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procyanidin B2 |
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CHEBI:75632 |
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A proanthocyanidin consisting of two molecules of (−)-epicatechin joined by a bond between positions 4 and 8' in a β-configuration. Procyanidin B2 can be found in Cinchona pubescens (Chinchona, in the rind, bark and cortex), in Cinnamomum verum (Ceylon cinnamon, in the rind, bark and cortex), in Crataegus monogyna (Common hawthorn, in the flower and blossom), in Uncaria guianensis (Cat's claw, in the root), in Vitis vinifera (Common grape vine, in the leaf), in Litchi chinensis (litchi, in the pericarp), in the apple, in Ecdysanthera utilis and in red wine. |
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This entity has been manually annotated by the ChEBI Team.
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Molfile
XML
SDF
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InChI=1S/C30H26O12/c31-13-7-20(37)24-23(8-13)41-29(12-2-4-16(33)19(36)6-12)27(40)26(24)25-21(38)10-17(34)14-9-22(39)28(42-30(14)25)11-1-3-15(32)18(35)5-11/h1-8,10,22,26-29,31-40H,9H2/t22-,26-,27-,28-,29-/m1/s1 |
XFZJEEAOWLFHDH-NFJBMHMQSA-N |
O[C@@H]1Cc2c(O)cc(O)c([C@@H]3[C@@H](O)[C@H](Oc4cc(O)cc(O)c34)c3ccc(O)c(O)c3)c2O[C@@H]1c1ccc(O)c(O)c1 |
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antioxidant
A substance that opposes oxidation or inhibits reactions brought about by dioxygen or peroxides.
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metabolite
Any intermediate or product resulting from metabolism. The term 'metabolite' subsumes the classes commonly known as primary and secondary metabolites.
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astringent
A compound that causes the contraction of body tissues, typically used to reduce bleeding from minor abrasions.
(via tannin )
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View more via ChEBI Ontology
(2R,2'R,3R,3'R,4R)-2,2'-bis(3,4-dihydroxyphenyl)-3,3',4,4'-tetrahydro-2H,2'H-4,8'-bichromene-3,3',5,5',7,7'-hexol
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EC-(4b,8)-EC
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HMDB
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Epicathechin-(4β→8)-epicathechin
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HMDB
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Proanthocyanidin B2
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HMDB
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Procyanidol B2
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KEGG COMPOUND
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1279736
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Reaxys Registry Number
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Reaxys
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29106-49-8
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CAS Registry Number
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KEGG COMPOUND
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29106-49-8
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CAS Registry Number
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ChemIDplus
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22042007
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PubMed citation
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Europe PMC
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23250807
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