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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 17:39:10 UTC
Update Date2022-03-07 02:52:42 UTC
HMDB IDHMDB0030808
Secondary Accession Numbers
  • HMDB30808
Metabolite Identification
Common NamePinocembrin
Description(S)-Pinocembrin, also known as dihydrochrysin, belongs to the class of organic compounds known as flavanones. Flavanones are compounds containing a flavan-3-one moiety, with a structure characterized by a 2-phenyl-3,4-dihydro-2H-1-benzopyran bearing a ketone at the carbon C3. Thus, (S)-pinocembrin is considered to be a flavonoid lipid molecule (S)-Pinocembrin is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. Outside of the human body, (S)-Pinocembrin is found, on average, in the highest concentration within mexican oregano (S)-Pinocembrin has also been detected, but not quantified in, pine nuts and prunus (cherry, plum). This could make (S)-pinocembrin a potential biomarker for the consumption of these foods. A dihydroxyflavanone in which the two hydroxy groups are located at positions 5 and 7.
Structure
Thumb
Synonyms
ValueSource
(2S)-PinocembrinChEBI
(S)-2,3-Dihydro-5,7-dihydroxy-2-phenyl-4H-1-benzopyran-4-oneChEBI
(S)-5,7-DihydroxyflavanoneChEBI
5,7-DihydroxyflavanoneChEBI
DihydrochrysinChEBI
Galangin flavanoneChEBI
PinocembrineMeSH, HMDB
(S)-PinocembrinChEBI
(+)-PinocoembrinMeSH
(+)-PinocembrinPhytoBank
Chemical FormulaC15H12O4
Average Molecular Weight256.2534
Monoisotopic Molecular Weight256.073558872
IUPAC Name(2S)-5,7-dihydroxy-2-phenyl-3,4-dihydro-2H-1-benzopyran-4-one
Traditional Namepinocembrin
CAS Registry Number480-39-7
SMILES
OC1=CC(O)=C2C(=O)C[C@H](OC2=C1)C1=CC=CC=C1
InChI Identifier
InChI=1S/C15H12O4/c16-10-6-11(17)15-12(18)8-13(19-14(15)7-10)9-4-2-1-3-5-9/h1-7,13,16-17H,8H2/t13-/m0/s1
InChI KeyURFCJEUYXNAHFI-ZDUSSCGKSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as flavanones. Flavanones are compounds containing a flavan-3-one moiety, with a structure characterized by a 2-phenyl-3,4-dihydro-2H-1-benzopyran bearing a ketone at the carbon C3.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassFlavonoids
Sub ClassFlavans
Direct ParentFlavanones
Alternative Parents
Substituents
  • Flavanone
  • 5-hydroxyflavonoid
  • 7-hydroxyflavonoid
  • Hydroxyflavonoid
  • Chromone
  • Benzopyran
  • Chromane
  • 1-benzopyran
  • Aryl ketone
  • Aryl alkyl ketone
  • Alkyl aryl ether
  • 1-hydroxy-4-unsubstituted benzenoid
  • 1-hydroxy-2-unsubstituted benzenoid
  • Benzenoid
  • Monocyclic benzene moiety
  • Vinylogous acid
  • Ketone
  • Oxacycle
  • Organoheterocyclic compound
  • Ether
  • Organic oxygen compound
  • Organic oxide
  • Organooxygen compound
  • Hydrocarbon derivative
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Physiological effect
Disposition
Process
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point192 - 193 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular Locations
  • Membrane
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB002759
KNApSAcK IDC00000992
Chemspider IDNot Available
KEGG Compound IDC09827
BioCyc IDCPD-6991
BiGG IDNot Available
Wikipedia LinkPinocembrin
METLIN IDNot Available
PubChem Compound68071
PDB IDNot Available
ChEBI ID28157
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .

Enzymes

General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGT is of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds. This isoform glucuronidates bilirubin IX-alpha to form both the IX-alpha-C8 and IX-alpha-C12 monoconjugates and diconjugate. Is also able to catalyze the glucuronidation of 17beta-estradiol, 17alpha-ethinylestradiol, 1-hydroxypyrene, 4-methylumbelliferone, 1-naphthol, paranitrophenol, scopoletin, and umbelliferone.
Gene Name:
UGT1A1
Uniprot ID:
P22309
Molecular weight:
59590.91
Reactions
Pinocembrin → 3,4,5-trihydroxy-6-[(7-hydroxy-4-oxo-2-phenyl-3,4-dihydro-2H-1-benzopyran-5-yl)oxy]oxane-2-carboxylic aciddetails
Pinocembrin → 3,4,5-trihydroxy-6-[(5-hydroxy-4-oxo-2-phenyl-3,4-dihydro-2H-1-benzopyran-7-yl)oxy]oxane-2-carboxylic aciddetails