CHEBI:75619 - procyanidin B6

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ChEBI Name procyanidin B6
ChEBI ID CHEBI:75619
Definition A proanthocyanidin consisting of two molecules of (+)-catechin joined by a bond between positions 4 and 6' in α-configuration. Procyanidin B6 is isolated from leaves and fruit of cowberry Vaccinium vitis-idaea and other plants. It can also be found in grape seeds and in beer.
Stars This entity has been manually annotated by the ChEBI Team.
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Formula C30H26O12
Net Charge 0
Average Mass 578.52020
Monoisotopic Mass 578.14243
InChI InChI=1S/C30H26O12/c31-13-7-19(36)24-23(8-13)42-30(12-2-4-16(33)18(35)6-12)28(40)26(24)25-20(37)10-22-14(27(25)39)9-21(38)29(41-22)11-1-3-15(32)17(34)5-11/h1-8,10,21,26,28-40H,9H2/t21-,26-,28-,29+,30+/m0/s1
InChIKey GMISZFQPFDAPGI-ZBRHZRBFSA-N
SMILES O[C@H]1Cc2c(O[C@@H]1c1ccc(O)c(O)c1)cc(O)c([C@H]1[C@H](O)[C@H](Oc3cc(O)cc(O)c13)c1ccc(O)c(O)c1)c2O
Roles Classification
Biological Role(s): metabolite
Any intermediate or product resulting from metabolism. The term 'metabolite' subsumes the classes commonly known as primary and secondary metabolites.
Application(s): astringent
A compound that causes the contraction of body tissues, typically used to reduce bleeding from minor abrasions.
(via tannin )
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ChEBI Ontology
Outgoing procyanidin B6 (CHEBI:75619) has functional parent (+)-catechin (CHEBI:15600)
procyanidin B6 (CHEBI:75619) has role metabolite (CHEBI:25212)
procyanidin B6 (CHEBI:75619) is a biflavonoid (CHEBI:50128)
procyanidin B6 (CHEBI:75619) is a hydroxyflavan (CHEBI:72010)
procyanidin B6 (CHEBI:75619) is a proanthocyanidin (CHEBI:26267)
IUPAC Name
(2R,2'R,3S,3'S,4R)-2,2'-bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-2H,2'H-4,6'-bichromene-3,3',5,5',7,7'-hexol
Synonyms Sources
C-(4,6)-C HMDB
Catechin(4a→6)catechin HMDB
Catechin-(4α→6)-catechin HMDB
Procyanidin dimer B6 HMDB
Manual Xrefs Databases
HMDB0038367 HMDB
Procyanidin_B6 Wikipedia
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Registry Number Type Source
3586527 Reaxys Registry Number Reaxys
Citation Waiting for Citations Type Source
23625307 PubMed citation Europe PMC
Last Modified
22 November 2013