerene complexes.

The Journal of Physical Chemistry.

96(17), pp. 6869-6871.

Available from: https://doi.org/10.1021/j100196a006
Yeretzian, Chahan; Whetten, Robert L.,

1992.

Delayed emission of electrons from C60 following energetic impact against graphite.

Zeitschrift für Physik D: Atoms, Molecules and Clusters.

24(2), pp. 199-202.

Available from: https://doi.org/10.1007/BF01426705
Bunshah, Rointan F.; Jou, Shyankay; Prakash, Shiva; Doerr, Hans J.; Isaacs, Lyle; Wehrsig, Arno; Yeretzian, Chahan; Cynn, Hyunchae; Diederich, Francois,

1992.

Fullerene formation in sputtering and electron beam evaporation processes.

The Journal of Physical Chemistry.

96(17), pp. 6866-6869.

Available from: https://doi.org/10.1021/j100196a005
Kappes, Manfred M.; Schär, Martin; Röthlisberger, Ursula; Yeretzian, Chahan; Schumacher, Ernst,

1988.

Sodium cluster ionization potentials revisited : higher resolution measurements for Nax (x<23) and their relation to bonding models.

Chemical Physics Letters.

143(3), pp. 251-258.

Available from: https://doi.org/10.1016/0009-2614(88)87376-7
Schumacher, Ernst; Blatter, Fritz; Frey, Martin; Heiz, Ueli; Röthlisberger, Ursula; Schär, Martin; Vayloyan, Arthur; Yeretzian, Chahan,

1988.

Metal clusters : between atom and bulk.

Chimia.

42(11), pp. 357.

Books and monographs, peer-reviewed

Jiménez, María Julia; Fernández Valdez, Yara Carolina; Jacobi, Johanna; Yeretzian, Chahan,

2021.

Sultana : good practices and other curiosities.

Slow Food Bolivia.

Available from: https://doi.org/10.21256/zhaw-21770
Jiménez, María Julia; Fernández Valdez, Yara Carolina; Jacobi, Johanna; Yeretzian, Chahan,

2021.

Coffee cherry flavour.

Slow Food Bolivia.

Available from: https://doi.org/10.21256/zhaw-21771
Gutiérrez Guzmán, Nelson; Lara Figueroa, Derly Cibelly; Castro Cabrera, Daniel Mauricio; Yeretzian, Chahan; de Castelberg, Sabine; Jacobi, Johanna; Opitz, Sebastian,

2020.

Análisis de stakeholders y mapeos de cadenas de valor del café en Colombia.

Primera edición.

Bogotá:

Ecoe Ediciones.

ISBN 978-958-771-970-3.

Available from: https://doi.org/10.21256/zhaw-21732

Book parts, peer-reviewed

Yeretzian, Chahan; Opitz, Sebastian; Smrke, Samo; Wellinger, Marco,

2019.

Coffee volatile and aroma compounds : from the green bean to the cup.

In:

Farah, Adriana, ed.,

Coffee : production, quality and chemistry.

London:

Royal Society of Chemistry.

pp. 726-770.

Available from: https://doi.org/10.1039/9781782622437-00726
Wellinger, Marco; Smrke, Samo; Yeretzian, Chahan,

2017.

Water for extraction : composition, recommendations, and treatment.

In:

The craft and science of coffee.

Amsterdam:

Elsevier.

pp. 381-398.

Available from: https://doi.org/10.1016/B978-0-12-803520-7.00016-5
Yeretzian, Chahan,

2017.

Coffee.

In:

Springer handbook of odor.

Springer.

pp. 107-127.

Springer Handbooks.

Available from: https://doi.org/10.1007/978-3-319-26932-0_6
Yeretzian, Chahan; Blank, Imre; Wyser, Yves,

2017.

Protecting the flavors : freshness as a key to quality.

In:

The craft and science of coffee.

Elsevier.

pp. 329-353.

Available from: https://doi.org/10.1016/B978-0-12-803520-7.00014-1
Goodman, Bernard A.; Yeretzian, Chahan,

2015.

Free radical processes in coffee I : solid samples.

In:

Processing and impact on active components in food.

London:

Academic Press.

pp. 559-566.

Available from: https://doi.org/10.1016/B978-0-12-404699-3.00067-6
Goodman, Bernard A.; Yeretzian, Chahan,

2015.

Free radical processes in coffee II : liquids.

In:

Processing and impact on active components in food.

Academic Press.

pp. 567-574.

Available from: https://doi.org/10.1016/B978-0-12-404699-3.00068-8
Opitz, Sebastian; Smrke, Samo; Goodman, Bernard A.; Yeretzian, Chahan,

2014.

Methodology for the measurement of antioxidant capacity of coffee : a validated platform composed of three complementary antioxidant assays.

In:

Preedy, Victor R., ed.,

Processing and impact on antioxidants in beverage.

London:

Academic Press.

pp. 253-264.

Available from: https://doi.org/10.1016/B978-0-12-404738-9.00026-X
Miedema, Jan-Pieter; Brazsák, Josef; Ludwig, Bernhard; Ellison, Alan D.; Jackson, John E.; Schildknecht, Eckhard; Yeretzian, Chahan; Blank, Imre; Palzer, Stefan,

2007.

Flavouring of dehydrated convenience food and kitchen aids.

In:

Flavourings.

Wiley.

pp. 549-572.

Available from: https://doi.org/10.1002/9783527611454.ch5b
German, J. Bruce; Yeretzian, Chahan; Tolstoguzov, Vladimir B.,

2007.

Olfaction, where nutrition, memory and immunity intersect.

In:

Flavours and fragrances.

Berlin:

Springer.

pp. 25-41.

Available from: https://doi.org/10.1007/978-3-540-49339-6_3
Kappes, Manfred M.; Schär, Martin; Yeretzian, Chahan; Heiz, Ulrich; Vayloyan, Arthur; Schumacher, Ernst,

1987.

Alkali clusters : structure, stability, large amplitude motion and chemical properties.

In:

Physics and chemistry of small clusters.

