African Journal of
Biotechnology

  • Abbreviation: Afr. J. Biotechnol.
  • Language: English
  • ISSN: 1684-5315
  • DOI: 10.5897/AJB
  • Start Year: 2002
  • Published Articles: 12486

Full Length Research Paper

Anti-nociceptive, anti-inflammatory and antipyretic effects of the methanolic extract of Bombax buonopozense leaves in rats and mice

G. C. Akuodor1*, M. Idris Usman1, J. A. Ibrahim2, K. C. Chilaka3, J. L. Akpan4, S. Dzarma1, I. Muazzam2 and U. A. Osunkwo1
1Depatment of Pharmacology and Toxicology, National Institute for Pharmaceutical Research and Development (NIPRD), P.M.B. 21, Garki, Abuja, Nigeria. 2Department of Medicinal Plant Research and Traditional Medicine, National Institute for Pharmaceutical Research and Development (NIPRD), P.M.B. 21, Garki, Abuja, Nigeria. 3Department of Pharmacology and Therapeutics, Faculty of Medicine, Nnamdi Azikiwe University, Awka, Nigeria. 4Department of Pharmacology and Therapeutics, Faculty of Clinical Medicine, Ebonyi State University, Abakiliki, Nigeria.
Email: [email protected]

  •  Accepted: 05 January 2010
  •  Published: 18 April 2011

Abstract

Methanolic extract of Bombax buonopozense was evaluated for possible anti-nociceptive, anti-inflammatory and anti-pyretic activities in mice and rats. Acetic acid-induced abdominal constriction test in mice and formalin test in rats were used to investigate the antinociceptive effect of the extract. Studies were carried out on yeast-induced pyrexia and egg albumin-induced anti-inflammatory activity in rats. The extract produced a significant decrease in acetic acid-induced writhing in mice and inhibition of late phase of the formalin pain test in rats. The methanolic extract of B. buonopozense leaf also produced a potent antipyretic effect and significant inhibition of egg albumin-induced anti-inflammatory activity in rats. The result suggests that B. buonopozense contains biologically active substances with potential values for the treatment of fever, painful and inflammatory conditions.

 

Keywords: Bombax buonopozense; analgesic, inflammation, pyrexia.

Abbreviation

NSAID, Non-steriodal anti-inflammatory drug; i.p, intraperitoneally; ASA, acetylsalicylic acid; s.c, subcutaneously; PG, prostaglandin; TNF, tumor necrosis factor.