AGFDWednesday, August 22, 2007

8:00 AM-11:05 AM BCEC -- 257A, Oral
Thermal Generation of Flavors and Off-flavors
Precursors and Model Reactions
Organizer:Robert J. McGorrin
Officials:Sree Raghavan
Chi Tang Ho
8:00 AMIntroductory Remarks
8:05 AMMolecular studies on the storage-induced degradation of odor-active thiols in coffee beverages
Christoph Müller, Thomas Hofmann
8:25 AMFree amino acids and dipeptides in meat as precursors of thermally generated aroma
M. J. Oruna-Concha, Donald. S. Mottram
8:45 AMPrecursors of flavor formation in meat and yeast extract
Linda J Farmer, Michel Aliani, Kritika Mahadevan, Terence DJ Hagan, John T Kennedy
9:05 AMImportance of sulfur amino acids in the formation of aroma volatiles in cooked salmon
L Methven, Donald. S. Mottram
9:25 AMIntermission
9:45 AMFormation of volatile components from the thermal interactions of theanine with reducing sugars
Se Young Kim, Young-Suk Kim
10:05 AMIdentification of key thermally-derived odorants in cooked chicken liver
Shondra Cook, Keith Cadwallader, Hun Kim
10:25 AMThermal generation of tomato flavor compounds
Mathias Sucan, Gerald F. Russell
10:45 AMThermal generation of volatile compounds from reactions of cysteine, N-acetylcysteine or S-methylcysteine with glucose or pyruvaldehyde
Yu Wang, Sree Raghavan, Chi-Tang Ho

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The 234th ACS National Meeting, Boston, MA, August 19-23, 2007