Springer.

pp. 145-149.

Available from: https://doi.org/10.1007/978-1-4757-0357-3_23

Conference contributions, peer-reviewed

Röcker, Bettina; Rüegg, Nadine; Glöss, Alexia N.; Yeretzian, Chahan; Yildirim, Selçuk,

2017.

Inactivation of palladium-based oxygen scavenger system by volatile sulphur compounds present in the headspace of packaged food[paper].

In:

Packaging Technology and Science.

20th IAPRI World Conference on Packaging 2016, Sao Paulo, 12-15 June 2016.

Wiley.

pp. 427-442.

Available from: https://doi.org/10.1002/pts.2220
Wellinger, Marco; Petrozzi, Sergio; Renaud, Jean-Marc; Christlbauer, Monika; Yeretzian, Chahan,

2015.

On-line PTR-ToF-MS quantification of volatile aroma compounds released during tobacco heat treatment[paper].

In:

Taylor, A. J.; Mottram, D. S., eds.,

Flavour Science: Proceedings of the XIV Weurman Flavour Research Symposium.

14th Weurman Flavour Research Symposium, Cambridge, United Kingdom, 15-19 September 2014.

Context.

pp. 253-257.
Wieland, Flurin; Neff, Angela; Gloess, Alexia; Poisson, Luigi; Blank, Imre; Pretre, Daniel; Milo, Christian; Yeretzian, Chahan,

2013.

Automated setup for high precision measurements of Henry law constants of volatile organic compounds over a large temperature range[paper].

In:

6th International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications.

6th International Conference on Proton Transfer Reaction Mass Spectrometry and ist Applications, Obergurgl, Austria, 3-8 February 2013.

Innsbruck University Press.

pp. 234-237.
Yeretzian, Chahan; Gloess, Alexia; Wieland, Flurin,

2010.

Application of proton-transfer-reaction time-of-flight mass-spectroscopy (PTR-ToF-MS) in coffee research[poster].

In:

Fall Meeting 2010 of the Swiss Chemical Society, Zurich, 16 September 2010.

Schweizerische Chemische Gesellschaft.
Blank, Imre; Wüst, Matthias; Yeretzian, Chahan, eds.,

2010.

Expression of multidisciplinary flavour science : proceedings of the 12th Weurman Symposium.

12th Weurman Symposium, Interlaken, Switzerland, 2008.

Winterthur:

ZHAW Zürcher Hochschule für Angewandte Wissenschaften.

.

ISBN 978-3-905745-19-1.

Available from: https://doi.org/10.21256/zhaw-4218
Wild, Andrea; Glöss, Alexia; D'Ambrosio, Lucio; Rentsch, Hans; Rink, Adrian; Yeretzian, Chahan,

2010.

Nose-space analysis of coffee by on-line proton-transfer-reaction time-of-flight mass spectrometry (PTR-ToF-MS)[poster].

In:

Fall Meeting 2010 of the Swiss Chemical Society, Zurich, 16 September 2010.

Schweizerische Chemische Gesellschaft.

pp. 473.
Blank, Imre; Pollien, Philippe; Yeretzian, Chahan,

2003.

A new application of PTR-MS : aroma generation through the Maillard reaction[paper].

In:

Contributions to the 1st International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications. 1st International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications, Innsbruck, January 18-23, 2003.

1st International Conference on Proton Transfer Reaction Mass Spectrometry and Its Applications, Innsbruck, 18-23 January 2003.

Innsbruck:

Innsbruck University Press.

pp. 87-90.

Available from: http://www.ionicon.com/sites/default/files/uploads/doc/contributions_ptr_ms_Conference_1.pdf
Pollien, Philippe; Lindinger, Christian; Ali, Santo; Yeretzian, Chahan,

2003.

Absolute quantification of headspace volatiles by PTR-MS[paper].

In:

Contributions to the 1st International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications.

1st International Conference on Proton Transfer Reaction Mass Spectrometry and Its Applications, Innsbruck, 18-23 January 2003.

Innsbruck:

Innsbruck University Press.

pp. 153-156.

Available from: http://www.ionicon.com/sites/default/files/uploads/doc/contributions_ptr_ms_Conference_1.pdf
Lindinger, Christian; Pollien, Philippe; Ali, Santo; Märk, Tilmann; Yeretzian, Chahan,

2003.

Coupling GC-MS with PTR-MS for unambiguous chemical characterisation of on-line PTR-MS spectra[paper].

In:

1st International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications, Innsbruck, January 18-23, 2003.

Innsbruck:

Innsbruck University Press.

pp. 157-160.

Available from: http://www.ionicon.com/sites/default/files/uploads/doc/contributions_ptr_ms_Conference_1.pdf
Ali, Santo; Pollien, Philippe; Lindinger, Christian; Yeretzian, Chahan,

2003.

In-vivo analysis of aroma release while eating food : a novel set-up for monitoring on-line nosespace air[paper].

In:

Contributions to the 1st International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications. 1st International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications, Innsbruck, January 18-23, 2003.

1st International Conference on Proton Transfer Reaction Mass Spectrometry and Its Applications, Innsbruck, 18-23 January 2003.

Innsbruck:

Innsbruck University Press.

pp. 161-164.

Available from: http://www.ionicon.com/sites/default/files/uploads/doc/contributions_ptr_ms_Conference_1.pdf
Yeretzian, Chahan; Pollien, Philippe; Lindinger, Christian; Ali, Santo,

2003.

Progress and prospects of PTR-MS in food science[paper].

In:

Contributions to the 1st International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications. 1st International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications, Innsbruck, January 18-23, 2003.

1st International Conference on Proton Transfer Reaction Mass Spectrometry and Its Applications, Innsbruck, 18-23 January 2003.

Innsbruck:

Innsbruck University Press.

pp. 80-81.

Available from: http://www.ionicon.com/sites/default/files/uploads/doc/contributions_ptr_ms_Conference_1.pdf
Lindinger, Christian; Ali, Santo; Buettner, Andrea; Schieberle, Peter; Stoupis, Christoforos; Vock, Peter; Yeretzian, Chahan,

2003.

