Flavokavain B

Flavokavain B
Names
Preferred IUPAC name
2′-Hydroxy-4′,6′-dimethoxychalcone
Other names
Flavokawain B
Identifiers
CAS Number
  • 1775-97-9 checkY
3D model (JSmol)
  • Interactive image
Beilstein Reference
2059845
PubChem CID
  • 5356121
UNII
  • R9WC6SM4UQ checkY
CompTox Dashboard (EPA)
  • DTXSID601028794 Edit this at Wikidata
  • O=C(C2=C(O)C=C(OC)C=C2OC)/C=C/C1=CC=CC=C1
Properties
Chemical formula
C17H16O4
Molar mass 284.311 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
Chemical compound

Flavokavain B is a flavokavain found in the kava plant.[1] In 2010 a paper was published identifying it as a glutathione-depleting hepatotoxin.[2]

FKB is said by enthusiasts to occur at higher concentrations in "tudei" kava strains, which are generally considered less desirable.

See also

  • Kavalactone

References

  1. ^ Dharmaratne, H. Ranjith W.; N. P. Dhammika Nanayakkara; Ikhlas A. Khan (February 2002). "Kavalactones from Piper methysticum, and their 13C NMR spectroscopic analyses". Phytochemistry. 59 (4): 429–33. doi:10.1016/S0031-9422(01)00443-5. PMID 11830162.
  2. ^ Zhou P., Gross S., Liu J.-H., Yu B.-Y., Feng L.-L., Nolta J., Sharma V., Piwnica-Worms D., Qiu S.X 'Flavokawain B, the hepatotoxic constituent from kava root, induces GSH-sensitive oxidative stress through modulation of IKK/NF-κB and MAPK signaling pathways . FASEB Journal 2010 24:12 (4722-4732)

External links

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Kava
History
  • Kava
  • Kava culture
  • Coconut shell cup
Chemical composition
Kavalactones
Flavokavains
Other
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Chalconoids and their glycosides
Chalconoids
Chalconoid glycosides
  • Carthamin
  • Marein
  • okanin 3,4,3′-trimethyl ether 4′-glucoside
  • okanin 4-methyl ether 4′-glucoside
  • okanin 4-methyl ether 4′-glucoside monoacetate
  • Okanin 3,4-dimethyl ether 4′-glucoside
Acylated chalconoids
O-methylated chalconoids
  • Cardamomin
  • Flavokawin B
  • Okanin 3,4,3′,4′-tetramethyl ether
  • Pashanone (2',6'-Dihydroxy-3',4'-dimethoxychalcone)
Flavokavains
Synthetic


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