Record Information
Version1.0
Creation date2018-05-02 12:53:13 UTC
Update date2018-05-04 14:13:38 UTC
FoodComEx IDPC001218
FoodDB RecordFDB012204
Chemical Information
NameProcyanidin B2
DescriptionPresent in red wine. Procyanidin B2 is found in many foods, some of which are alcoholic beverages, sherry, bilberry, and yellow zucchini.
CAS Number29106-49-8
Structure
Thumb
Synonyms
SynonymSource
(+)-Procyanidin B2biospider
2,3-cis-Proanthocyanidinbiospider
cis,cis"-4,8"-Bi(3,3',4',5,7-pentahydroxyflavane)biospider
EC-(4b,8)-ECdb_source
Epicathechin-(4b->8)-epicathechinGenerator
Epicathechin-(4beta->8)-epicathechinbiospider
Epicathechin-(4β->8)-epicathechinGenerator
Proanthocyanidin B2db_source
Procyanidin B2db_source
Procyanidin dimer B2manual
Procyanidol B2biospider
Chemical FormulaC30H26O12
IUPAC name(2R,3R)-2-(3,4-dihydroxyphenyl)-8-[(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-3,4-dihydro-2H-1-benzopyran-3,5,7-triol
InChI IdentifierInChI=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
InChI KeyXFZJEEAOWLFHDH-NFJBMHMQSA-N
Isomeric SMILES[H][C@]1([C@@H](O)[C@H](OC2=CC(O)=CC(O)=C12)C1=CC(O)=C(O)C=C1)C1=C(O)C=C(O)C2=C1O[C@@H]([C@H](O)C2)C1=CC(O)=C(O)C=C1
Average Molecular Weight578.526
Monoisotopic Molecular Weight578.142426277
Chemical Taxonomy
DescriptionThis compound belongs to the class of organic compounds known as biflavonoids and polyflavonoids. These are organic compounds containing at least two flavan/flavone units. These units are usually linked through CC or C-O-C bonds. Some examples include C2-O-C3, C2-O-C4, C3'-C3''', and C6-C8''.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassFlavonoids
Sub ClassBiflavonoids and polyflavonoids
Direct ParentBiflavonoids and polyflavonoids
Alternative Parents
Substituents
  • B-type proanthocyanidin
  • Bi- and polyflavonoid skeleton
  • Proanthocyanidin
  • Catechin
  • Flavan-3-ol
  • Hydroxyflavonoid
  • 3'-hydroxyflavonoid
  • 7-hydroxyflavonoid
  • 5-hydroxyflavonoid
  • 4'-hydroxyflavonoid
  • 3-hydroxyflavonoid
  • Flavan
  • Chromane
  • 1-benzopyran
  • Benzopyran
  • Catechol
  • Phenol
  • 1-hydroxy-2-unsubstituted benzenoid
  • Alkyl aryl ether
  • 1-hydroxy-4-unsubstituted benzenoid
  • Benzenoid
  • Monocyclic benzene moiety
  • Secondary alcohol
  • Polyol
  • Organoheterocyclic compound
  • Oxacycle
  • Ether
  • Hydrocarbon derivative
  • Alcohol
  • Organic oxygen compound
  • Organooxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Physico-Chemical Properties - Experimental
PropertyValueReference
Experimental logPNot Available
Experimental Water SolubilityNot Available
Melting PointNot Available
Foods of Origin
FoodContent Range AverageReference
FoodReference
Production Data
Production Methodcommercial
Production Method ReferenceNot Available
Production Method Reference FileNot Available
Quantity Available1 to 2 mg
Delivery Time2 weeks
Storage Formpowder
Storage Conditions4°C
StabilityNot Available
Purityunknown
Spectra
Spectral Data Upon RequestNot Available
Provider Information
Contact NameContact InstitutionContact Email
Augustin ScalbertInternational Agency for Research on Cancer (IARC), Biomarkers Group, 150 cours Albert Thomas, Lyon, FR, 69372scalberta@iarc.fr
Commercial Vendors
AKSci X1212
Cayman Chemical 19865
Glentham GL5110
Toronto Research Chemicals P755830