Figure 1.
The anthocyanin biosynthesis pathway and side branches. Chalcone synthase (CHS), chalcone isomerase (CHI), flavanone hydroxylase (F3H), flavonoid 3′ hydroxylase (F3′H), flavonoid 3′, 5′ hydroxylase (F3′5′H) dihydroflavanol-4-reductase (DFR), anthocyanin synthase (ANS), UDP 3-O-gylcosyltransferase (UDP-GST), flavanol synthase (FLS) and leucoanthocyanidin reductase (LAR).