Wine Chemistry and Biochemistry

480 N. Terrier et al. R, R’, R1, R2 as in Figure 3 R3 = OH, OCH 3 R4 = H,OH,OCH 3 R5 = O-Glc, O-acetylGlc, O-p-coumaroylGlc O R2 ...

9B Flavanols, Flavonols and Dihydroflavonols 481 process, first described by Haslam (1980), the average DP of proanthocyanidins ...

482 N. Terrier et al. 9B.3.3.2 Reactions Involving Aldehydes Precursors Various aldehydes are encountered inwine. The most abund ...

9B Flavanols, Flavonols and Dihydroflavonols 483 Evidence in Wine A number of flavanol-methylmethine-anthocyanins have been dete ...

484 N. Terrier et al. Reaction Mechanism Quinones are electrophilic species whichcan thus add various nucleophiles, includ- ing ...

9B Flavanols, Flavonols and Dihydroflavonols 485 reactions. Indeed, aeration of musts induced losses of flavanols and compensate ...

486 N. Terrier et al. Evidence in Wine A-type bound anthocyanin-flavanols were detected in wine as dimers and as larger oligomer ...

9B Flavanols, Flavonols and Dihydroflavonols 487 hydrogen bonding, which is a non covalent bond arising mainly from per- manen ...

488 N. Terrier et al. Evidence in Wine Copigmentation in wine is estimated from the effect of dilution on the absorbance values ...

9B Flavanols, Flavonols and Dihydroflavonols 489 Interaction Mechanisms Van der Waals interactions between similar entities in a ...

490 N. Terrier et al. 9B.4.3 Flavonoid Interactions with Other Macromolecules 9B.4.3.1 Interactions with Proteins Interactions b ...

9B Flavanols, Flavonols and Dihydroflavonols 491 (Poncet-Legrand et al. 2006) and human salivary PRP (Pascal et al. 2007) occurs ...

492 N. Terrier et al. flavanol monomers with proteins follows the same order as their partition coeffi- cients between octanol a ...

9B Flavanols, Flavonols and Dihydroflavonols 493 However, at higher doses, it can lead to instability and haze development (Sauc ...

494 N. Terrier et al. 9B.4.4 Flavonoid Adsorption on Solid Material 9B.4.4.1 Adsorption on Plant and Yeast Cell Walls Actors Pla ...

9B Flavanols, Flavonols and Dihydroflavonols 495 Factors Affecting the Interaction Phenolic acids and flavanol monomers do not a ...

496 N. Terrier et al. The mechanisms of microfiltration membrane fouling were investigated in wine and model solutions (Vernhet ...

9B Flavanols, Flavonols and Dihydroflavonols 497 Atanasova, V., Fulcrand, H., Le Guerneve, C., Cheynier, V., & Moutounet, M. ...

498 N. Terrier et al. Brouillard, R., & Dangles, O. (1994). Anthocyanin molecular interactions : the first step in the forma ...

9B Flavanols, Flavonols and Dihydroflavonols 499 Cheynier, V., Es-Safi, N.-E., & Fulcrand, H. (1999a). Structure and colour ...