The molecule is a proanthocyanidin obtained by the condensation of (-)-epicatechin units. It has a role as an antioxidant, an anti-HIV agent, a metabolite and an angiogenesis modulating agent. It is a hydroxyflavan and a proanthocyanidin. It derives from a (-)-epicatechin.
(1R,5R,6R,13S,21R)-5,13-bis(3,4-dihydroxyphenyl)-4,12,14-trioxapentacyclo[11.7.1.02,11.03,8.015,20]henicosa-2(11),3(8),9,15,17,19-hexaene-6,9,17,19,21-pentol