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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 17:37:46 UTC
Update Date2022-03-07 02:52:36 UTC
HMDB IDHMDB0030583
Secondary Accession Numbers
  • HMDB30583
Metabolite Identification
Common NameSilibinin
Description3,5,7-trihydroxy-2-[3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-3,4-dihydro-2H-1-benzopyran-4-one, also known as silibinin, belongs to the class of organic compounds known as flavonolignans. These are non-conventional lignans that derived from flavonoids. They are characterized by a p-dioxin ring substituted at one carbon atom by a C3C6 (phenylpropan) group and fused to the B-ring of the 2-phenylchromene moiety. Based on a literature review very few articles have been published on 3,5,7-trihydroxy-2-[3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-3,4-dihydro-2H-1-benzopyran-4-one.
Structure
Thumb
Synonyms
Chemical FormulaC25H22O10
Average Molecular Weight482.4362
Monoisotopic Molecular Weight482.121296924
IUPAC Name3,5,7-trihydroxy-2-[3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-3,4-dihydro-2H-1-benzopyran-4-one
Traditional Namesilymarin
CAS Registry Number22888-70-6
SMILES
COC1=C(O)C=CC(=C1)C1OC2=C(OC1CO)C=CC(=C2)C1OC2=CC(O)=CC(O)=C2C(=O)C1O
InChI Identifier
InChI=1S/C25H22O10/c1-32-17-6-11(2-4-14(17)28)24-20(10-26)33-16-5-3-12(7-18(16)34-24)25-23(31)22(30)21-15(29)8-13(27)9-19(21)35-25/h2-9,20,23-29,31H,10H2,1H3
InChI KeySEBFKMXJBCUCAI-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as flavonolignans. These are non-conventional lignans that derived from flavonoids. They are characterized by a p-dioxin ring substituted at one carbon atom by a C3C6 (phenylpropan) group and fused to the B-ring of the 2-phenylchromene moiety.
KingdomOrganic compounds
Super ClassLignans, neolignans and related compounds
ClassFlavonolignans
Sub ClassNot Available
Direct ParentFlavonolignans
Alternative Parents
Substituents
  • Flavonolignan
  • Hydroxyflavonoid
  • 3-hydroxyflavonoid
  • Flavanonol
  • Flavanone
  • 7-hydroxyflavonoid
  • 5-hydroxyflavonoid
  • Flavan
  • Phenylbenzodioxane
  • 2-phenylbenzo-1,4-dioxane
  • Chromone
  • 1-benzopyran
  • Methoxyphenol
  • Benzopyran
  • Chromane
  • Benzodioxane
  • Benzo-1,4-dioxane
  • Phenoxy compound
  • Anisole
  • Methoxybenzene
  • Aryl alkyl ketone
  • Aryl ketone
  • Phenol ether
  • Alkyl aryl ether
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • 1-hydroxy-4-unsubstituted benzenoid
  • Benzenoid
  • Para-dioxin
  • Monocyclic benzene moiety
  • Vinylogous acid
  • Secondary alcohol
  • Ketone
  • Polyol
  • Organoheterocyclic compound
  • Ether
  • Oxacycle
  • Alcohol
  • Organooxygen compound
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Primary alcohol
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point167 °CNot Available
Boiling Point793.03 °C. @ 760.00 mm Hg (est)The Good Scents Company Information System
Water Solubility77.36 mg/L @ 25 °C (est)The Good Scents Company Information System
LogP4.232 (est)The Good Scents Company Information System
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular Locations
  • Cytoplasm
  • Extracellular
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 IDFDB002476
KNApSAcK IDC00001003
Chemspider ID5024
KEGG Compound IDC07610
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem CompoundNot Available
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1108841
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Zi X, Zhang J, Agarwal R, Pollak M: Silibinin up-regulates insulin-like growth factor-binding protein 3 expression and inhibits proliferation of androgen-independent prostate cancer cells. Cancer Res. 2000 Oct 15;60(20):5617-20. [PubMed:11059749 ]
  2. Singh RP, Dhanalakshmi S, Agarwal C, Agarwal R: Silibinin strongly inhibits growth and survival of human endothelial cells via cell cycle arrest and downregulation of survivin, Akt and NF-kappaB: implications for angioprevention and antiangiogenic therapy. Oncogene. 2005 Feb 10;24(7):1188-202. [PubMed:15558015 ]
  3. Singh RP, Deep G, Blouin MJ, Pollak MN, Agarwal R: Silibinin suppresses in vivo growth of human prostate carcinoma PC-3 tumor xenograft. Carcinogenesis. 2007 Dec;28(12):2567-74. Epub 2007 Oct 4. [PubMed:17916909 ]
  4. Yoo HG, Jung SN, Hwang YS, Park JS, Kim MH, Jeong M, Ahn SJ, Ahn BW, Shin BA, Park RK, Jung YD: Involvement of NF-kappaB and caspases in silibinin-induced apoptosis of endothelial cells. Int J Mol Med. 2004 Jan;13(1):81-6. [PubMed:14654975 ]
  5. Zeng J, Sun Y, Wu K, Li L, Zhang G, Yang Z, Wang Z, Zhang D, Xue Y, Chen Y, Zhu G, Wang X, He D: Chemopreventive and chemotherapeutic effects of intravesical silibinin against bladder cancer by acting on mitochondria. Mol Cancer Ther. 2011 Jan;10(1):104-16. doi: 10.1158/1535-7163.MCT-10-0577. [PubMed:21220495 ]
  6. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .