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Revista Brasileira de Farmacognosia

Print version ISSN 0102-695X


LIMA, Gabrielle M. et al. Assessment of antinociceptive and anti-inflammatory activities of Porophyllum ruderale (Jacq.) Cass., Asteraceae, aqueous extract. Rev. bras. farmacogn. [online]. 2011, vol.21, n.3, pp.486-490.  Epub Apr 01, 2011. ISSN 0102-695X.

The present work investigated the antinociceptive and antiinflammatory activities of the Porophyllum ruderale (Jacq.) Cass., Asteraceae, aqueous extract (PRAE). For this purpose, acetic acid writhing, paw licking induced by formalin, hot-plate and pleurisy tests were performed. The doses of 100, 200 and 400 mg/kg (p.o.) significantly inhibited the writhing 63.4, 89.6 and 94.8%, respectively, in comparison with control group. The lick of the paw 1st phase was reduced at the dose of 400 mg/ kg (24.9%), while the 2nd phase had reduction at doses 200 and 400 mg/ kg (23.1 and 34.4%), respectively. The PRAE inhibited the carrageenaninduced neutrophil migration to the peritoneal cavity in a higher dose (p<0.05). Taken together, our results suggest that the PRAE can constitute target potential for use in therapies of the pain and inflammation.

Keywords : Porophyllum ruderale; medicinal plant; antinociceptive activity; anti-inflammatory activity.

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