Simultaneous real-time magnetic resonance imaging (MRI) and nose-space analysis by proton-transfer-reaction mass-spectrometry during eating[paper].

In:

226th National ACS Meeting, New York, 14 July 2003.

Washington:

American Chemical Society.
Yeretzian, Chahan; Jordan, Alfons; Graus, Martin; Pollien, Philippe; Lindinger, Werner,

2002.

Applications of PTR-MS in food flavour research : recent progress and prospects[paper].

In:

Contributions to the 13. Symposium on atomic and surface physics and related topics.

XIII. Symposium on Atomic and Surface Physics and Related Topics (SASP), Kitzbühel, 17-23 February 2002.

Innsbruck:

Universität Innsbruck.

pp. 64-66.

Available from: http://www.iaea.org/inis/collection/NCLCollectionStore/_Public/33/060/33060701.pdf?r=1
Dorfner, Ralph; Ferge, Thomas; Yeretzian, Chahan; Kettrup, Antonius; Zimmermann, Ralf,

2002.

On-line analysis of coffee roasting off-gas with laser ionisation (REMPI and SPI) mass spectrometry measurement at large scale roasting facilities and on-line determination of the roast degree[paper].

In:

Proceedings of the 50th ASMS Conference on Mass Spectrometry and Allied Topics.

50th ASMS Conference on Mass Spectrometry and Allied Topics, Orlando FL, USA, 2-6 June 2002.

Other publications

Yeretzian, Chahan,

2020.

The coffee excellence center of the Zurich University of Applied Sciences.

The Innovation Platform.

2020(1), pp. 260-263.
Beck, Barbara; Freimüller Leischtfeld, Susette; Opitz, Sebastian; Yeretzian, Chahan; Miescher Schwenninger, Susanne,

2019.

Exploring the impact of spontaneous wet fermentation on microbiota and coffee quality[poster].

In:

Cocotea2019 Book Of Abstracts - Posters.

Fifth International Congress on Cocoa Coffee and Tea 2019, Bremen, Germany, 26-28 June 2019.

pp. 30.

Available from: https://www.cocotea2019.com/app/download/12646324787/Cocotea2019+Book+Of+Abstracts+-+Posters.PDF?t=1563552975
Glöss, Alexia; Yeretzian, Chahan; Knochenmuss, Richard; Groessl, Michael,

2019.

Online-Analyse der Kaffeeröstung.

ChemieXtra.

2019(5), pp. 28-29.

Available from: http://issuu.com/sigwerbgmbh/docs/cx_2019_5_web_93e48a1b169b11?e=2736742/69848464
Yeretzian, Chahan; Glöss, Alexia N.; Knochenmuss, Richard,

2019.

Online-Analyse der Kaffeeröstung : Aromen-Bildung in der Ionenmobilitäts-Spektrometrie.

LVT Lebensmittel Industrie.

2019(1-2), pp. 9-10.
Yeretzian, Chahan,

2018.

Online-Analyse der Kaffeeröstung mittels Ionenmobilitäts-Spektrometrie.

Transfer.

2018(2), pp. 8.

Available from: https://doi.org/10.21256/zhaw-13651
Kishigami, Mizue; Wellinger, Marco; Früh, Patrick; Yeretzian, Chahan,

2018.

Filter coffee extraction : a time-resolved view[poster].

In:

Specialty Coffee Expo 2018, Seattle, USA, 19-22 April 2018.
Smrke, Samo; Sage, Emma; Wellinger, Marco; Yeretzian, Chahan,

2018.

The coffee freshness handbook.

1. Auflage.

Santa Ana:

Specialty Coffee Association (SCA).

ISBN 978-0-9995807-2-1.
Wellinger, Marco; Smrke, Samo; Yeretzian, Chahan,

2018.

The SCA water quality handbook.

Speciality Coffee Association.

ISBN 978-0-9995807-3-8.
Yeretzian, Chahan,

2017.

Folgen des Klimawandels für Kaffeeanbau : zu wenig Regen schadet dem Geschmack.

WirtschaftsWoche.

Available from: http://www.wiwo.de/unternehmen/handel/folgen-des-klimawandels-fuer-kaffeeanbau-zu-wenig-regen-schadet-dem-geschmack/19263150.html
Smrke, Samo; Rahn, Anja; Gloess, Alexia; Yeretzian, Chahan,

2017.

On-line coffee flavour formation analysis using PTR-Tof_MS during roasting under different atmospheres[paper].

In:

Flavour Science : Proceedings of the XV Weurman flavour research symposium.

15th Weurman Flavour Research Symposium, Graz, Austria, 18-22 September 2017.

Technische Universität Graz.
Wellinger, Marco; Smrke, Samo; Yeretzian, Chahan,

2017.

The SCAE water chart : measure aim trat.

Speciality Coffee Association of Europe.
Petrozzi, Sergio; Yeretzian, Chahan,

2016.

Einführung eines Nachhaltigkeitscodes/Belastungsindexes für die semiquantitative Gewichtung von analytischen Methoden : Verbessertes und nachhaltigeres Praktikum in der Fachstelle Analytische Chemie des ICBT.

1. Auflage.

Winterthur:

ZHAW Zürcher Hochschule für Angewandte Wissenschaften.

ISBN 9783737557856.
Sanchez Lopez, Jose; Wellinger, Marco; Gloess, Alexia; Zimmermann, Ralf; Yeretzian, Chahan,

2016.

Extraction kinetics of coffee aroma compounds during espresso extraction : on-line analysis by PTR-MS[paper].

In:

Contributions 7th International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications.

7th International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications, Obergurgl, Austria, 14-19 February 2016.

Innsbruck University Press.
Zimmermann, R.; Ehlert, S.; Czech, H.; Schepler, C.; Fischer, M.; Wohlfahrt, S.; Hertz-Schünemann, R.; Denner, T.; Howell, J.; Yeretzian, Chahan; Walte, A.; Streibel, T.,

2016.

