Anti-inflammatory and analgesic activity of Peperomia pellucida (L.) HBK (Piperaceae)

Maria de Fátima Arrigoni-Blank, Elena G Dmitrieva, Elaine Maria Franzotti, Angelo Roberto Antoniolli, Márcio Roberto Andrade, Murilo Marchioro
Journal of Ethnopharmacology 2004, 91 (2): 215-8
An aqueous extract of the aerial part of Peperomia pellucida (L.) HBK (Piperaceae) was tested for anti-inflammatory (paw edema induced by carrageenin and arachidonic acid) and analgesic activity (abdominal writhes and hot plate) in rats and mice, respectively. Oral administration of 200 and 400 mg/kg of the aqueous extract exhibited an anti-inflammatory activity in the carrageenin test, which was based on interference with prostaglandin synthesis, as confirmed by the arachidonic acid test. In the abdominal writhing test induced by acetic acid, 400 mg/kg of the plant extract had the highest analgesic activity, whereas in the hot-plate test the best dose was 100 mg/kg. The LD(50) showed that Peperomia pellucida (5000 mg/kg) presented low toxicity.

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