piper methysticum

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Related to piper methysticum: kava, Hypericum perforatum, Kava Kava
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Roots used as sedative to relax, without disrupting mental abilities. Chewing fresh kava root has the strongest effect,(may numb mouth) much more than old dry powder, but freshly ground is great too. Many people report increased mental clarity, lasting for days, along with a sense of calmness and well being. Roots have also been used for gonorrhea, cystitis, urinary tract infections, menstrual problems, migraine headaches, lower blood pressure, pain reliever, Don’t take long term, possibly bad for liver. Do not take if pregnant, lactating, taking alcohol, medication or suffering from depression.
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However it should be noted that this advantage is tempered by continued concern regarding the hepatotoxic potential of kava preparations (potentially containing flavokawain B) derived from an ethanol extraction of ground Piper methysticum root (Kinrys 2009, Zhou 2010).
The extract was prepared from the rhizome of the kava tropical shrub plant, Piper methysticum, using a methanol extraction method.
Piper methysticum extract (kava kava) possesses numerous therapeutic properties, but it is unknown which of its principle constituents (kavalactones) subserve such effects.
Genetic control of kavalactone chemotypes in Piper methysticum cultivars.
The plant parts used of Piper methysticum (kava kava or kava as it is commonly known) are the root and rhizome (Braun 2007).
Piper methysticum (kava) has been embroiled in controversy over the last few years after concerns of heptotoxicity prompted its withdrawal or restriction in a number of countries including Australia.
Research: Piper methysticum (kava) has been withdrawn in European, British and Canadian markets due to concerns over hepatotoxic reactions.
Highlight of the chemistry and pharmacology of yaqona, Piper methysticum.
a) Piper methysticum may be useful to treat depression but not anxiety.
Although the literature is plenty of data on biological activities of the kava extract and its constituents, isolated from another species of Piper, Piper methysticum, almost no studies are found on Piper tuberculatum.
Spasmolytische Effekte von Dihydromethysticin, einem Wirkstoff aus Piper methysticum Forst.
Inhibition of cytochrome P450 3A4 by extracts and kavalactones of Piper methysticum (Kava-kava).