Dihydromethysticin
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| IUPAC name (2S)-2-[2-(1,3-benzodioxol-5-yl)ethyl]-4-methoxy-2,3-dihydropyran-6-one | |
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| MeSH | C107882 |
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Chemical formula | 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).  N verify (what is  Y N ?) Infobox references | |
Chemical compound
Dihydromethysticin is one of the six major kavalactones found in the kava plant.[1]
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.[citation needed]
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]
References
- ^ 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.
- ^ 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. S2CID 43840844.
{{cite journal}}: CS1 maint: numeric names: authors list (link) - ^ 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. S2CID 34014477.
- ^ 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. S2CID 42935399.
- ^ 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. S2CID 34322458.
External links
Media related to Dihydromethysticin at Wikimedia Commons
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| Kavalactones |
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| Flavokavains | |
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