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1. Odor intensity measurements in gas chromatography-olfactometry using cross modality matching : evaluation of training effects

Author

D. Langlois, C. Salles, M. Bouchet, P. Etiévant, G. Callement, FLAveur, VIsion et Comportement du consommateur (FLAVIC), Etablissement National d'Enseignement Supérieur Agronomique de Dijon (ENESAD)-Institut National de la Recherche Agronomique (INRA)-Université de Bourgogne (UB), and ProdInra, Migration

Subjects
0106 biological sciences, Matching (statistics), Cross modality, Computer science, business.industry, [SPI.GPROC] Engineering Sciences [physics]/Chemical and Process Engineering, 04 agricultural and veterinary sciences, [SDV.IDA] Life Sciences [q-bio]/Food engineering, 040401 food science, 01 natural sciences, 3. Good health, Intensity (physics), 0404 agricultural biotechnology, Odor, 010608 biotechnology, Olfactometry, [SDV.IDA]Life Sciences [q-bio]/Food engineering, INTENSITE, Computer vision, [SPI.GPROC]Engineering Sciences [physics]/Chemical and Process Engineering, Gas chromatography, Artificial intelligence, business, ComputingMilieux_MISCELLANEOUS, APPARIEMENT CROSS-MODAL
Abstract

International audience

Published
1999

2. Gas Chromatography-Olfactometry

Author

JANE V. LELAND, A. R. Mayol, T. E. Acree, Hisakatsu Iwabuchi, Yuriko Imayoshi, Yasue Yoshida, Hiroshi Saeki, Peter Schieberle, Martin Steinhaus, A. Buettner, P. Schieberle, Martin Preininger, Frank Ullrich, Mercedes G. López, Jean Pierre Dufour, Russell Rouseff, Prashanthi Jella, Rusty Bazemore, Jing-jing Yang, S. Grant Wyllie, Kerry-Ann Merry, David N. Leach, M. G. Chisholm, M. A. Wilson, G. M. Gaskey, J. A. Jell, D. M. Cass, John Conner, Kenneth Reid, Graeme Richardson, Jean-Pierre Dufour, P. Delbecq, L. Perez Albela, W. Grosch, R. Kerscher, J. Kubickova, T. Jagella, Jane E. Friedrich, Terry E. Acree, Edward H. Lavin, Valérie Audouin, Florence Bonnet, Zata M. Vickers, Gary A. Reineccius, G. Callement, M. Bouchet, D. Langlois, P. Etiévant, C. Salles, Keith R. Cadwallader, Jeong Heo, JANE V. LELAND, A. R. Mayol, T. E. Acree, Hisakatsu Iwabuchi, Yuriko Imayoshi, Yasue Yoshida, Hiroshi Saeki, Peter Schieberle, Martin Steinhaus, A. Buettner, P. Schieberle, Martin Preininger, Frank Ullrich, Mercedes G. López, Jean Pierre Dufour, Russell Rouseff, Prashanthi Jella, Rusty Bazemore, Jing-jing Yang, S. Grant Wyllie, Kerry-Ann Merry, David N. Leach, M. G. Chisholm, M. A. Wilson, G. M. Gaskey, J. A. Jell, D. M. Cass, John Conner, Kenneth Reid, Graeme Richardson, Jean-Pierre Dufour, P. Delbecq, L. Perez Albela, W. Grosch, R. Kerscher, J. Kubickova, T. Jagella, Jane E. Friedrich, Terry E. Acree, Edward H. Lavin, Valérie Audouin, Florence Bonnet, Zata M. Vickers, Gary A. Reineccius, G. Callement, M. Bouchet, D. Langlois, P. Etiévant, C. Salles, Keith R. Cadwallader, and Jeong Heo

Subjects
Gas chromatography--Congresses, Olfactometry--Congresses
Published
2001

3. Odor intensity evaluation in gas chromatography-olfactometry by finger span method.

Author

Etiévant PX, Callement G, Langlois D, Issanchou S, and Coquibus N

Subjects
Adult, Chromatography, Gas methods, Humans, Middle Aged, Reproducibility of Results, Sensory Thresholds, Butyrates, Odorants analysis, Smell
Abstract

This paper describes the potential of evaluating odor intensities in a gas chromatographic effluent by cross-modality matching with the finger span (GC-O-FSCM). A simple prototype is described that allows the precise measurement and acquisition of the distance between the thumb and another finger during the analysis. The stimulation of panelists at the sniffing port with ethyl butyrate shows a log-log relation between peak height values obtained from finger span and stimulus concentrations. It also shows that all panelists are able to perform this task but with different precision, which is used to select them. A triplicate evaluation by GC-O-FSCM of the intensity of flavor constituents in synthetic solutions shows that a four-member panel is perfectly able to determine most of the characteristics of the solutions and to create a finger span multidimensional space highly correlated with the theoretical intensity space.

Published
1999
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