Proanthocyanidins
Synonyms
Anthocyanidin Polymers
Condensed Tannin
Condensed Tannins
Polymers, Anthocyanidin
Procyanidins
Tannin, Condensed
Tannins, Condensed
Dimers and oligomers of flavan-3-ol units (CATECHIN analogs) linked mainly through C4 to C8 bonds to leucoanthocyanidins. They are structurally similar to ANTHOCYANINS but are the result of a different fork in biosynthetic pathways.