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Record Information
Version2.0
Created at2022-04-28 01:59:07 UTC
Updated at2022-04-28 01:59:07 UTC
NP-MRD IDNP0056105
Secondary Accession NumbersNone
Natural Product Identification
Common NameEpiafzelechin 3-O-gallate
Description(-)-Epiafzelechin 3-gallate, also known as epiafzelechin 3-O-gallic acid, belongs to the class of organic compounds known as flavan-3-ols. These are flavans that bear and hydroxyl group at position 3 (B ring), but not at position 4. A gallate ester obtained by formal condensation of the carboxy group of gallic acid with the (3R)-hydroxy group of epiafzelechin (-)-Epiafzelechin 3-gallate is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral. Outside of the human body, (-)-Epiafzelechin 3-gallate is found, on average, in the highest concentration within tea. Epiafzelechin 3-O-gallate is found in Camellia sinensis and Camellia sinensis var. assamica . This could make (-)-epiafzelechin 3-gallate a potential biomarker for the consumption of these foods.
Structure
Thumb
Synonyms
ValueSource
(-)-Epiafzelechin 3-O-gallateChEBI
Epiafzelechin 3-O-gallateChEBI
(-)-Epiafzelechin 3-O-gallic acidGenerator
Epiafzelechin 3-O-gallic acidGenerator
(-)-Epiafzelechin 3-gallic acidGenerator
(-)-Epiafzelechin gallateHMDB
(-)-Epiafzelechin gallic acidHMDB
3-Galloyl-(-)-epiafzelechinHMDB
(-)-Epiafzelechin 3-gallateChEBI
Chemical FormulaC22H18O9
Average Mass426.3729 Da
Monoisotopic Mass426.09508 Da
IUPAC Name(2R,3R)-5,7-dihydroxy-2-(4-hydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3-yl 3,4,5-trihydroxybenzoate
Traditional Nameepiafzelechin 3-O-gallate
CAS Registry NumberNot Available
SMILES
OC1=CC=C(C=C1)[C@H]1OC2=C(C[C@H]1OC(=O)C1=CC(O)=C(O)C(O)=C1)C(O)=CC(O)=C2
InChI Identifier
InChI=1S/C22H18O9/c23-12-3-1-10(2-4-12)21-19(9-14-15(25)7-13(24)8-18(14)30-21)31-22(29)11-5-16(26)20(28)17(27)6-11/h1-8,19,21,23-28H,9H2/t19-,21-/m1/s1
InChI KeySDZPYNMXGUHFMZ-TZIWHRDSSA-N
Experimental Spectra
Not Available
Predicted Spectra
Spectrum TypeDescriptionDepositor IDDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 25 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 252 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 50 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 75 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 101 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 126 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 151 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 176 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 201 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 226 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Camellia sinensisLOTUS Database
Camellia sinensis var. assamicaPlant
Chemical Taxonomy
Description Belongs to the class of organic compounds known as flavan-3-ols. These are flavans that bear and hydroxyl group at position 3 (B ring), but not at position 4.
KingdomOrganic compounds
Super ClassPhenylpropanoids and polyketides
ClassFlavonoids
Sub ClassFlavans
Direct ParentFlavan-3-ols
Alternative Parents
Substituents
  • Flavan-3-ol
  • Hydroxyflavonoid
  • 7-hydroxyflavonoid
  • 5-hydroxyflavonoid
  • 4'-hydroxyflavonoid
  • Galloyl ester
  • Gallic acid or derivatives
  • P-hydroxybenzoic acid alkyl ester
  • M-hydroxybenzoic acid ester
  • P-hydroxybenzoic acid ester
  • Chromane
  • Benzopyran
  • 1-benzopyran
  • Benzoate ester
  • Pyrogallol derivative
  • Benzoic acid or derivatives
  • Benzenetriol
  • Benzoyl
  • 1-hydroxy-2-unsubstituted benzenoid
  • 1-hydroxy-4-unsubstituted benzenoid
  • Phenol
  • Alkyl aryl ether
  • Benzenoid
  • Monocyclic benzene moiety
  • Carboxylic acid ester
  • Oxacycle
  • Organoheterocyclic compound
  • Polyol
  • Monocarboxylic acid or derivatives
  • Ether
  • Carboxylic acid derivative
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organic oxygen compound
  • Organic oxide
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP2.74ALOGPS
logP3.68ChemAxon
logS-4.3ALOGPS
pKa (Strongest Acidic)8.05ChemAxon
pKa (Strongest Basic)-4.9ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count8ChemAxon
Hydrogen Donor Count6ChemAxon
Polar Surface Area156.91 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity107.78 m³·mol⁻¹ChemAxon
Polarizability41.25 ųChemAxon
Number of Rings4ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0038846
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB018281
KNApSAcK IDC00008864
Chemspider ID410660
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound467295
PDB IDNot Available
ChEBI ID136552
Good Scents IDNot Available
References
General References