New analytical and statistical tools to study the flavor formation during the roasting process of coffee beans, cacao beans and nuts[paper].

In:

XXth Symposium on Atomic, Cluster and Surface Physics 2016 (SASP 2016).

XXth Symposium on Atomic, Cluster and Surface Physics 2016 (SASP 2016), Davos, 7-12 February 2016.

Innsbruck University Press.
Stohner, Jürgen; Yeretzian, Chahan, eds.,

2016.

XXth Symposium on Atomic, Cluster and Surface Physics 2016 (SASP 2016).

XXth Symposium on Atomic, Cluster and Surface Physics 2016 (SASP 2016), Davos, 7-12 February 2016.

Innsbruck University Press.

Conference Series.

ISBN 978-3-903122-04-8.

Available from: https://www.uibk.ac.at/iup/buch_pdfs/9783903122048.pdf
Sanchez Lopez, Jose; Yener, Sine; Bonn, Günther; Märk, Tilmann; Zimmermann, Ralf; Yeretzian, Chahan; Biasoli, Franco,

2015.

Exploring the extraction dynamics of green tea by PTR-ToF_MS[poster].

In:

4th MS Food Day, Foggia, Italy, 7-9 October 2015.
Sanchez Lopez, Jose; Zimmermann, Ralf; Yeretzian, Chahan,

2015.

Extraction kinetics of coffee aroma compounds by on-line PTR-MS[paper].

In:

Flavour Science : Proceedings from the XIV Weurman Flavour Research Symposium.

14th Weurman Flavour Research Symposium, Cambridge, United Kingdom, 15-19 September 2014.

pp. 147-150.
Huber, Petra; Adlhart, Christian; Luginbühl, Vera; Morf, Fabienne; Opitz, Sebastian; Yeretzian, Chahan,

2014.

Coffee based polyphenols with potential in skin care : antioxidant activity and skin penetration assessed by in vivo Raman spectroscopy.

Household and Personal Care Today.

9(3), pp. 28-34.

Available from: http://www.teknoscienze.com/tks_article/coffee-based-polyphenols-with-potential-in-skin-careantioxidant-activity-and-skin-penetration-assessed-by-in-vivo-raman-spectroscopy/
Gloess, Alexia N.; Yeretzian, Chahan; Vietri, Anita; Bongers, Sandra; Koziorowski, Thomas,

2013.

On-line analysis of the coffee roasting process with PTR-ToF-MS : evidence of different flavor formation dynamics for different coffee varieties[paper].

In:

Contributions : 6th International Conference on Proton Transfer Reaction Mass Spectrometry and ist Applications.

6th International Conference on Proton Transfer Reaction Mass Spectrometry and ist Applications, Obergurgl, Austria, 3-8 February 2013.

Innsbruck:

Innsbruck University Press.

pp. 166-169.
Gloess, Alexia; Wellinger, Marco; Schönbächler, Barbara; Wieland, Flurin; Lindinger, Christian; Yeretzian, Chahan,

2013.

Predicting the sensory profiles of coffee based on PTR-ToF-MS and GC-MS measurements[paper].

In:

Contributions : 6th International Conference on Proton Transfer Reaction Mass Spectrometry and ist Applications.

6th International Conference on Proton Transfer Reaction Mass Spectrometry and ist Applications, Obergurgl, Austria, 3-8 February 2013.

Innsbruck:

Innsbruck University Press.

pp. 54-57.
Yeretzian, Chahan; Gloess, Alexia; Schönbächler, Barbara; Wellinger, Marco; Neff, Angela; Wieland, Flurin,

2013.

Recent applications of PTR-ToF-MS in coffee research[paper].

In:

6th International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications.

6th International Conference on Proton Transfer Reaction Mass Spectrometry and ist Applications, Obergurgl, Austria, 3-8 February 2013.

Innsbruck University Press.

pp. 67-70.
Schönbächler, Barbara; Glöss, Alexia N.; Wellinger, Marco; Klopprogge, Babette; Rast, Markus; Deuber, Louis; Yeretzian, Chahan,

2012.

Can we measure the freshness of roasted coffee?[paper].

In:

24th International Conference on Coffee Science, San José, Costa Rica, 12-16 November 2012.

Paris:

Association pour la Science et l'information sur le café.

pp. 271-275.
Smrke, Samo; Opitz, Sebastian; Petrozzi, Sergio; Yeretzian, Chahan,

2012.

Characterization of coffee brews made from different roasting degrees using size exclusion chromatography and antioxidant assays[poster].

In:

Fall Meeting 2012 of the Swiss Chemical Society, Zurich, 13 September 2012.

Schweizerische Chemische Gesellschaft.

pp. 494.
Glöss, Alexia; Knöpfli Lengweiler, Kaja; Yeretzian, Chahan; Schönbächler, Barbara,

2012.

Entwicklung einer Methode zur Untersuchung von Innenraumluft.

SVG Journal.

2, pp. 9-10.
Gloess, Alexia; Knöpfli Lengweiler, Kaja; Yeretzian, Chahan; Schönbächler, Barbara,

2012.

Entwicklung einer Methode zur Untersuchung von Innenraumluft.

Transfer.

2012(1), pp. 7.

Available from: https://doi.org/10.21256/zhaw-12800
Wieland, Flurin; Glöss, Alexia; Keller, Marco; Wetzel, Andreas; Schenker, Stefan; Yeretzian, Chahan,

2012.

Online monitoring of the roastwer off-gas during coffee roasting using proton transfer reaction time-of-flight mass spectroscopy (PTR-ToF-MS) : towards a real-time process control for a consistent roast profile[poster].

In:

Fall Meeting 2012 of the Swiss Chemical Society, Zurich, 13 September 2012.

Schweizerische Vereinigung fuer Gesundheitsschutz und Umwelttechnik.

pp. 494.
Wieland, Flurin; Glöss, Alexia; Keller, Marco; Wetzel, Andreas; Schenker, Stefan; Yeretzian, Chahan,

2012.

