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ANTI-INFLAMMATORY, ANALGESIC AND ANTIPYRETIC ACTIVITIES OF THE AQUEOUS METHANOLIC EXTRACT OF BERBERIS CALLIOBOTRYS IN ALBINO MICE.

The aqueous methanolic extract of stem part of Berberis calliobotiys (AMEBC) was evaluated for anti-inflammatory, analgesic and antipyretic activities in albino mice. Anti-inflammatory activity was evaluated by using carrageenan and albumin induced paw edema, while the analgesic effect was assessed by using formalin-induced paw licking and acetic acid induced abdominal writhing in mice. The brewer's yeast-induced pyrexia model was used for antipyretic investigation. Ibuprofen (40 mg/kg) was used as a standard drug in all the three models. The aqueous methanolic extract at both (250 mg/kg and 500 mg/kg) doses, showed highly significant (p < 0.001) reduction in paw edema induced by carrageenan and albumin. Moreover, the aqueous methanolic extract also highly significantly (p < 0.001) reduced (87%) the formalin-induced paw licking at 500 mg/kg. The highly significant (p < 0.001) reductions (24.48% and 37.9%) was also observed in the number of writhings. Furthermore, aqueous methanolic extract also demonstrated significant (p < 0.001) antipyretic activity against yeast induced pyrexia. The maximum effect was observed in all the three parameters at 500 mg/kg dose. The results suggest a potential benefit of the aqueous methanolic extract of Berbeis calliobotrys in treating conditions associated with inflammation, pain and fever.