Compound Summary

General Compound Information

procyanidin B3

Description
Procyanidin B3 is a proanthocyanidin consisting of two molecules of (+)-catechin joined by a bond between positions 4 and 8" in alpha-configuration. It can be found in red wine, in barley, in beer, in peach or in Jatropha macrantha, the Huanarpo Macho. It has a role as a metabolite, an antioxidant, an anti-inflammatory agent and an EC 2.3.1.48 (histone acetyltransferase) inhibitor. It is a hydroxyflavan, a proanthocyanidin, a biflavonoid and a polyphenol. It derives from a (+)-catechin.
Synonyms
Procyanidin B3;  23567-23-9;  Proanthocyanidin B3;  CHEBI:75630;  2TC1A0KEAQ;
FlavorDB ID
491
PUBCHEM ID
Molecular Weight
578.5
Molecular Formula
C30H26O12
Openeye Can 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
IUPAC Inchikey
XFZJEEAOWLFHDH-AVFWISQGSA-N
Compound Classification
  • ClassyFire Ontology
Compound Quality
CATEGORY QUALITY THRESHOLD OCCURENCE REFERENCE
taste astringent 2.000e+2 µmol/L red wine details
taste bitter 5.000e+2 µmol/L red wine details
Compound Toxicity and Food Additive Safety (OFAS)
Receptors
Receptor information of this compound is not available!
Consensus Spectra
Spectrum Type Spectrum View Description Polarity
Experimental LCMS view LCMS_Positive positive