procyanidin 0 594.13734 594.525 wikipedia.en:https://en.wikipedia.org/wiki/Procyanidin oligomeric compounds, formed from catechin and epicatechin molecules. They yield cyanidin when depolymerized under oxidative conditions. chebi_ontology HGVVOUNEGQIPMS-UHFFFAOYSA-N [H]Oc1c([H])c(O[H])c2c(c1[H])OC([H])(c1c([H])c([H])c(O[H])c(O[H])c1[H])C([H])(OC1(c3c([H])c([H])c(O[H])c(O[H])c3[H])Oc3c([H])c(O[H])c([H])c(O[H])c3C([H])(O[H])C1([H])O[H])C2([H])[H] CHEBI:166895 cas:4852-22-6 InChI=1S/C30H26O13/c31-14-7-19(35)16-11-25(28(41-23(16)9-14)12-1-3-17(33)20(36)5-12)43-30(13-2-4-18(34)21(37)6-13)29(40)27(39)26-22(38)8-15(32)10-24(26)42-30/h1-10,25,27-29,31-40H,11H2 C30H26O13 proanthocyanidin