Progress on coffee roasting : a process control tool for a consistent roast degree-roas after roast.

New Food.

15(3), pp. 22-26.
Gloess, Alexia; Chatelain, Karin; Bongartz, Annette; Strittmatter, André; Rast, Markus; Yeretzian, Chahan,

2011.

Sensory and chemical quality of a coffee brew : effect of different extraction methods[poster].

In:

9th Pangborn Sensory Science Symposium, Toronto, Canada, 4-8 September 2011.
Blank, Imre; Baggenstoss, Jürg; Piosson, Luigi; Kerler, Josef; Rytz, Andreas; Pollien, Philippe; Lindinger, Christian; Yeretzian, Chahan,

2011.

Advanced predictive tools based on holistic and targeted approaches for the analytical-sensory correlation of coffee aroma[paper].

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Contributions : 5th International Conference on Proton Transfer Reaction Mass Spectrometry and ist Applications.

5th International Conference on Proton Transfer Reaction Mass Spectrometry and ist Applications, Obergurgl, Austria, 26 January - 2 February 2011.

pp. 99-102.
Glöss, Alexia; Schönbächler, Barbara; Vietri, Anita; Bongers, Sandra; Koziorowski, Thomas; Yeretzian, Chahan,

2011.

Einfluss der Röstung auf das Aroma von Kaffee : On-line Analyse der Röstung mittels Protonentransfer-Massenspektrometrie.

GIT: Labor-Fachzeitschrift.

2011(10), pp. 712.
Petrozzi, Sergio; Wieland, Flurin; Glöss, Alexia N.; D’Ambrosio, Lucio; Yeretzian, Chahan,

2011.

Flow injection analysis for the direct quantification of the total polyphenol content in coffee brews.

Journal of Flow Injection Analysis.

28(1), pp. 23-28.

Available from: http://jafia.kyushu-u.ac.jp/japanese/jfia/contents/28_1/PDF/JFIA28(1)(2011)pp23.pdf
Wieland, Flurin; Gloess, Alexia N.; Yeretzian, Chahan,

2011.

Measuring partition coefficients of VOC's and their temperature dependence by dynamic stripping and Proton-Transfer Reaction Time-of-Flight Mass Spectrometry (PTR-ToF_MS)[poster].

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Contributions : 5th International Conference on Proton Transfer Reaction Mass Spectrometry and ist Applications.

5th International Conference on Proton Transfer Reaction Mass Spectrometry and ist Applications, Obergurgl, Austria, 26 January - 2 February 2011.

Innsbruck:

Innsbruck University Press.

pp. 259-260.
Wieland, Flurin; Glöss, Alexia; Yeretzian, Chahan; Keller, Marco; Wetzel, Andreas,

2011.

Process control of coffee roasting via on-line monitoring of volatile organic compounds with PTR-ToF-MS[paper].

In:

Proceedings of the 1st International Congress on Cocoa Coffee and Tea.

1st International Congress on Cocoa Coffee and Tea (CoCoTea 2011), Novara, 13-16 September 2011.

pp. 80-81.
Yeretzian, Chahan; Glöss, Alexia; Petrozzi, Sergio; D Ambrosio, Lucio; Knöpfli Lengweiler, Kaja; Wieland, Flurin; Fridolin Wild, Andrea; Anliker, Ruedi,

2010.

The smell of coffee : an analytical perspective.

New Food.

13(4), pp. 10-17.

Available from: https://www.newfoodmagazine.com/article/2565/the-smell-of-coffee-an-analytical-perspective/
Lindinger, Christian; de Vos, Ric C. H.; Lambot, Charles; Pollien, Philippe; Rytz, Andreas; Voirol-Baliguet, Elisabeth; Fumeaux, René; Robert, Fabien; Yeretzian, Chahan; Blank, Imre,

2010.

Coffee chemometrics as a new concept : untargeted metabolic profiling of coffee[paper].

In:

Expression of Multidisciplinary Flavour Science.

12th Weurman Flavour Research Symposium, Interlaken, 1-4 July 2008.

Winterthur:

ZHAW Zurich University of Applied Sciences.

pp. 581-584.

Available from: https://doi.org/10.21256/zhaw-1952
D'Ambrosio, Lucio; Wermelinger, Thomas; Klopprogge, Babette; Yeretzian, Chahan,

2010.

How much robusta coffee is in a roasted coffee blend? : quantification of the robusta fraction via two alternative instrumental methods: confocal raman spectroscopy and HPLC[poster].

In:

Fall Meeting 2010 of the Swiss Chemical Society, Zurich, 16 September 2010.

Schweizerische Chemische Gesellschaft.

pp. 474.
Gloess, Alexia; Vietri, Anita; Yeretzian, Chahan,

2010.

Mit dem Massenspektrometer an Prozessen schnüffeln.

Transfer.

2010(3), pp. 4.

Available from: https://doi.org/10.21256/zhaw-12799
Petrozzi, Sergio; D'Ambrosio, Lucio; Yeretzian, Chahan,

2010.

Rapid estimation of total polyphenols in coffee brews by flow injection analysis with colorimetric detection[poster].

In:

Fall Meeting of the Swiss Chemical Society, Zurich, 16 September 2010.

Schweizerische Chemische Gesellschaft.

pp. 474.
Yeretzian, Chahan; Pollien, Philippe; Graus, Martin,

2009.

Coffee roasting : exploring the impact of the time-temperature profile on the formation kinetics of volatile organic compounds by PTR-MS[paper].

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4th International Proton Transfer Reaction Mass Spectrometry Conference, Obergurgl, Austria, 6-21 February 2009.

Innsbruck:

Innsbruck University Press.

pp. 221-225.
Blank, Imre; Wüst, Matthias; Yeretzian, Chahan, eds.,

2009.

Expression of multidisciplinary flavor science : research highlights from the 12th Weurman Symposium.

12th Weurman Symposium, Interlaken, July 2008.

Washington:

American Chemical Society.

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ISBN 978-3-905745-19-1.

