Procyanidin B7

Abstract

Procyanidins are proanthocyanidins formed from (+) catechin and (-) epicatechin. Procyanidins can be categorized into A-type and B-type, depending on the nature of the interflavan bonds. B-type procyanidins have a single interflavan bond. A-type procyanidins have not only one interflavan bond, but also a second interflavanoid bond. The four most common B- type procyanidin dimers are B1, B2, B3, and B4, which contain C4→C8 interflavan linkages. B-type procyanidin dimers B5, B6, B7, and B8 contain C4→C6 interflavan linkages. Procyanidin B7 (CAS 12798-59-3) is an epicatechin-(4β→6)-catechin dimer. It is commonly isolated from chokeberry, apples, and peanut skins.

Research has shown that Procyanidin B7 exhibited antioxidant protection of low density lipoproteins. You can find additional procyanidin reference standards here.

Categories: Peanut Skin PACs, Procyanidins (PACs)

Compound Details

CAS	12798-59-3
Molecular Weight	578.52
Chemical Formula	C30H26O12
IUPAC	(2R,3S)-2-(3,4-dihydroxyphenyl)-6-[(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
Synonyms	Procyanidin B-7
SMILES	C1C(C(OC2=C1C(=C(C(=C2)O)C3C(C(OC4=CC(=CC(=C34)O)O)C5=CC(=C(C=C5)O)O)O)O)C6=CC(=C(C=C6)O)O)O
Purity	95%+
Storage Temperature	Below -18 degrees C
Storage Conditions	Dry, freezer

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