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Schematic representation of flavonoid pathway in plants. ANR, anthocyanidin reductase; ANS, anthocyanidin synthase; DFR, dihydroflavonol 4-reductase; F3H, flavonoid-3′ hydroxylase; FLS, flavonole synthase; FNS, flavone synthase; GT, glucosyltransferase; LAR, leucoanthocyanidin reductase.
