Wine Chemistry and Biochemistry

4 Enzymes in Winemaking 111 R’ R a-L-Arabinofuranosyl- b-D-Apiofuranosyl- a-L-Rhamnopyranosyl- b-D-Glucopyranoside Aliphatics Mo ...

112 M. Ugliano Due to the occurrence of different chemical structures within the pool of grape glycosides, the complete enzymati ...

4 Enzymes in Winemaking 113 of great controversy for many years. Early studies had indicated thatS. cerevisiae possess -glucosid ...

114 M. Ugliano Linalool oxides Linalool α- Terpineol Citronellol Geraniol Hotrienol 3-Oxo-α- ionol Vol atile com po un d rele as ...

4 Enzymes in Winemaking 115 Although genetic engineering techniques have the potential to generate yeasts with enhanced ability ...

116 M. Ugliano 4.6.1.3 Exogenous Glycosidases Due to the limited glycosidase activities associated with grape, yeast, and bacte- ...

4 Enzymes in Winemaking 117 the monoterpene alcohol geraniol and its glucoside, both identified in wine, can both act as precurs ...

118 M. Ugliano quickly (Fig. 4.6b) (Skouroumounis et al. 1993). These observations were con- firmed in a study on -damascenone i ...

4 Enzymes in Winemaking 119 formed through a two step mechanism involving liberation of 3-MH from cystein- S-conjugates by the y ...

120 M. Ugliano due to the bifunctional nature of this enzyme, being involved in both formation and hydrolysis of fatty acid este ...

4 Enzymes in Winemaking 121 Developments of successful tools for the control of enzymatic reactions during winemaking, regardles ...

122 M. Ugliano Darriet, P., Boidron, J. N. & Dubourdieu, D. (1988). L’hydrolyse des h ́et ́erosides terp ́eniques du Muscat ...

4 Enzymes in Winemaking 123 Gil, J.V. & Valles, S. (2001). Effect of macerating enzymes on red wine aroma at laboratory scal ...

124 M. Ugliano Lilly, M., Bauer, F.F., Lambrechts, M.G., Swiegers, J.H., Cozzolino, D. & Pretorius, I.S. (2006a). The effect ...

4 Enzymes in Winemaking 125 Salgues, M., Cheynier, V., G ̈unata, Z. & Wylde, R. (1986). Oxidation of grape juice 2-S-glutath ...

126 M. Ugliano Van Rensburg, P., T. Stidwell, M.G. Lambrechts, R.R. Cordero Otero & I.S. Pretorius. (2005). Development and ...

Chapter 5 Use of Enological Additives for Colloid and Tartrate Salt Stabilization in White Wines and for Improvement of Sparklin ...

128 R. Marchal and P. Jeandet sedimentation, centrifugation and clarification with continuous alluviation filters do not protect ...

5 Use of Enological Additives for Colloid and Tartrate Salt Stabilization 129 Fining is one of the least expensive operations in ...

130 R. Marchal and P. Jeandet French town (Montmorillon) where it was first discovered. In the USA, bentonite is principally min ...