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Structures of major phenolic and polyphenolic compounds with antifungal activity identified in different matrices of V. vinifera, (a) gallic acid, (b) quercetin, (c) caffeic acid, (d), resveratrol, (e) catechin, (f) pterostilbene, (g) epicatechin, (h) epigallocatechin-3-gallate, (i) malvidin-3-O-glucoside, (j) procyanidin B1, (k) procyanidin A2 and (l) procyanidin B2.
