Wine Chemistry and Biochemistry

440 M. Monagas and B. Bartolom ́e R 3 = -CO-CH -CO-CH=CH OH (-acetyl) (-p (-caffeoyl) H OH H OH +O O OH R 1 HO OH R 2 O OH OR 3 ...

9A Anthocyanins and Anthocyanin-Derived Compounds 441 varietal characterization (Roggero et al. 1986b; Ortega Meder et al. 1994; ...

442 M. Monagas and B. Bartolom ́e O OH HO OH +O OR OH R 1 HO R 2 OH OH +O OR OH R 1 HO OH R 2 +O OR OH R 1 HO OH R 2 O OH HO OH ...

9A Anthocyanins and Anthocyanin-Derived Compounds 443 structure/organoleptic properties (color and taste) relationship of the co ...

444 M. Monagas and B. Bartolom ́e Two different mechanisms have been postulated in order to explain the reactions of anthocyanin ...

9A Anthocyanins and Anthocyanin-Derived Compounds 445 Mechanism.Two different mechanisms have been proposed for this type of rea ...

446 M. Monagas and B. Bartolom ́e (+)-catechin and ethanol (Remy-Tanneau et al. 2003). Based on their resistance to thiolysis, i ...

9A Anthocyanins and Anthocyanin-Derived Compounds 447 Studies in model solution containing an anthocyanin and flavanol oligomers ...

448 M. Monagas and B. Bartolom ́e (Bakker et al. 1993; Garc ́ıa-Viguera et al. 1994; Escribano-Bail ́on et al. 1996; Es- Safi et ...

9A Anthocyanins and Anthocyanin-Derived Compounds 449 (Alcalde-Eon et al. 2004, 2006; Boido et al. 2006). Finally, evidence of ( ...

450 M. Monagas and B. Bartolom ́e hydroxycinnamic acid and the anthocyanin without enzymatic support (Fig. 9A.3f). The C-2 (nucl ...

9A Anthocyanins and Anthocyanin-Derived Compounds 451 acid/malvidin-3-glucoside since the concentration of caffeic acid remained ...

452 M. Monagas and B. Bartolom ́e was similar to that of their precursor in grapes. The concentration of malvidin-3- glucoside-b ...

9A Anthocyanins and Anthocyanin-Derived Compounds 453 Similarly, the entire series of anthocyanidin-3-glucosides and most of the ...

454 M. Monagas and B. Bartolom ́e (Asenstorfer et al. 2003). Similarly, malolactic fermentation can also affect the pro- duction ...

9A Anthocyanins and Anthocyanin-Derived Compounds 455 identified in Port wine fractions (Mateus et al. 2005). Similarly, the pig ...

456 M. Monagas and B. Bartolom ́e charcoal but that the adsorption mechanism is based on weak and reversible interac- tions. The ...

9A Anthocyanins and Anthocyanin-Derived Compounds 457 Asenstorfer, R.E., Markides, A.J., Iland, P.G., & Jones, G.P. (2003). ...

458 M. Monagas and B. Bartolom ́e Escribano-Bail ́on, T., Dangles, O., & Brouillard, R. (1996). Coupling reactions between f ...

9A Anthocyanins and Anthocyanin-Derived Compounds 459 Lee, D.F., Swinny, E.E., & Jones, G.P. (2004). NMR identification of e ...