Antipyretic and anticonvulsant activity of n-hexane fraction of Viola betonicifolia

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Abstract

Objective: To investigate the antipyretic and anticonvulsant activities of n-hexane fraction of Viola betonicifolia (V. betonicifolia). Methods: The antipyretic effect was scrutinized using brewer's yeast induced pyrexia and anticonvlsion effect was tested using pentylenetetrazol and strychnine induced convulsion in mice. Results: N-hexane fraction of V. betonicifolia demonstrated highly significant antipyretic activity during various assessment times (1-5 h) when challenged in yeast induced pyrexia test. The effect was in a dose dependent manner with maximum attenuation (82.50%) observed at 300 mg/kg i.p. When tested in pentylenetetrazol induced convulsion test, the 1st stage (Ear and facial twitching) and 2nd stage (Convulsive wave through the body) was 100% protected during 24 h at all the test doses (300, 400 and 500 mg/kg i.p.), while the latency time of remaining stages was significantly increased. The maximum effect was observed by n-hexane fraction of V. betonicifolia at 400 and 500 mg/kg i.p., as the latency time for generalized clonic-tonic seizure (5th stage) was increased up to 25.34 min. However, n-hexane fraction of V. betonicifolia had no protection in strychnine induced convulsion test. Conclusions: In conclusion, phytopharmacological studies provide scientific foundation to the folk uses of the plant in the treatment of pyrexia and neurological disorders. © 2013 Asian Pacific Tropical Biomedical Magazine.

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APA

Muhammad, N., Saeed, M., Khan, H., Raziq, N., & Halimi, S. M. A. (2013). Antipyretic and anticonvulsant activity of n-hexane fraction of Viola betonicifolia. Asian Pacific Journal of Tropical Biomedicine, 3(4), 280–283. https://doi.org/10.1016/S2221-1691(13)60063-5

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