Available from: https://doi.org/10.1021/jf902402s
Pollien, Philippe; Lindinger, Christian; Glöss, Alexia N.; Yeretzian, Chahan,

2009.

Measuring partition coefficients of VOCs using a dynamic, PTR-MS-coupled method[paper].

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4th International Proton Transfer Reaction Mass Spectrometry Conference, Obergurgl, Austria, 6-21 February 2009.

Innsbruck:

Innsbruck University Press.

pp. 221-225.
Yeretzian, Chahan,

2009.

Range expanded : a tasting tour of the New Grands Crus Universe.

Nespresso Magazin.

2009(12), pp. 41-44.
Yeretzian, Chahan,

2008.

Doctor coffee : the amazing elixir.

Nespresso Magazin.

2008(11), pp. 46-49.
Blank, Imre; Wüst, Matthias; Yeretzian, Chahan, eds.,

2008.

Expression of multidisciplinary flavour science proceedings of the 12th Weurman Symposium : Interlaken, Switzerland, July 2008.

12th Weurman Symposium, Interlaken, 01-04 July 2008.

Winterthur:

ZHAW Zürcher Hochschule für Angewandte Wissenschaften.

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ISBN 978-3-905745-19-1.
Pascual, Ederlinda; Yeretzian, Chahan; Pirker, Katharina; Goodman, Bernard,

2005.

Antioxidant, pro-oxidant and free radical processes in coffee[paper].

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Natural antioxidants and micronutrients : proceedings of the Third International Symposium on Natural Antioxidants, Molecular Mechanisms and Health Effects (ISNA).

3rd International Symposium on Natural Antioxidants, Shanghai, China, 24-29 June 2005.

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pp. 119-125.
Yeretzian, Chahan,

2004.

Das Aroma von Nespresso : eine Symphonie der Sinne.

Nutritio.

49(1), pp. 12-13.
Roberts, Deborah D.; Pollien, Philippe; Lindinger, Christian; Yeretzian, Chahan,

2003.

Nosespace analysis with proton-transfer reaction mass spectrometry : intra- and interpersonal variability.

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Delwiche, Jeannine, ed.,

Handbook of flavor characterization.

New York:

Dekker.

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Blank, Imre; Devaud, Stephanie; Matthey-Doret, Walther; Pollien, Philippe; Robert, Fabien; Yeretzian, Chahan,

2003.

Formation of odour-active compounds in maillard model systems based on proline[paper].

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Flavour research at the dawn of the twenty-first century.

10th Weurman Flavour Research Symposium, Beaune, 25-28 June 2002.

Paris:

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pp. 456-458.
Mayr, Dagmar; Maerk, Tilmann; Lindinger, Werner; Brevard, Hugues; Yeretzian, Chahan,

2003.

In-vivo analysis of banana aroma by proton-transfer-reaction mass-spectrometry[paper].

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Flavour research at the dawn of the twenty-first century.

10th Weurman Flavour Research Symposium, Beaune, 25-28 June 2002.

Paris:

Editions Tec & Doc.

pp. 256-259.
Graus, Martin; Yeretzian, Chahan; Jordan, Alfons; Lindinger, Werner,

2002.

In-mouth aroma : breath-by-breath analysis of nose space by PTR-MS while drinking coffee[paper].

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Contributions to the 13. Symposium on atomic and surface physics and related topics.

XIII. Symposium on Atomic and Surface Physics and Related Topics (SASP), Kitzbühel, 17-23 February 2002.

pp. 295-299.

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Zimmermann, Ralf; Heger, Hans Jörg; Dorfner, Ralph; Yeretzian, Chahan; Kettrup, Antonius; Boels, Ulrich,

1997.

On-line monitoring of food volatiles by laser ionization mass spectroscopy (REMPI_TOFMS) : first results for coffee, tea and cocoa[paper].

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UNIDO, United nations industrial development organisation.

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Yeretzian, Chahan,

1993.

Laser-desorption mass spectrometry and induced coalescence of fullerenes[paper].

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Lasers and Optics for Surface Analysis, Los Angeles, USA, 20-21 January 1993.

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SPIE.

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Eggenschwiler, Gaby; Yeretzian, Chahan,

1989.

Längsschnittliche Untersuchung zur Entwicklung des Liedersingens bei 2 Vorschulkindern.

Institut für Psychologie, Universität Bern.
Kappes, Manfred; Radi, P.; Schär, M.; Yeretzian, Chahan; Schuhmacher, E.,

1986.

Shell closings and geometric structure effects : a systematic approach to the interpretation of abundance distributions observed in photoionisation mass spectra for alkali cluster beams[paper].

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Available from: https://doi.org/10.1007/978-3-642-71571-6_3

Oral conference contributions and abstracts

Smrke, Samo; Lipp, Oliver; Wernli, Nicolas; Yeretzian, Chahan,

2024.

Fast-GC PTR-MS analysis of coffee VOCs.

In:

9th International PTR-MS Conference, Seefeld, Austria, 26-29 January 2024.
Smrke, Samo; Lipp, Oliver; Wernli, Nicolas; Yeretzian, Chahan,

2023.

Development of fast-GC PTR-MS method for coffee VOCs analysis.

In:

1st International Symposium on Direct Injection Food Flavour Analytics (DIFFA), San Michele all'Adige (TN), Italy, 20 - 22 September 2023.
El Khouri, Aviel; Smrke, Samo; Mistretta, Alexander; Opitz, Ed Wieland Sebastian; Yeretzian, Chahan,

2023.

Exploring unique coffee flavours of fermented high-end specialty coffee : towards the fourth wave coffee.

In:

American Chemical Society National Meeting: Crossroads of Chemistry (ACS Spring), Indianapolis, IN, USA and virtual, 26-30 March 2023.
Smrke, Samo; Rahn, Anja; Campos Zanin, Rodolfo; Yeretzian, Chahan,

2019.

PTR-MS sampling techniques for on-line coffee analysis.

In:

8th International Conference on Proton Transfer Reaction Mass Spectrometry and its Applications (PTRMS 2019) : Contributions.

PTRMS 2019, Innsbruck, Austria, 4-8 February 2019.

