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Record Information
Version2.0
Created at2021-06-19 22:18:33 UTC
Updated at2021-06-29 23:59:33 UTC
NP-MRD IDNP0031144
Secondary Accession NumbersNone
Natural Product Identification
Common Nameepiafzelechin
Provided ByJEOL DatabaseJEOL Logo
Description(-)-Epiafzelechin 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. Thus, (-)-epiafzelechin is considered to be a flavonoid (-)-Epiafzelechin is found, on average, in the highest concentration within a few different foods, such as teas (Camellia sinensis), red tea, and herbal tea and in a lower concentration in green tea and black tea (-)-Epiafzelechin has also been detected, but not quantified in, several different foods, such as mexican oreganos (Lippia graveolens), vaccinium (blueberry, cranberry, huckleberry), italian oreganos (Origanum X majoricum), butternuts (Juglans cinerea), and corns (Zea mays). This could make (-)-epiafzelechin a potential biomarker for the consumption of these foods (-)-Epiafzelechin is a primary metabolite. Primary metabolites are metabolically or physiologically essential metabolites. They are directly involved in an organism’s growth, development or reproduction. epiafzelechin is found in Acacia catechu , Actinidia chinensis , Afzelia sp., Aiouea hammeliana, Artocarpus dadah, Artocarpus fretessi Hassk, Artocarpus reticulatus Miq, Bauhinia racemosa, Bergenia ligulata , Camellia sinensis , Cassia abbreviata , Cassia fistula , Cassia javanica , Cassia roxburghii, Cassia sieberiana, Cassia spp., Cassipourea gummiflua, Celastrus orbiculatus, Cochlospermum gillivraei, Crateva religiosa, Desmoncus polyacanthos , Desmoncus polycanthus, Dicranopteris pedata, Ephedra sinica , Ephedra sp., Eucalyptus calophylla, Eysenhardtia subcoriacea Pennell, Ficus cordata, Ginkgo biloba , Juniperus communis , Kandelia candel, Larix gmelinii, Larix sibirica, Nothofagus fusca, Paraburkholderia phymatum, Pelargonium reniforme, Phyllanthus emblica, Pinalia floribunda, Prunus persica , Saxifraga ligulata, Senegalia catechu, Taxus chinensis, Tsuga chinensis, Typha capensis, Typha capensis (Rohrb.) N. E. Br , Wisteria floribunda, Xanthoceras sorbifolia and Ziziphus jujuba. epiafzelechin was first documented in 2011 (PMID: 21070009). Based on a literature review a small amount of articles have been published on (-)-Epiafzelechin (PMID: 34271878) (PMID: 34068829) (PMID: 33922460) (PMID: 33842675).
Structure
Thumb
Synonyms
ValueSource
(2R,3R)-EpiafzelechinChEBI
Epi-afzelechinChEBI
EpiafzelechinHMDB
Chemical FormulaC15H14O5
Average Mass274.2687 Da
Monoisotopic Mass274.08412 Da
IUPAC Name(2R,3R)-2-(4-hydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol
Traditional Nameepiafzelechin
CAS Registry NumberNot Available
SMILES
[H]OC1=C([H])C([H])=C(C([H])=C1[H])[C@@]1([H])OC2=C(C(O[H])=C([H])C(O[H])=C2[H])C([H])([H])[C@@]1([H])O[H]
InChI Identifier
InChI=1S/C15H14O5/c16-9-3-1-8(2-4-9)15-13(19)7-11-12(18)5-10(17)6-14(11)20-15/h1-6,13,15-19H,7H2/t13-,15-/m1/s1
InChI KeyRSYUFYQTACJFML-UKRRQHHQSA-N
Experimental Spectra
Spectrum TypeDescriptionDepositor EmailDepositor OrganizationDepositorDeposition DateView
1D NMR13C NMR Spectrum (1D, 400 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 400 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 100 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 100 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 200 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 200 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 300 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 300 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 500 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 500 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 600 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 600 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 700 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 700 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 800 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 800 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 900 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 900 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR13C NMR Spectrum (1D, 1000 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
1D NMR1H NMR Spectrum (1D, 1000 MHz, acetone-d6 at 303K, simulated)Wishart LabWishart LabDavid Wishart2021-06-20View Spectrum
