piper methysticum/antalgique

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Piper methysticum (kava kava).

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Piper methysticum (kava kava) is a plant native to the Pacific Island region, and has been used ceremonial for thousands of years. The active ingredients are a group of substances know as kava lactones (AKA kava pyrones). Four lactones in kava have been found to have significant analgesic and

Kavain analogues as potential analgesic agents.

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BACKGROUND Kavalactones are pharmacologically active compounds present in preparations of the root trunk of Piper methysticum Forst, known as kava. This work describes the analgesic activity of some synthesized analogues of synthetic kavain, which is the main component of kava. METHODS The essays

Behavioral and physiological effects of acute and chronic kava exposure in adult zebrafish.

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Kava kava (Piper methysticum) is a medicinal plant containing kavalactones that exert potent sedative, analgesic and anti-stress effects. However, their pharmacological effects and molecular targets remain poorly understood. The zebrafish (Danio rerio) has recently emerged as a powerful new model

Plants and the central nervous system.

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This review article draws the attention to the many species of plants possessing activity on the central nervous system (CNS). In fact, they cover the whole spectrum of central activity such as psychoanaleptic, psycholeptic and psychodysleptic effects, and several of these plants are currently used

Effects of kawain and dihydromethysticin on field potential changes in the hippocampus.

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1. The kava-pyrones kawain and dihydromethysticin are constituents of Piper methysticum which exert anticonvulsant, analgesic and anxiolytic properties. 2. In the present study the effect of these kava-pyrones were tested on field potential changes (fp) induced by omission of the extracellular Mg2+,

Kava consumption and its health effects.

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Sakau or Kava is a psychoactive beverage used ceremonially for thousands of years by Pacificans Kava beverage is made from the root of the pepper plant, Piper methysticum. It contains herbal ingredients for reliving anxiety and tension. The Kava's biological effects is due to a mixture of compounds

Kava pyrones exert effects on neuronal transmission and transmembraneous cation currents similar to established mood stabilizers--a review.

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1. Antiepileptic drugs that are successful as mood stabilizers, e.g. carbamazepine, valproate and lamotrigine, exhibit a characteristic pattern of action on ion fluxes. As a common target, they all affect Na+- and Ca2+ inward and K+ outward currents. 2. Furthermore, they have a variety of

Therapeutic potential of kava in the treatment of anxiety disorders.

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Anxiety disorders are among the most common psychiatric disorders that affect all age groups of the general population. Currently, the preferred treatment is with pharmacological drugs that have antidepressant or anti-anxiety properties. However, these agents have numerous and often serious adverse

Effects of (+/-)-kavain on voltage-activated inward currents of dorsal root ganglion cells from neonatal rats.

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Kava pyrones extracted from pepper Piper methysticum are pharmacologically active compounds. Since kava pyrones exhibit anticonvulsive, analgesic and centrally muscle relaxing properties, the influence of a synthetic kava pyrone, (+/-)-kavain, on voltage-dependent ion channel currents was studied.

(+/-)-Kavain inhibits veratridine-activated voltage-dependent Na(+)-channels in synaptosomes prepared from rat cerebral cortex.

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Kava pyrones are pharmacologically active compounds extracted from Piper methysticum Forst. Because kava pyrones were characterized by their anticonvulsive, analgesic and centrally muscle relaxing action, we investigated the influence of (+/-)-kavain, a synthetic kava pyrone, on

The biosynthetic origin of psychoactive kavalactones in kava.

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Kava (Piper methysticum) is an ethnomedicinal shrub native to the Polynesian islands with well-established anxiolytic and analgesic properties. Its main psychoactive principles, kavalactones, form a unique class of polyketides that interact with the human central nervous system through mechanisms

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