Innsbruck:

Innsbruck University Press.

Available from: https://www.uibk.ac.at/iup/buch_pdfs/9783903187467.pdf
Rahn, Anja; Smrke, Samo; Glöss, Alexia; Yeretzian, Chahan,

2018.

Coffee aroma : essential role of oxidative maillard reaction pathways.

In:

13th International Symposium of the Maillard Reaction (ISMR 13), Montreal, Canada, 10-13 September 2018.
Rahn, Anja; Smrke, Samo; Glöss, Alexia; Yeretzian, Chahan,

2018.

Coffee aroma : essential role of oxidative maillard reaction pathways.

In:

27th International Conference of the Association for the Science and Information on Coffee (ASIC), Portland, USA, 16-20 September 2018.
Kishigami, Mizue; Wellinger, Marco; Yeretzian, Chahan,

2018.

Filter coffee extraction : a time-resolved view and the influence of CO2.

In:

27th International Conference of the Association for the Science and Information on Coffee (ASIC), Portland, USA, 16-20 September 2018.
Yeretzian, Chahan,

2018.

Play with temperatures - scientific evidence (extracting coffee).

In:

Victoria Arduino - Champions' Hub, Belforte del Chienti, Italy, 8-9 May 2018.
Wellinger, Marco; Yeretzian, Chahan,

2018.

SCA water quality workshop.

In:

Specialty Coffee Expo 2018, Seattle, USA, 19-22 April 2018.
Eiermann, Andre; Guelat, Loic-Marco; Smrke, Samo; Wellinger, Marco; Yeretzian, Chahan,

2018.

Screening of parameters impacting capsule coffee extraction.

In:

27th International Conference of the Association for the Science and Information on Coffee (ASIC), Portland, USA, 16-20 September 2018.
Smrke, Samo; Rahn, Anja; Wellinger, Marco; Yeretzian, Chahan,

2018.

The impact of coffee roasting profile on freshness markers in coffee aroma : towards a universal method to quantify coffee freshness.

In:

13th International Symposium of the Maillard Reaction (ISMR 13), Montreal, Canada, 10-13 September 2018.
Smrke, Samo; Liu, Chujiao; Sturrock, Criag J.; Fisk, Ian; Yeretzian, Chahan,

2018.

The porous structure of the roasted coffee.

In:

27th International Conference of the Association for the Science and Information on Coffee (ASIC), Portland, USA, 16-20 September 2018.
Yeretzian, Chahan,

2017.

A scientist’s perspective of the coffee brewing chart : when science meets craft.

In:

1st International Conference “The Quality of Coffee: A Never-Ending Research”, Camerino, 30 November - 1 December 2017.
Yeretzian, Chahan; Smrke, Samo; Wellinger, Marco; Opitz, Sebastian,

2017.

Coffee roasting, blending before versus blending after roasting.

In:

World of Coffee 2017, Dublin, Irland, 20-23 June 2017.
Yeretzian, Chahan; Wellinger, Marco; Smrke, Samo; Opitz, Sebastian; Früh, Patrick; Sanchez-Lopez, Jose,

2017.

Extraction of coffee : exploring the impact temperature, pressure and water on extraction dynamics and sensory profiles.

In:

4th International Congress on «Cocoa, Coffee, Tea», Torino, Italy, 25-28 June 2017.
Suzuki, Tomonori; Smrke, Samo; Wellinger, Marco; Balsiger, Franz; Yeretzian, Chahan,

2016.

A novel gravimetric approach to measure the degassing of roasted coffee.

In:

26th International Conference of the Association for the Science and Information on Coffee (ASIC 2016), Kunming, China, 13-19 November 2016.
Smrke, Samo; Suzuki, Tomonori; Wellinger, Marco; Yeretzian, Chahan,

2016.

Degassing kinetics from whole roasted coffee beans and roast and ground coffee.

In:

26th International Conference of the Association for the Science and Information on Coffee (ASIC 2016), Kunming, China, 13-19 November 2016.
Sanchez Lopez, Jose; Wellinger, Marco; Gloess, Alexia; Zimmermann, Ralf; Yeretzian, Chahan,

2015.

Extraction kinetics of coffee aroma compounds during espresso extraction on a professional : on-line analysis by PTR-ToF-MS.

In:

3rd International Congress on «Cocoa, Coffee, Tea», Aveiro, Portugal, 22-24 June 2015.
Wellinger, Marco; Smrke, Samo; Balsiger, Franz; Yeretzian, Chahan,

2015.

Gravimetric analysis of degassing kinetics of freshly roasted and ground coffee.

In:

3rd International Congress on «Cocoa, Coffee, Tea», Aveiro, Portugal, 22-24 June 2015.
Glöss, Alexia; Schönbächler, Barbara; Sanchez Lopez, Jose; Zimmermann, Ralf; Bongers, Sandra; Koziorowski, Thomas; Yeretzian, Chahan,

2014.

Application of on-line analysis of coffee roasting with PTR-ToF-MS on industrial roasters : pros and cons.

In:

25th International Conference of the Association for the Science and Information on Coffee (ASIC), Armenia, Columbia, 8-13 September 2014.
Sanchez Lopez, Jose; Zimmermann, Ralf; Yeretzian, Chahan,

2014.

Application of photo-ionisation time-of-flight mass spectrometry for the studying of flavour compound formation in coffee roasting of bulk quantities and single beans.

In:

25th International Conference of the Association for the Science and Information on Coffee (ASIC), Armenia, Columbia, 8-13 September 2014.
Zimmermann, R.; Streibel, T.; Hertz-Schünemann, R.; Ehlert, S.; Schepler, C.S.; Yeretzian, Chahan; Howell, J.,

2014.

Extraction of espresso coffee : a time resolved analysis of the extraction dynamics of coffee aroma compounds by PTR-ToF-MS (Proton-Transfer-Reaction Time of Flight Mass-Spectrometry).

In:

25th International Conference of the Association for the Science and Information on Coffee (ASIC), Armenia, Columbia, 8-13 September 2014.
Yeretzian, Chahan,

2014.

