Antinocieptive activity of Toddalia asiatica (L) Lam. in models of central and peripheral pain

Citation:
Yenesew A. "Antinocieptive activity of Toddalia asiatica (L) Lam. in models of central and peripheral pain." Phytopharmacology . 2012;3(1):122-129.

Abstract:

Toddalia asiatica within the context of traditional African medicine is a commonly used medicinal plant in East Africa for the management of pain and inflammatory conditions. It is used by the Masai in both Kenya and Tanzania for management of rheumatism among others. The present study was undertaken to investigate the antinociceptive activities of T. asiatica in Swiss albino mice in acetic acid-induced writhing, tail-flick and hot plate pain tests. The extract solvent (vehicle), morphine and aspirin were employed as negative and positive controls respectively. The acetic acid -induced writhing test was used as the screening test and as the root bark extract was found to be more potent than the leaf extract, the former was investigated using the hot plate and the tail flick tests. The root bark extract (200 mg / kg) showed highly significant (p < 0.001) antinociceptive activity in the hot plate and the tail flick tests. The 100mg/kg dose showed significant (p < 0.05) activity in the tail flick test but not significant in the hot plate test. The present study, therefore lends support to the anecdotal evidence for use of T. asiatica in the management of painful conditions.

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