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Objective:To evaluate the acute toxicity and to investigate the effect of Premna corymbosa ethanolic extract(PCEE) at doses of 200 and 400 mg /kg body weight in acute and chronic models of inflammation in experimental animals.Methods:In the acute toxicity study,a single dose of PCEE of 2 000 mg/kg body weight,p.o.was administered and observed for 48 h.In acute models as egg albumin induced paw edema and chronic model as cotton pellet methods was followed. Results:In acute models,egg albumin induced paw edema PCEE significantly(P<0.01) inhibited the edema formation.In chronic model,cotton pellet induced granuloma formation in rats PCEE significantly(P<0.01) reduced the granuloma formation with percentage inhibition of 35.17%and 50.38%respectively.Conclusions:The present study establishes the antiinflammatory activity of Premna corymbosa leaves.
Objective: To evaluate the acute toxicity and to investigate the effect of Premna corymbosa ethanolic extract (PCEE) at doses of 200 and 400 mg / kg body weight in acute and chronic models of inflammation in experimental animals. Methods: In the acute toxicity study, A single dose of PCEE of 2 000 mg / kg body weight, powas administered and observed for 48 h. In asepsis models as egg albumin induced paw edema and chronic model as cotton pellet methods was followed. induced paw edema PCEE significantly (P <0.01) inhibited the edema formation in chronic model, cotton pellet induced granuloma formation in rats PCEE significantly (P <0.01) reduced the granuloma formation with percentage inhibition of 35.17% and 50.38% respectively. Conclusions: The present study establishes the antiinflammatory activity of Premna corymbosa leaves.