Predicted Spectra
Not Available
Chemical Shift Submissions
Not Available
Species
Species of Origin
Species NameSourceReference
Acacia catechuPlant
Actinidia chinensisPlant
Afzelia sp.Plant
Aiouea hammelianaLOTUS Database
Artocarpus dadahLOTUS Database
Artocarpus fretessi HasskPlant
Artocarpus reticulatus MiqPlant
Bauhinia racemosaLOTUS Database
Bergenia ligulataPlant
Camellia sinensisPlant
Cannabis sativaCannabisDB
      Not Available
Cassia abbreviataPlant
Cassia fistulaPlant
Cassia javanicaPlant
Cassia roxburghiiLOTUS Database
Cassia sieberianaLOTUS Database
Cassia spp.Plant
Cassipourea gummifluaPlant
Celastrus orbiculatusLOTUS Database
Cochlospermum gillivraeiPlant
Crateva religiosaLOTUS Database
Desmoncus polyacanthosPlant
Desmoncus polycanthusPlant
Dicranopteris pedataPlant
Ephedra sinicaPlant
Ephedra sp.Plant
Eucalyptus calophyllaPlant
Eysenhardtia subcoriacea PennellPlant
Ficus cordataPlant
Ginkgo bilobaPlant
Juniperus communisPlant
Kandelia candelPlant
Larix gmeliniPlant
Larix sibiricaPlant
Nothofagus fuscaPlant
Paraburkholderia phymatum-
Pelargonium reniformePlant
Phyllanthus emblicaLOTUS Database
Pinalia floribundaLOTUS Database
Prunus persicaPlant
Saxifraga ligulataPlant
Senegalia catechuLOTUS Database
Stellera chamaejasmeKNApSAcK Database
Taxus chinensisPlant
Tsuga chinensisLOTUS Database
Typha capensisLOTUS Database
Typha capensis (Rohrb.) N. E. BrPlant
Wisteria floribundaLOTUS Database
Xanthoceras sorbifoliumPlant
Ziziphus jujubaLOTUS Database
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
  • 3-hydroxyflavonoid
  • 4'-hydroxyflavonoid
  • 5-hydroxyflavonoid
  • 7-hydroxyflavonoid
  • Flavan-3-ol
  • Hydroxyflavonoid
  • 1-benzopyran
  • Chromane
  • Benzopyran
  • 1-hydroxy-4-unsubstituted benzenoid
  • 1-hydroxy-2-unsubstituted benzenoid
  • Alkyl aryl ether
  • Phenol
  • Benzenoid
  • Monocyclic benzene moiety
  • Secondary alcohol
  • Polyol
  • Organoheterocyclic compound
  • Oxacycle
  • Ether
  • Hydrocarbon derivative
  • Organic oxygen compound
  • Alcohol
  • Organooxygen compound
  • 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
logP1.29ALOGPS
logP2.1ChemAxon
logS-2.8ALOGPS
pKa (Strongest Acidic)9.15ChemAxon
pKa (Strongest Basic)-3.3ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count5ChemAxon
Hydrogen Donor Count4ChemAxon
Polar Surface Area90.15 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity72.02 m³·mol⁻¹ChemAxon
Polarizability27.51 ųChemAxon
Number of Rings3ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
HMDB IDHMDB0030822
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB002778
KNApSAcK IDC00008805
Chemspider ID391781
KEGG Compound IDC12128
BioCyc IDCPD-10413
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound443639
PDB IDNot Available
ChEBI ID31028
Good Scents IDrw1388821
References
General References
  1. Kpegba K, Agbonon A, Petrovic AG, Amouzou E, Gbeassor M, Proni G, Nesnas N: Epiafzelechin from the root bark of Cassia sieberiana: detection by DART mass spectrometry, spectroscopic characterization, and antioxidant properties. J Nat Prod. 2011 Mar 25;74(3):455-9. doi: 10.1021/np100090e. Epub 2010 Nov 11. [PubMed:21070009 ]
  2. Wang X, Yan M, Zhou J, Song W, Xiao Y, Cui C, Gao W, Ke F, Zhu J, Gu Z, Hou R: Delivery of acetamiprid to tea leaves enabled by porous silica nanoparticles: efficiency, distribution and metabolism of acetamiprid in tea plants. BMC Plant Biol. 2021 Jul 16;21(1):337. doi: 10.1186/s12870-021-03120-4. [PubMed:34271878 ]
  3. Zheng Y, Yang XW, Schols D, Mori M, Botta B, Chevigne A, Mulinge M, Steinmetz A, Schmit JC, Seguin-Devaux C: Active Components from Cassia abbreviata Prevent HIV-1 Entry by Distinct Mechanisms of Action. Int J Mol Sci. 2021 May 10;22(9). pii: ijms22095052. doi: 10.3390/ijms22095052. [PubMed:34068829 ]
  4. Yang X, He Z, Zheng Y, Wang N, Mulinge M, Schmit JC, Steinmetz A, Seguin-Devaux C: Chemical Constituents of Cassia abbreviata and Their Anti-HIV-1 Activity. Molecules. 2021 Apr 23;26(9). pii: molecules26092455. doi: 10.3390/molecules26092455. [PubMed:33922460 ]
  5. Dey D, Dey N, Ghosh S, Chandrasekaran N, Mukherjee A, Thomas J: Potential combination therapy using twenty phytochemicals from twenty plants to prevent SARS- CoV-2 infection: An in silico Approach. Virusdisease. 2021 Apr 5:1-9. doi: 10.1007/s13337-021-00658-7. [PubMed:33842675 ]
  6. Davis, A. L., et al. (1996). Davis, A. L., et al, Magn. Reson. Chem. 34, 887 (1996). Mag. Reson. Chem..