【Product Name】  Procyanidin B2

【CAS Number】  29106-49-8

【Chemical Name】  2-(3,4-dihydroxyphenyl)-8-[(4R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-4-yl]-3,4-dihydro-2H-chromene-3,5,7-triol

【Smiles】  C1C(C(OC2=C1C(=CC(=C2C3C(C(OC4=CC(=CC(=C34)O)O)C5=CC(=C(C=C5)O)O)O)O)O)C6=CC(=C(C=C6)O)O)O

【Chemical Formula】  C30H26O12

【Molecular Weight】   578.52

【Chemotaxonomic Group】   Flavonoids

【Source】   1 Cinnamomum sp. 2 Crataegus sp. 3 Dryopteris sp. 4 Fragaria sp. 5 Harungana sp. 6 Hypericum sp. 7 Juniperus sp. 8 Malus sp. 9 Theobroma sp. 10 Tilia sp. 11 Vaccinium sp. 12 Vitis sp.