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 RESEARCH ARTICLE
Year : 2015  |  Volume : 47  |  Issue : 3  |  Page : 299-303

Neuropharmacological activities of Taxus wallichiana bark in Swiss albino mice


Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana, India

Correspondence Address:
Prof. Munish Garg
Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana
India
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Source of Support: Financial support from UGC under SAP sanctioned to the department is highly acknowledged., Conflict of Interest: None


DOI: 10.4103/0253-7613.157128

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Aims: The bark of Taxus wallichiana is widely used for preparing a decoction and consumed as a tea by several tribal communities of the Indian subcontinent. The sedative, motor coordination, anxiolytic, and antidepressant effects of the hydroalcoholic extract of T. wallichiana bark and its ethylacetate fraction were evaluated in mice models of behavior analysis. Materials and Methods: The effects were evaluated on diazepam-induced sleeping time, elevated plus maze and light and dark box, and on the forced swimming test. General locomotor activity and motor coordination effects were evaluated in the actophotmeter and rota-rod tests respectively. Statistical Analysis: Results are expressed as mean ± standard error of the mean. Statistical analysis was performed using ANOVA, followed by post-hoc Dunnett's test. *P < 0.05, **P < 0.01, ***P < 0.001 were considered as significant. Results: Both the hydroalcoholic extract and ethylacetate fraction showed a marked decrease in latency of sleep onset, prolonged the diazepam-induced sleeping time, decreased spontaneous locomotor activity; whereas ethylacetate fraction produced anxiolytic and antidepressant activity. Conclusions: Both hydroalcoholic extract and its ethylacetate fraction of the bark of T. wallichiana have bioactive principles, which induce neuropharmacological changes.






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