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ABSTRACT

The present study was conducted to evaluate the antinociceptive and anti-inflammatory activities of methanol extract of rachis of Ormosia coccinea (Aubl.) Jacks (MEOC) using animal models of nociception and inflammation. The antinociceptive activity of the extract was assessed using acetic acid-induced abdominal writhing, hot-plate, and formalin tests. Oral administration of MEOC (500 mg/kg) produced significant (p < 0.05) antinociceptive effects when tested in mice using acetic acid-induced abdominal writhing test and on the inflammatory phase of the formalin test. It was also demonstrated that MEOC had no significant effect on the response latency time to the heat stimulus in the thermal model of the hot plate test. The anti-inflammatory activity of the extract was assessed using carrageenan, histamine and serotonin induced oedema in rat paw. The oral administration of MEOC showed maximum inhibition (64.29%) at 1 h on carrageenan edema, but it did not modify the edema induced by histamine and serotonin. The present results suggest that MEOC has a peripheral antinociceptive and anti-inflammatory action.

KEYWORDS

Ormosia coccinea, antinociceptive, anti-inflammatory, fabaceae.

Cite this paper

Díaz, C. M. A., et al. 2017. “Antinociceptive and Anti-inflammatory Activities of Methanol Extract of Ormosia coccinea (Aubl.) Jacks in vivo.” Journal of Pharmacy and Pharmacology 5 (6): 289-298.

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