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