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. 2020 Jun 11;21(11):4167. doi: 10.3390/ijms21114167

Figure 8.

Figure 8

Catechin biosynthesis pathway. Proposed pathway of biosynthesis derived from the literature [32]. PAL, phenylalanine ammonia-lyase; C4H, cinnamic acid hydroxylase; 4CL, coumadin CoA ligase; CHS, chalcone synthase; CHI, chalcone isomerase; F3H, flavonoid 3-hydroxylase; F3′H, flavonoid 3′-hydroxylase; F3′5′H, flavonoid 3′ 5′-hydroxylase; DRF, dihydroflavonol 4-reductase; LAR, leucoanthocyanidin reductase; UFGT, UDP glucose-flavonoid 3-o-glcosyl-transferase, and SCPL1A, type 1A serine carboxypeptidase-like acyltransferases.