Wine Chemistry and Biochemistry

Chapter 8B Polyfunctional Thiol Compounds Denis Dubourdieu and Takatoshi Tominaga Contents 8B.1 Introduction.................... ...

276 D. Dubourdieu and T. Tominaga 8B.2 Volatile Thiols Involved in the Varietal Aromas of Wine Since the early 1990s, several hi ...

8B Polyfunctional Thiol Compound 277 Ta b l e 8 B. 1 Volatile thiols identified inVitis viniferawines LRI (BP20) Descriptor Form ...

278 D. Dubourdieu and T. Tominaga Ta b l e 8 B. 1 (continued) XII: 2-Methyl-3-sulfanylbutan-1-ol 1745 onion OH SH XIII: Benzenem ...

8B Polyfunctional Thiol Compound 279 Ta b l e 8 B. 3 Assay of volatile thiols (ng/L) in Sauvignon blanc wines from the same Bord ...

280 D. Dubourdieu and T. Tominaga Ta b l e 8 B. 4 Volatile thiol concentrations (ng/L) in wines made from several Vitis vinifera ...

8B Polyfunctional Thiol Compound 281 Ta b l e 8 B. 6Assay of volatile thiols (ng/L) at different stages in botrytizationyoung bo ...

282 D. Dubourdieu and T. Tominaga Ta b l e 8 B. 7Distribution of the two enantiomers of 3SH and 3SHA in dry white and sweet wine ...

8B Polyfunctional Thiol Compound 283 Ta b l e 8 B. 8Perception threshold and olfactory descriptors of the two enantiomers of 3SH ...

284 D. Dubourdieu and T. Tominaga Blanc” (Galet 1968). Benzenemethanethiol (XIII), a volatile thiol with a strong empyreumatic o ...

8B Polyfunctional Thiol Compound 285 0 5 10 15 20 25 30 35 40 45 New barrel Used barel Vat Sauvignon blanc Merlot, Cabernet 2FM ...

286 D. Dubourdieu and T. Tominaga 8B.5 Precursors of Volatile Thiols Derived from Cysteine Sauvignon blanc musts, like those of ...

8B Polyfunctional Thiol Compound 287 H 3 CCCH 2 C CH 3 CH 3 O S CH 2 CH COOH NH 2 H 3 CCCH 2 CH CH 3 CH 3 OH H 3 CCH 2 CH 2 CH C ...

288 D. Dubourdieu and T. Tominaga 0 200 400 600 800 1000 0h 3h 6h 14h 19h P-4MSP and P-4MSPOH 0 20000 40000 60000 80000 100000 1 ...

8B Polyfunctional Thiol Compound 289 0 100 200 300 400 0246810 0 0.5 1 1.5 2 2.5 nmol/L days S-3-(hexan-1-ol)- L-cysteine de gra ...

290 D. Dubourdieu and T. Tominaga Fig. 8B.12Proposed pathway for the conversion of glutathionylated “pro-precursor” into the cys ...

8B Polyfunctional Thiol Compound 291 Bouchilloux P., Darriet P., & Dubourdieu D. (1998b). Identification d’un thiol fortemen ...

292 D. Dubourdieu and T. Tominaga Murat, M.L., Tominaga, T., & Dubourdieu, D. (2001b). Assessing the aromatic potential of C ...

8B Polyfunctional Thiol Compound 293 Tominaga, T., & Dubourdieu, D. (2000). Identification of cysteinylated aroma precursors ...

Chapter 8C Volatile Compounds and Wine Aging M. Soledad Perez-Coello and M. Consuelo D ́ ́ ıaz-Maroto Contents 8C.1 Introduction ...