Abstract
Aim of the study was to screen the Lepidagathis cristata Willd, flower extracts for analgesic activity. In the present study the analgesic activity of flower extracts was performed. The methanolic, ethyl acetate, chloroform extracts were prepared and were used for analgesic activity in two dose level of 200 and 400mg/kg body weight in two screening methods, Hot Plate (n=5) and Tail Immersion method (n=5). The flower extracts showed significant analgesic activity. The plant extracts did not exhibit any mortality up to the dose level 4000mg/kg. The methanol, chloroform and ethyl acetate extracts of flower was evaluated for analgesic activity. The flower ethyl acetate extract of Lepidagathis cristata showed 47% and 57.1% activity at 200 and 400mg/kg.b.wt, after 30 min by Eddy’s Hot plate Method respectively. The flower chloroform extract showed 43.7% and 44.7% protection at 200, 400mg/kg respectively. The flower methanol, chloroform and ethyl acetate extracts showed dose dependent analgesic activity in thermal models. The flower ethylacetate extract has maximum analgesic activity with 57.1% (p < 0.001).
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