OBJECTIVE: To investigate effects of ethanol extract of Abrus precatorius leaves (EAPL) on egg albumin induced mast cell degranulation in mice and passive cutaneous anaphylaxis in rats. METHODS: In present study ethanol extract of Abrus precatorius leaves (EAPL) at doses of 100, 125, 150 mg/kg i.p were evaluated for preliminary phytochemical screening, acute toxicity studies and egg albumin induced mast cell degranulation in mice and passive cutaneous anaphylaxis in rats. RESULTS: The results of present investigation showed that the LD(50) of EAPL is more than 1 300 mg/kg. EAPL (100-150 mg/kg, i.p.) significantly protect egg albumin induced degranulation of mast cell and inhibit area of leakage of dye in passive cutaneous anaphylaxis. Phytochemical studies observed presence of saponin, alkaloids, flavonoids, and glycosides. CONCLUSIONS: In conclusion EAPL possesses anti asthmatic potential.
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Taur et al. (2011) studied this question.
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