Dihydromethysticin

Dihydromethysticin is one of the six major kavalactones found in the kava plant.[1]

Dihydromethysticin
Names
IUPAC name
(2S)-2-[2-(1,3-benzodioxol-5-yl)ethyl]-4-methoxy-2,3-dihydropyran-6-one
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
MeSH C107882
UNII
Properties
C15H16O5
Molar mass 276.28 g/mol
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

Pharmacology

Dihydromethysticin has marked activity on the induction of CYP3A23, as does the related chemical desmethoxyyangonin.[2]

Both dihydromethysticin and methysticin induce the hepatic enzyme CYP1A1, which increases the amount of the very highly carcinogenic benzo[a]pyrene-7,8-dihydrodiol-9,10-epoxide in the body (via the metabolism of benzo[a]pyrene) and may be responsible for some of the toxic effects associated with kava consumption.

Metabolism of benzo[a]pyrene yielding the carcinogenic benzo[a]pyren-7,8-dihydrodiol-9,10-epoxide.

In vitro, dihydromethysticin possesses analgesic, anticonvulsant, and anxiolytic effects.[3] It has been found to act as a GABAA receptor positive allosteric modulator and as an reversible inhibitor of monoamine oxidase B.[4][5]

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gollark: <@!383017585584766977> You know how you said that arbitrary prefixes in dragons' names like "EST" for estonian make them more trade-valuable?https://dragcave.net/lineage/dIlR0
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References
  1. Malani, Joji (2002-12-03). "Evaluation of the effects of Kava on the Liver" (PDF). Fiji School of Medicine. Archived from the original (PDF) on 2009-03-20. Retrieved 2009-09-04.
  2. Ma, Yuzhong; Karuna Sachdeva; Jirong Liu1; Michael Ford; Dongfang Yang; Ikhlas Khan; Clinton Chichester; Bingfang Yan (November 2004). "Desmethoxyyangonin and dihydromethysticin are two major pharmacological kavalactones with marked activity on the induction of CYP3A23". Drug Metabolism and Disposition. 32 (11): 1317–1324. doi:10.1124/dmd.104.000786. PMID 15282211.
  3. Walden J, von Wegerer J, Winter U, Berger M, Grunze H (May 1997). "Effects of kawain and dihydromethysticin on field potential changes in the hippocampus". Progress in Neuro-psychopharmacology and Biological Psychiatry. 21 (4): 697–706. doi:10.1016/s0278-5846(97)00042-0. PMID 9194150.
  4. Sarris, Jerome; Laporte, Emma; Schweitzer, Isaac (2011). "Kava: A Comprehensive Review of Efficacy, Safety, and Psychopharmacology". Australian & New Zealand Journal of Psychiatry. 45 (1): 27–35. doi:10.3109/00048674.2010.522554. PMID 21073405.
  5. Singh YN, Singh NN (2002). "Therapeutic potential of kava in the treatment of anxiety disorders". CNS Drugs. 16 (11): 731–43. doi:10.2165/00023210-200216110-00002. PMID 12383029.
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