Abstract
ObjectiveTo screen ethanolic extracts of Manilkara zapota leaves (Family: Sapotaceae) and its different solvent soluble fractions for possible anti-inflammatory, anti-pyretic activities in experimental albino Wistar rats. MethodsAnti-inflammatory activity was evaluated by carrageenan induced paw edema method; anti-pyretic potential was determined by yeast-induced pyrexia method in albino Wistar rats. ResultsIn evaluation of anti-inflammatory activity the crude ethanolic (300 mg/kg) and ethyl acetate extract (300 mg/kg) showed significant inhibition of paw edema by 91.98% and 92.41% (P<0.001) respectively at 4th h compared to standard diclofenac (86.08% inhibition). In anti-pyretic study by yeast-induced pyrexia in albino Wistar rats, the ethanol extract (300 mg/kg) reduced temperature from 37.90 °C to 37.41 °C (P<0.01) and 37.07 °C (P<0.001) in 3rd and 4th h respectively. Similarly, both petroleum ether and ethyl acetate fractions exhibited significant anti-pyretic property (P<0.001). The maximum body temperature lowering effect (36.86 °C) was noticed by petroleum ether fraction. ConclusionsThe findings of the studies demonstrated both anti-inflammatory and anti-pyretic activities of the leaves of Manilkara zapota which could be the therapeutic option against inflammatory disease and pyrexia.
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