The molecule is a proanthocyanidin consisting of (+)-gallocatechin and (+)-catechin units joined by a (4beta->8)-linkage. It has a role as a metabolite. It is a hydroxyflavan, a proanthocyanidin, a polyphenol and a biflavonoid. It derives from a (+)-gallocatechin and a (+)-catechin.
(2R,3S)-2-(3,4-dihydroxyphenyl)-8-[(2R,3S,4R)-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-4-yl]-3,4-dihydro-2H-chromene-3,5,7-triol