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ORIGINAL ARTICLE
Year : 2016  |  Volume : 37  |  Issue : 2  |  Page : 140-144

Evaluation of analgesic and antipyretic activities of Mahanimba (Melia azedarach Linn.) leaf and root powder


1 Department of Dravyaguna, Institute for Postgraduate Teaching and Research in Ayurveda, Gujarat Ayurved University, Jamnagar, Gujarat, India
2 Department of Pharmacology Laboratory, Institute for Postgraduate Teaching and Research in Ayurveda, Gujarat Ayurved University, Jamnagar, Gujarat, India

Correspondence Address:
Shweta Vekariya
Department of Dravyaguna, Institute for Postgraduate Teaching and Research in Ayurveda, Gujarat Ayurved University, Jamnagar - 361 008, Gujarat
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ayu.AYU_69_15

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Introduction: Mahanimba (Melia azedarach Linn.) is a deciduous tree of family Meliaceae and its root is mainly used in painful condition such as Gridhrasi (sciatica) in Ayurveda. Ethnomedicinal claims indicate that its leaves are used to treat fever, but its medicinal activities have not been proven by research. Aim: This study was aimed to evaluate the potential analgesic and antipyretic activities of M. azedarach L. leaf powder (MLP) and M. azedarach L. root powder (MRP). Materials and Methods: The root and leaves of M. azedarach were made into powder using guidelines mentioned in the Ayurvedic Pharmacopoeia of India. The analgesic activity of the test drugs was evaluated against acetic acid-induced writhing test in mice and radiant heat-induced pain in albino rats, and antipyretic activity was evaluated against Brewer's yeast-induced pyrexia using Charles Foster rats. Results: In acetic acid induced writhing in mice, the test drugs MRP (1.3mg/kg) exhibit insignificant reduction in writhing reflex while MLP (1.3mg/kg) did not show any significant effect in comparison to the control group. MRP showed mild-to-moderate insignificant increase in latency of withdrawal response at 60 (26.74*) and 120 min (27.25*), while MLP did not show central analgesic effect in radiant heat model in rats. MRP showed a significant reduction in rectal temperature after 3 and 6 h, while MLP-treated group showed significant reduction after 6 h. Conclusion: MRP has mild-to-moderate peripheral and central analgesic effects, while MLP has not shown significant analgesic effects in both the experimental models. MRP has more pronounced antipyretic effect compared to MLP.


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