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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 13:32:13 UTC
Update Date2021-09-26 23:08:13 UTC
HMDB IDHMDB0254305
Secondary Accession NumbersNone
Metabolite Identification
Common NameMagnolol
DescriptionMagnolol belongs to the class of organic compounds known as biphenyls and derivatives. These are organic compounds containing to benzene rings linked together by a C-C bond. Magnolol is an extremely weak basic (essentially neutral) compound (based on its pKa). Magnolol is an organic compound that is classified as lignan. It is known to act on the GABAA receptors in rat cells in vitro as well as having antifungal properties. It has anti-periodontal disease activity in a rat model. It is a bioactive compound found in the bark of the Houpu magnolia (Magnolia officinalis) or in M. grandiflora. Magnolol has a number of osteoblast-stimulating and osteoclast-inhibiting activities in cell culture and has been suggested as a candidate for screening for anti-osteoporosis activity. The compound exists at the level of a few percent in the bark of species of magnolia, the extracts of which have been used in traditional Chinese and Japanese medicine. Structural analogues have been studied and found to be strong allosteric modulators of GABAA.Magnolol is also binding in dimeric mode to PPARγ, acting as an agonist of this nuclear receptor. In addition to magnolol, related lignans occur in the extracts including honokiol, which is an isomer of magnolol. This compound has been identified in human blood as reported by (PMID: 31557052 ). Magnolol is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Magnolol is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources.
Structure
Thumb
Synonyms
ValueSource
5,5'-Diallyl-2,2'-dihydroxybiphenylMeSH
Chemical FormulaC18H18O2
Average Molecular Weight266.3343
Monoisotopic Molecular Weight266.13067982
IUPAC Name2-[2-hydroxy-5-(prop-2-en-1-yl)phenyl]-4-(prop-2-en-1-yl)phenol
Traditional Namemagnolol
CAS Registry NumberNot Available
SMILES
OC1=C(C=C(CC=C)C=C1)C1=C(O)C=CC(CC=C)=C1
InChI Identifier
InChI=1S/C18H18O2/c1-3-5-13-7-9-17(19)15(11-13)16-12-14(6-4-2)8-10-18(16)20/h3-4,7-12,19-20H,1-2,5-6H2
InChI KeyVVOAZFWZEDHOOU-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as biphenyls and derivatives. These are organic compounds containing to benzene rings linked together by a C-C bond.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassBiphenyls and derivatives
Direct ParentBiphenyls and derivatives
Alternative Parents
Substituents
  • Biphenyl
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
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
logP4.72ALOGPS
logP5.21ChemAxon
logS-4.4ALOGPS
pKa (Strongest Acidic)8.69ChemAxon
pKa (Strongest Basic)-6.1ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area40.46 ŲChemAxon
Rotatable Bond Count5ChemAxon
Refractivity83.73 m³·mol⁻¹ChemAxon
Polarizability29.91 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveNoChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+170.70130932474
DeepCCS[M-H]-168.34330932474
DeepCCS[M-2H]-201.2330932474
DeepCCS[M+Na]+176.79430932474
AllCCS[M+H]+163.932859911
AllCCS[M+H-H2O]+160.132859911
AllCCS[M+NH4]+167.532859911
AllCCS[M+Na]+168.532859911
AllCCS[M-H]-164.532859911
AllCCS[M+Na-2H]-164.032859911
AllCCS[M+HCOO]-163.632859911

Predicted Retention Times

Underivatized

Chromatographic MethodRetention TimeReference
Predicted by Siyang on May 30, 202217.6738 minutes33406817
Predicted by Siyang using ReTip algorithm on June 8, 20221.29 minutes32390414
Fem_Long = Waters ACQUITY UPLC HSS T3 C18 with Water:MeOH and 0.1% Formic Acid2424.8 seconds40023050
Fem_Lipids = Ascentis Express C18 with (60:40 water:ACN):(90:10 IPA:ACN) and 10mM NH4COOH + 0.1% Formic Acid491.5 seconds40023050
Life_Old = Waters ACQUITY UPLC BEH C18 with Water:(20:80 acetone:ACN) and 0.1% Formic Acid220.6 seconds40023050
Life_New = RP Waters ACQUITY UPLC HSS T3 C18 with Water:(30:70 MeOH:ACN) and 0.1% Formic Acid293.3 seconds40023050
RIKEN = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid498.2 seconds40023050
Eawag_XBridgeC18 = XBridge C18 3.5u 2.1x50 mm with Water:MeOH and 0.1% Formic Acid793.1 seconds40023050
BfG_NTS_RP1 =Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) with Water:ACN and 0.1% Formic Acid782.7 seconds40023050
HILIC_BDD_2 = Merck SeQuant ZIC-HILIC with ACN(0.1% formic acid):water(16 mM ammonium formate)78.6 seconds40023050
UniToyama_Atlantis = RP Waters Atlantis T3 (2.1 x 150 mm, 5 um) with ACN:Water and 0.1% Formic Acid1565.7 seconds40023050
BDD_C18 = Hypersil Gold 1.9µm C18 with Water:ACN and 0.1% Formic Acid713.8 seconds40023050
UFZ_Phenomenex = Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex with Water:MeOH and 0.1% Formic Acid1596.5 seconds40023050
SNU_RIKEN_POS = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid553.8 seconds40023050
RPMMFDA = Waters ACQUITY UPLC BEH C18 with Water:ACN and 0.1% Formic Acid521.6 seconds40023050
MTBLS87 = Merck SeQuant ZIC-pHILIC column with ACN:Water and :ammonium carbonate416.3 seconds40023050
KI_GIAR_zic_HILIC_pH2_7 = Merck SeQuant ZIC-HILIC with ACN:Water and 0.1% FA208.0 seconds40023050
Meister zic-pHILIC pH9.3 = Merck SeQuant ZIC-pHILIC column with ACN:Water 5mM NH4Ac pH9.3 and 5mM ammonium acetate in water9.0 seconds40023050

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
MagnololOC1=C(C=C(CC=C)C=C1)C1=C(O)C=CC(CC=C)=C13478.9Standard polar33892256
MagnololOC1=C(C=C(CC=C)C=C1)C1=C(O)C=CC(CC=C)=C12083.2Standard non polar33892256
MagnololOC1=C(C=C(CC=C)C=C1)C1=C(O)C=CC(CC=C)=C12376.2Semi standard non polar33892256
Spectra
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal 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 IDC00000591
Chemspider IDNot Available
KEGG Compound IDC10651
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkMagnolol
METLIN IDNot Available
PubChem Compound72300
PDB IDNot Available
ChEBI IDNot Available
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. Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]