piper methysticum root

actiphyte of kava kava root kava root kava-kava root root of the kawa-kawa, piper methysticum, piperaceae PubMed: Flavokawains B and C, melanogenesis inhibitors, isolated from the root of Piper methysticum and synthesis of analogs. PubMed: Kavain analogues as potential analgesic agents. PubMed: Pacific island 'Awa (Kava) extracts, but not isolated kavalactones, promote proinflammatory responses in model mast cells. PubMed: Kava: a comprehensive review of efficacy, safety, and psychopharmacology. PubMed: Flavokawain B, the hepatotoxic constituent from kava root, induces GSH-sensitive oxidative stress through modulation of IKK/NF-kappaB and MAPK signaling pathways. PubMed: Final report on the safety assessment of Piper methysticum leaf/root/stem extract and Piper methysticum root extract. PubMed: Formulations of dietary supplements and herbal extracts for relaxation and anxiolytic action: Relarian. PubMed: Is the alkaloid pipermethystine connected with the claimed liver toxicity of Kava products? PubMed: Kava consumption and its health effects. PubMed: Evaluation of commercial kava extracts and kavalactone standards for mutagenicity and toxicity using the mammalian cell gene mutation assay in L5178Y mouse lymphoma cells. PubMed: In vitro cytotoxicity of nonpolar constituents from different parts of kava plant (Piper methysticum). PubMed: Extracts and kavalactones of Piper methysticum G. Forst (kava-kava) inhibit P-glycoprotein in vitro. PubMed: Determination of six kavalactones in dietary supplements and selected functional foods containing Piper methysticum by isocratic liquid chromatography with internal standard. PubMed: Analysis of plant extracts by NIRS: simultaneous determination of kavapyrones and water in dry extracts of Piper methysticum Forst. PubMed: Simultaneous determination of the inhibitory potency of herbal extracts on the activity of six major cytochrome P450 enzymes using liquid chromatography/mass spectrometry and automated online extraction. PubMed: Effects of kava (Kava-kava, 'Awa, Yaqona, Piper methysticum) on c-DNA-expressed cytochrome P450 enzymes and human cryopreserved hepatocytes. PubMed: Kava does not display metabolic toxicity in a homogeneous cellular assay. PubMed: Extracts of kava (Piper methysticum) induce acute anxiolytic-like behavioral changes in mice. PubMed: Hepatitis induced by Kava (Piper methysticum rhizoma). PubMed: Acute hepatitis induced by kava kava. PubMed: Kavain attenuates vascular contractility through inhibition of calcium channels. PubMed: Densitometric analysis of kawain in kava-kava root extracts. PubMed: Kavalactones from Piper methysticum, and their 13C NMR spectroscopic analyses. PubMed: Kava pyrones exert effects on neuronal transmission and transmembraneous cation currents similar to established mood stabilizers--a review. PubMed: Interaction of various Piper methysticum cultivars with CNS receptors in vitro. PubMed: Inhibition of haloperidol-induced catalepsy in rats by root extracts from Piper methysticum F. PubMed: [Treatment with Kava--the root to ocombat stress]. PubMed: Effects of (+/-)-kavain on voltage-activated inward currents of dorsal root ganglion cells from neonatal rats. PubMed: Kava dermopathy. PubMed: Identification by methane chemical ionization gas chromatography/mass spectrometry of the products obtained by steam distillation and aqueous acid extraction of commercial Piper methysticum.