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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2013-04-09 21:20:11 UTC
Update Date2021-09-14 14:58:42 UTC
HMDB IDHMDB0060021
Secondary Accession Numbers
  • HMDB60021
Metabolite Identification
Common Nametrans-isoeugenol-O-glucuronide
Descriptiontrans-isoeugenol-O-glucuronide is a conjugate of trans-isoeugenol and glucuronide. A glucuronide, also known as glucuronoside, is any substance produced by linking glucuronic acid to another substance via a glycosidic bond. The glucuronides belong to the glycosides. Glucuronidation, the conversion of chemical compounds to glucuronides, is a method that animals use to assist in the excretion of toxic substances, drugs or other substances that cannot be used as an energy source. Glucuronic acid is attached via a glycosidic bond to the substance, and the resulting glucuronide, which has a much higher water solubility than the original substance, is eventually excreted by the kidneys. Enzymes that cleave the glycosidic bond of a glucuronide are called glucuronidases. (Wikipedia)
Structure
Data?1563866006
Synonyms
ValueSource
(2S,3S,4S,5R)-3,4,5-Trihydroxy-6-{2-methoxy-4-[(1E)-prop-1-en-1-yl]phenoxy}oxane-2-carboxylateGenerator
Chemical FormulaC16H20O8
Average Molecular Weight340.3252
Monoisotopic Molecular Weight340.115817616
IUPAC Name(2S,3S,4S,5R)-3,4,5-trihydroxy-6-{2-methoxy-4-[(1E)-prop-1-en-1-yl]phenoxy}oxane-2-carboxylic acid
Traditional Name(2S,3S,4S,5R)-3,4,5-trihydroxy-6-{2-methoxy-4-[(1E)-prop-1-en-1-yl]phenoxy}oxane-2-carboxylic acid
CAS Registry NumberNot Available
SMILES
COC1=CC(\C=C\C)=CC=C1OC1O[C@@H]([C@@H](O)[C@H](O)[C@H]1O)C(O)=O
InChI Identifier
InChI=1S/C16H20O8/c1-3-4-8-5-6-9(10(7-8)22-2)23-16-13(19)11(17)12(18)14(24-16)15(20)21/h3-7,11-14,16-19H,1-2H3,(H,20,21)/b4-3+/t11-,12-,13+,14-,16?/m0/s1
InChI KeyHBQGHTRBYUFZLV-MIJQFFSFSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as phenolic glycosides. These are organic compounds containing a phenolic structure attached to a glycosyl moiety. Some examples of phenolic structures include lignans, and flavonoids. Among the sugar units found in natural glycosides are D-glucose, L-Fructose, and L rhamnose.
KingdomOrganic compounds
Super ClassOrganic oxygen compounds
ClassOrganooxygen compounds
Sub ClassCarbohydrates and carbohydrate conjugates
Direct ParentPhenolic glycosides
Alternative Parents
Substituents
  • Phenolic glycoside
  • 1-o-glucuronide
  • O-glucuronide
  • Glucuronic acid or derivatives
  • O-glycosyl compound
  • Phenoxy compound
  • Anisole
  • Methoxybenzene
  • Styrene
  • Phenol ether
  • Alkyl aryl ether
  • Beta-hydroxy acid
  • Monocyclic benzene moiety
  • Hydroxy acid
  • Monosaccharide
  • Benzenoid
  • Pyran
  • Oxane
  • Secondary alcohol
  • Monocarboxylic acid or derivatives
  • Organoheterocyclic compound
  • Ether
  • Carboxylic acid
  • Carboxylic acid derivative
  • Oxacycle
  • Acetal
  • Polyol
  • Alcohol
  • Carbonyl group
  • Organic oxide
  • Hydrocarbon derivative
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility4.07 g/LALOGPS
logP0.54ALOGPS
logP0.69ChemAxon
logS-1.9ALOGPS
pKa (Strongest Acidic)3.16ChemAxon
pKa (Strongest Basic)-3.7ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count8ChemAxon
Hydrogen Donor Count4ChemAxon
Polar Surface Area125.68 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity81.87 m³·mol⁻¹ChemAxon
Polarizability33.32 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+183.50931661259
DarkChem[M-H]-181.74831661259
DeepCCS[M+H]+177.85930932474
DeepCCS[M-H]-175.46330932474
DeepCCS[M-2H]-208.63330932474
DeepCCS[M+Na]+184.0230932474
AllCCS[M+H]+182.132859911
AllCCS[M+H-H2O]+179.132859911
AllCCS[M+NH4]+184.932859911
AllCCS[M+Na]+185.732859911
AllCCS[M-H]-177.932859911
AllCCS[M+Na-2H]-178.132859911
AllCCS[M+HCOO]-178.432859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
trans-isoeugenol-O-glucuronideCOC1=CC(\C=C\C)=CC=C1OC1O[C@@H]([C@@H](O)[C@H](O)[C@H]1O)C(O)=O4432.0Standard polar33892256
trans-isoeugenol-O-glucuronideCOC1=CC(\C=C\C)=CC=C1OC1O[C@@H]([C@@H](O)[C@H](O)[C@H]1O)C(O)=O2855.9Standard non polar33892256
trans-isoeugenol-O-glucuronideCOC1=CC(\C=C\C)=CC=C1OC1O[C@@H]([C@@H](O)[C@H](O)[C@H]1O)C(O)=O2912.8Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
