Review Article

Recent Applications of Mass Spectrometry in the Study of Grape and Wine Polyphenols

Figure 19

Possible structures proposed for the M+ species at 1273: (a) (E)C-MvG-Mv+G trimer in flavene-flavylium form (B-type linkage) and (b) (E)C-MvG-Mv+G trimer in flavan-flavylium form (A-type linkage) [60].
813563.fig.0019a
(a)
813563.fig.0019b
(b)