The flavour of coffee.

In:

India International Coffee Festival 2014 (IICF), Bangalore, India, 21-25 January 2014.
Yeretzian, Chahan; Pasqual, Ederlinda; Goodman, Bernard,

2013.

Effects of O2 during various processing steps on free radical concentrations in hot aqueous extracts of roast & ground coffee and their changes during storage.

In:

Pure and Applied Chemistry International Conference 2013 (PACCON 2013), Bangsaen, Thailand, 23-25 January 2013.
Opitz, Sebastian; Smrke, Samo; Yeretzian, Chahan; Goodman, Bernard A.,

2013.

Modern approaches to determining quality criteria in coffee.

In:

2nd Annual World Congress of Food Science & Technology, Hangzhou, 23-25 September 2013.
Smrke, Samo; Opitz, Sebastian; Petrozzi, Sergio; Yeretzian, Chahan,

2012.

Characterization of coffee brews made from different roasting degrees of coffee using size exclusion chromatography and antioxidant assays.

In:

Fall Meeting of the Swiss Chemical Society, Zurich, 13 September 2012.
Schönbächler, Barbara; Glöss, Alexia; Chatelain, Karin; Yeretzian, Chahan,

2012.

How can we measure the freshness of coffee?.

In:

Fall Meeting of the Swiss Chemical Society, Zurich, 13 September 2012.
Schönbächler, Barbara; Glöss, Alexia; Rast, Markus; Deuber, Louis; Yeretzian, Chahan,

2012.

How do we measure the freshness of roasted coffee? : exploring freshness indices of whole and ground coffee.

In:

24th International Conference on Coffee Science, San José, Costa Rica, 12-16 November 2012.
Knöpfli Lengweiler, Kaja; Glöss, Alexia; Schönbächler, Barbara; Yeretzian, Chahan,

2012.

Monitoring indoor air quality.

In:

Fall Meeting of the Swiss Chemical Society, Zurich, 13 September 2012.
Glöss, Alexia; Vietri, Anita; Bongers, Sandra; Koziorowski, Thomas; Yeretzian, Chahan,

2012.

On-line Analysis of the coffee roasting process with PTR-ToF-MS : changes in flavor formation pathways for different coffee varieties.

In:

24th International Conference on Coffee Science, San José, Costa Rica, 12-16 November 2012.
Glöss, Alexia; Vietri, Anita; Bongers, Sandra; Koziorowski, Thomas; Yeretzian, Chahan,

2012.

On-line analysis of the coffee roasting process with PTR-ToF-MS : changes in flavor formation pathways for different coffee varieties.

In:

Fall Meeting of the Swiss Chemical Society, Zurich, 13 September 2012.
Wieland, Flurin; Glöss, Alexia; Keller, Marco; Schenker, Stefan; Yeretzian, Chahan,

2012.

Online monitoring of the roaster off-gas during coffee roasting using proton transfer reaction time-of-flight mass spectrometry (PTR-ToF-MS) : towards a real-time process control for a consistent roast profile.

In:

Fall Meeting of the Swiss Chemical Society, Zurich, 13 September 2012.
Yeretzian, Chahan; Gloess, Alexia N.; Wieland, Flurin; Zurfluh, Barbara,

2011.

Applications of PTR-ToF-MS on coffee.

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Contributions : 5th International Conference on Proton Transfer Reaction Mass Spectrometry and ist Applications.

5th International Conference on Proton Transfer Reaction Mass Spectrometry and ist Applications, Obergurgl, Austria, 26 January - 2 February 2011.

Innsbruck:

Innsbruck University Press.

pp. 129.
Gloess, Alexia; Yeretzian, Chahan; Vietri, Anita; Bongers, Sandra; Koziorowski, Thomas,

2011.

Process monitoring by PTR-ToF-MS : applications on profile roasting of coffee.

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Contributions : 5th International Conference on Proton Transfer Reaction Mass Spectrometry and ist Applications.

5th International Conference on Proton Transfer Reaction Mass Spectrometry and ist Applications, Obergurgl, Austria, 26 January - 2 February 2011.

Innsbruck:

Innsbruck University Press.

pp. 109.
Gloess, Alexia N.; D`Ambrosio, Lucio; Zurfluh-Schönbächler, Barbara; Klopprogge, Babette; Chatelain-Gerber, Karin; Bongartz, Annette; Strittmatter, André; Rast, Markus; Yeretzian, Chahan,

2010.

Effect of coffee extraction method on quality of coffee.

In:

Fall Meeting of the Swiss Chemical Society, Zurich, 16 September 2010.

Schweizerische Chemische Gesellschaft.

pp. 473.
Gloess, Alexia N.; Vietri, Anita; Bongers, Sandra; Koziorowski, Thomas; Yeretzian, Chahan,

2010.

Exploring the impact of the time-temperature roasting profile on the flavor of coffee.

In:

Fall Meeting of the Swiss Chemical Society, Zurich, 16 September 2010.
Wieland, Flurin; Gloess, Alexia N.; Yeretzian, Chahan,

2010.

Measuring partition coefficients of VOCs and their temperature dependence by dynamic stripping and proton-transfer reaction time-of-flight mass spectrometry.

In:

Fall Meeting of the Swiss Chemical Society, Zurich, 16 September 2010.
Wild, Andrea Fridolin; Gloess, Alexia N.; D'Ambrosio, Lucio; Rentsch, Hans; Rink, Adrian; Yeretzian, Chahan,

2010.

Nose-space analysis of coffee by on-line proton-transfer-reaction time-of-flight mass spectrometry (PTR-ToF-MS).

In:

Fall Meeting of the Swiss Chemical Society, Zurich, 16 September 2010.
Petrozzi, Sergio; D'Ambrosio, Lucio; Yeretzian, Chahan,

2010.

Rapid estimation of total polyphenols in coffee brews by flow injection analysis with colorimetric detection.

In:

Fall Meeting of the Swiss Chemical Society, Zurich, 16 September 2010.

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