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|Title:||Evaluation of anti-inflammatory, analgesic, and antipyretic activities of Pseuderanthemum palatiferum|
|Abstract:||© 2019, CMU J. Nat. Sci. The objectives of this study were to evaluate the anti-inflammatory, analgesic, and antipyretic activities of water extract from fresh leaves of Pseuderanthemum palatiferum (WEPP).The anti-inflammatory activity of WEPP was evaluated in ethylphenylpropiolate (EPP)-induced ear edema, carrageenan-induced paw edema, arachidonic acid (AA)-induced paw edema, and cotton pellet-induced granuloma experiments. Acetic acid-induced writhing and tail-flick experiments were conducted to evaluate analgesic activity. Finally, antipyretic activity was evaluated in yeast-induced hyperthermia model. WEPP showed the anti-inflammatory activity and the analgesic activity but without antipyretic property. WEPP (2 mg/ear) significantly inhibited edema thickness induced by EPP (75%). Oral administration of WEPP (600 mg/kg) significantly inhibited paw edema induced by carrageenan (57%), and arachidonic acid (47%). WEPP (600 mg/kg) did not significantly reduce the transudative weight, granuloma weight, and alkaline phosphatase activity in cotton pellet-induced granuloma formation model. The anti-inflammatory property of WEPP demonstrated on the acute phase and not on the chronic phase of inflammation. WEPP oral administration (150, 300, and 600 mg/kg) significantly reduced the writhing response induced by acetic acid by 21%, 57%, and 79%, respectively. In tail-flick test, WEPP slightly increased the reaction time of rats (25%). The analgesic activity of WEPP may act via peripheral pathway. The antipyretic effect of WEPP (600 mg/kg) was not observed in yeast-induced hyperthermia model. WEPP displays an anti-inflammatory effect and has a prominent analgesic effect on the peripheral system.|
|Appears in Collections:||CMUL: Journal Articles|
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