Background:

Desmethoxyyangonin is one of the six major kavalactones found in the Piper methysticum (kava) plant; reversible inhibitor of MAO-B.

[1]. Uebelhack R, et al. Inhibition of platelet MAO-B by kava pyrone-enriched extract from Piper methysticum Forster (kava-kava). Pharmacopsychiatry. 1998 Sep;31(5):187-92. [2]. Baum SS, et al. Effect of kava extract and individual kavapyrones on neurotransmitter levels in the nucleus accumbens of rats. Prog Neuropsychopharmacol Biol Psychiatry. 1998 Oct;22(7):1105-20. [3]. Ma Y, et al. Desmethoxyyangonin and dihydromethysticin are two major pharmacological kavalactones with marked activity on the induction of CYP3A23. Drug Metab Dispos. 2004 Nov;32(11):1317-24.