About Procyanidin B1
About Proanthocyanidin B1
About (4β->8)-Procyanidin B1
About Epicatechin-(4β,8)-catechin
About Epicatechin-(4β->8)-catechin
About Catechin dimer PB-1
About biflavonoid
About polyol
About Poriol
About oxygen heterocyclic compound
About polyphenol