Wine Chemistry and Biochemistry

8A Wine Aroma Precursors 255 threshold, and as it always occurs in wine with 4-vinylphenol, it is rarely perceived positively (C ...

256 R. Baumes (berry set) until v ́eraison, then it favors their degradation into C13-norisoprenoidic compounds, from v ́eraison ...

8A Wine Aroma Precursors 257 degradations by chemical, photochemical or coupled to oxidases (lipoxygenase, polyphenoloxidase, xa ...

258 R. Baumes but monoterpenoids are also abundant as free compounds in Muscat and some other aromatic cultivars only. As a lot ...

8A Wine Aroma Precursors 259 et al. 1992; Voirin 1990; Winterhalter 1993). It is an acido-catalyzed process, which involves hydr ...

260 R. Baumes be present at high levels (5–10 mM) in the corresponding must and wine, which completely inhibits -glucosidases, a ...

8A Wine Aroma Precursors 261 Fig. 8A.6S-(L-Cysteine) conjugates occurring in grape, precursors of varietal thiols 4-Mercapto-4-m ...

262 R. Baumes ac3MH levels in wines range from sub olfactive threshold values, sometimes below the analytical limit of quantific ...

8A Wine Aroma Precursors 263 although its hydrate is a wine constituent (Schneider 2001; Escudero et al. 2002). Similar pathways ...

264 R. Baumes is generally associated with other volatile sulfur compounds eliciting such off-odors (Park et al. 1994). In contr ...

8A Wine Aroma Precursors 265 However, the PDMS levels of the young wines were always lower than those of the corresponding musts ...

266 R. Baumes Bayonove, C. (1998). L’ar ˆome vari ́etal: le potentiel aromatique du raisin. In: C. Flanzy (Ed.), Oenologie: fond ...

8A Wine Aroma Precursors 267 Cox, A., Skouroumounis, G.K., Elsey, G.M., Perkins, M. V., & Sefton, M. A. (2005). Generation o ...

268 R. Baumes Enzell, C. (1985). Biodegradation of carotenoids – an important route to aroma compounds.Pure Appl. Chem., 57, 693 ...

8A Wine Aroma Precursors 269 G ̈unata, Z., Biron, C., Sapis, J.C., & Bayonove, C. (1989b). Glycosidaseactivities in sound an ...

270 R. Baumes Lestremau, F., Andersson, F.A., Desauziers, V., & Fanlo, J.L. (2003). Evaluation of Solid-Phase Microextractio ...

8A Wine Aroma Precursors 271 Peyrot des Gachons, C., Tominaga, T., & Dubourdieu, D. (2002a). Localization of S-cysteine conj ...

272 R. Baumes Schneider, R., Charrier, F., Moutounet, M., & Baumes, R. (2005). Rapid analysis of grape aroma glycoconjugates ...

8A Wine Aroma Precursors 273 Talou, T., Delmas, M., & Gaset, A. (1987). Principal constituents of black truffle (Tuber melan ...

274 R. Baumes Wakabayashi, H., Wakabayashi, M., Eisenreich, W., & Engel, K.H. (2004). Stereochemical course of the generatio ...