has role has functional parent (+)-catechin antioxidant metabolite proanthocyanidin biflavonoid anti-inflammatory agent hydroxyflavan procyanidin B3 (2R,2'R,3S,3'S,4S)-2,2'-bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-2H,2'H-4,8'-bichromene-3,3',5,5',7,7'-hexol 578.52020 A proanthocyanidin consisting of two molecules of (+)-catechin joined by a bond between positions 4 and 8' in alpha-configuration. It can be found in red wine, in barley, in beer, in peach or in Jatropha macrantha, the Huanarpo Macho. C-(4a,8)-C C30H26O12 CAS:23567-23-9 CHEBI:75630 Catechin(4a->8)catechin Catechin-(4alpha->8)-catechin HMDB:HMDB33974 InChI=1S/C30H26O12/c31-13-7-20(37)24-23(8-13)41-29(12-2-4-16(33)19(36)6-12)27(40)26(24)25-21(38)10-17(34)14-9-22(39)28(42-30(14)25)11-1-3-15(32)18(35)5-11/h1-8,10,22,26-29,31-40H,9H2/t22-,26-,27-,28+,29+/m0/s1 KEGG:C10209 LIPID_MAPS_instance:LMPK12030003 O[C@H]1Cc2c(O)cc(O)c([C@H]3[C@H](O)[C@H](Oc4cc(O)cc(O)c34)c3ccc(O)c(O)c3)c2O[C@@H]1c1ccc(O)c(O)c1 PMID:20131846 PMID:20568787 PMID:20955177 PMID:21950419 PMID:22629448 PMID:22744145 PMID:22747497 PMID:22783976 PMID:22868163 PMID:23131027 PMID:23411286 PMID:23829187 PMID:23971434 Patent:KR20100129858 Patent:WO2010021935 Proanthocyanidin B3 Reaxys:3586582 Wikipedia:Procyanidin_B3 XFZJEEAOWLFHDH-AVFWISQGSA-N chebi_ontology EC 2.3.1.48 (histone acetyltransferase) inhibitor