trans-isoeugenol-O-glucuronide,1TMS,isomer #1C/C=C/C1=CC=C(OC2O[C@H](C(=O)O)[C@@H](O[Si](C)(C)C)[C@H](O)[C@H]2O)C(OC)=C12826.7Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,1TMS,isomer #2C/C=C/C1=CC=C(OC2O[C@H](C(=O)O)[C@@H](O)[C@H](O[Si](C)(C)C)[C@H]2O)C(OC)=C12839.7Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,1TMS,isomer #3C/C=C/C1=CC=C(OC2O[C@H](C(=O)O)[C@@H](O)[C@H](O)[C@H]2O[Si](C)(C)C)C(OC)=C12853.3Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,1TMS,isomer #4C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C)[C@@H](O)[C@H](O)[C@H]2O)C(OC)=C12824.0Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,2TMS,isomer #1C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C)[C@@H](O[Si](C)(C)C)[C@H](O)[C@H]2O)C(OC)=C12812.0Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,2TMS,isomer #2C/C=C/C1=CC=C(OC2O[C@H](C(=O)O)[C@@H](O[Si](C)(C)C)[C@H](O[Si](C)(C)C)[C@H]2O)C(OC)=C12787.9Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,2TMS,isomer #3C/C=C/C1=CC=C(OC2O[C@H](C(=O)O)[C@@H](O[Si](C)(C)C)[C@H](O)[C@H]2O[Si](C)(C)C)C(OC)=C12814.5Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,2TMS,isomer #4C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C)[C@@H](O)[C@H](O[Si](C)(C)C)[C@H]2O)C(OC)=C12807.3Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,2TMS,isomer #5C/C=C/C1=CC=C(OC2O[C@H](C(=O)O)[C@@H](O)[C@H](O[Si](C)(C)C)[C@H]2O[Si](C)(C)C)C(OC)=C12816.7Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,2TMS,isomer #6C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C)[C@@H](O)[C@H](O)[C@H]2O[Si](C)(C)C)C(OC)=C12812.2Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,3TMS,isomer #1C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C)[C@@H](O[Si](C)(C)C)[C@H](O[Si](C)(C)C)[C@H]2O)C(OC)=C12808.5Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,3TMS,isomer #2C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C)[C@@H](O[Si](C)(C)C)[C@H](O)[C@H]2O[Si](C)(C)C)C(OC)=C12827.7Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,3TMS,isomer #3C/C=C/C1=CC=C(OC2O[C@H](C(=O)O)[C@@H](O[Si](C)(C)C)[C@H](O[Si](C)(C)C)[C@H]2O[Si](C)(C)C)C(OC)=C12798.5Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,3TMS,isomer #4C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C)[C@@H](O)[C@H](O[Si](C)(C)C)[C@H]2O[Si](C)(C)C)C(OC)=C12807.2Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,4TMS,isomer #1C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C)[C@@H](O[Si](C)(C)C)[C@H](O[Si](C)(C)C)[C@H]2O[Si](C)(C)C)C(OC)=C12855.0Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,1TBDMS,isomer #1C/C=C/C1=CC=C(OC2O[C@H](C(=O)O)[C@@H](O[Si](C)(C)C(C)(C)C)[C@H](O)[C@H]2O)C(OC)=C13103.9Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,1TBDMS,isomer #2C/C=C/C1=CC=C(OC2O[C@H](C(=O)O)[C@@H](O)[C@H](O[Si](C)(C)C(C)(C)C)[C@H]2O)C(OC)=C13124.0Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,1TBDMS,isomer #3C/C=C/C1=CC=C(OC2O[C@H](C(=O)O)[C@@H](O)[C@H](O)[C@H]2O[Si](C)(C)C(C)(C)C)C(OC)=C13127.4Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,1TBDMS,isomer #4C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C(C)(C)C)[C@@H](O)[C@H](O)[C@H]2O)C(OC)=C13103.2Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,2TBDMS,isomer #1C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C(C)(C)C)[C@@H](O[Si](C)(C)C(C)(C)C)[C@H](O)[C@H]2O)C(OC)=C13327.6Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,2TBDMS,isomer #2C/C=C/C1=CC=C(OC2O[C@H](C(=O)O)[C@@H](O[Si](C)(C)C(C)(C)C)[C@H](O[Si](C)(C)C(C)(C)C)[C@H]2O)C(OC)=C13303.3Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,2TBDMS,isomer #3C/C=C/C1=CC=C(OC2O[C@H](C(=O)O)[C@@H](O[Si](C)(C)C(C)(C)C)[C@H](O)[C@H]2O[Si](C)(C)C(C)(C)C)C(OC)=C13319.7Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,2TBDMS,isomer #4C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C(C)(C)C)[C@@H](O)[C@H](O[Si](C)(C)C(C)(C)C)[C@H]2O)C(OC)=C13334.9Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,2TBDMS,isomer #5C/C=C/C1=CC=C(OC2O[C@H](C(=O)O)[C@@H](O)[C@H](O[Si](C)(C)C(C)(C)C)[C@H]2O[Si](C)(C)C(C)(C)C)C(OC)=C13327.2Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,2TBDMS,isomer #6C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C(C)(C)C)[C@@H](O)[C@H](O)[C@H]2O[Si](C)(C)C(C)(C)C)C(OC)=C13330.6Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,3TBDMS,isomer #1C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C(C)(C)C)[C@@H](O[Si](C)(C)C(C)(C)C)[C@H](O[Si](C)(C)C(C)(C)C)[C@H]2O)C(OC)=C13532.5Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,3TBDMS,isomer #2C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C(C)(C)C)[C@@H](O[Si](C)(C)C(C)(C)C)[C@H](O)[C@H]2O[Si](C)(C)C(C)(C)C)C(OC)=C13564.7Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,3TBDMS,isomer #3C/C=C/C1=CC=C(OC2O[C@H](C(=O)O)[C@@H](O[Si](C)(C)C(C)(C)C)[C@H](O[Si](C)(C)C(C)(C)C)[C@H]2O[Si](C)(C)C(C)(C)C)C(OC)=C13523.5Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,3TBDMS,isomer #4C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C(C)(C)C)[C@@H](O)[C@H](O[Si](C)(C)C(C)(C)C)[C@H]2O[Si](C)(C)C(C)(C)C)C(OC)=C13528.2Semi standard non polar33892256
trans-isoeugenol-O-glucuronide,4TBDMS,isomer #1C/C=C/C1=CC=C(OC2O[C@H](C(=O)O[Si](C)(C)C(C)(C)C)[C@@H](O[Si](C)(C)C(C)(C)C)[C@H](O[Si](C)(C)C(C)(C)C)[C@H]2O[Si](C)(C)C(C)(C)C)C(OC)=C13743.7Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - trans-isoeugenol-O-glucuronide GC-MS (Non-derivatized) - 70eV, Positivesplash10-0abc-9263000000-28ef517776b4aebf3a152017-09-20Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - trans-isoeugenol-O-glucuronide GC-MS (4 TMS) - 70eV, Positivesplash10-03di-4111159000-9744a90b907a34da36d92017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - trans-isoeugenol-O-glucuronide GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - trans-isoeugenol-O-glucuronide GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - trans-isoeugenol-O-glucuronide 10V, Positive-QTOFsplash10-01b9-0906000000-48cbd9daf96a67bbba352017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - trans-isoeugenol-O-glucuronide 20V, Positive-QTOFsplash10-014i-0900000000-c3db8e6c9206bcc97a2c2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - trans-isoeugenol-O-glucuronide 40V, Positive-QTOFsplash10-00ke-4900000000-1717b89821326688d18d2017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - trans-isoeugenol-O-glucuronide 10V, Negative-QTOFsplash10-01p9-1938000000-97bafd0181f2e3a2b8502017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - trans-isoeugenol-O-glucuronide 20V, Negative-QTOFsplash10-03dj-1911000000-ae2e1e0e7dcf9e2481692017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - trans-isoeugenol-O-glucuronide 40V, Negative-QTOFsplash10-03ea-2900000000-61380e7246701c03fac02017-10-06Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - trans-isoeugenol-O-glucuronide 10V, Positive-QTOFsplash10-0006-0109000000-9e37c4f5a599e2fdb5412021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - trans-isoeugenol-O-glucuronide 20V, Positive-QTOFsplash10-01wf-0948000000-5a939ca8755a26e1893e2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - trans-isoeugenol-O-glucuronide 40V, Positive-QTOFsplash10-017i-3900000000-d7f284fba3aed2db22c92021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - trans-isoeugenol-O-glucuronide 10V, Negative-QTOFsplash10-000i-0009000000-0e256c0c28d005ee63002021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - trans-isoeugenol-O-glucuronide 20V, Negative-QTOFsplash10-01ot-4924000000-a423a27ea1e11c166fb02021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - trans-isoeugenol-O-glucuronide 40V, Negative-QTOFsplash10-056a-8941000000-c2f1b4cae7258f7da44f2021-10-12Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-24Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Blood
  • Urine
Tissue Locations
  • Kidney
  • Liver
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableNormal
      Not Available
details
UrineDetected but not QuantifiedNot QuantifiedAdult (>18 years old)MaleNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound124202102
PDB IDNot Available
ChEBI ID89553
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. van der Hooft JJ, de Vos RC, Mihaleva V, Bino RJ, Ridder L, de Roo N, Jacobs DM, van Duynhoven JP, Vervoort J: Structural elucidation and quantification of phenolic conjugates present in human urine after tea intake. Anal Chem. 2012 Aug 21;84(16):7263-71. doi: 10.1021/ac3017339. Epub 2012 Aug 2. [PubMed:22827565 ]