Antinociceptive Effect of Ethanolic Extract of Hybanthus enneaspermus Leaf in Rats
Journal Title: Journal of Advances in Medicine and Medical Research - Year 2014, Vol 4, Issue 1
Abstract
Aims: To test the hypothesis that Hybanthus enneaspermus leaf has an antinociceptive effect. Methodology: Seventy-two male rats were randomly divided in a blinded fashion into 4 groups each for the tail immersion test (n=12 per group) and formalin test (n=6 per group). Group 1 (control) received 0.6 ml of distilled water. Group 2 received 100 mg/kg of acetaminophen (paracetamol). Group 3 and 4 received 500 mg/kg and 1000 mg/kg of ethanolic extract of Hybanthus enneaspermus leaf (EEHE) respectively. Results: In the formalin test, oral administration of 500 mg/kg and 1000 mg/kg EEHE caused inhibitions of 62.48% and 72% in the early phase and 70.54% and 78.63% in the late phase respectively. The 1000 mg/kg dose significantly reduced the paw licking time when compared to the standard drug (acetaminophen) in the formalin test. The 500 mg/kg and 1000 mg/kg doses significantly increased the tail flick latency in a manner comparable to acetaminophen. Conclusion: This study showed that the leaf has an anti-nociceptive effect.
Authors and Affiliations
A. O. Afolabi, E. T. Oluwakanmi, H. M. Salahdeen, I. A. Alagbonsi
Keywords
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- EP ID EP348599
- DOI 10.9734/BJMMR/2014/4217
- Views 72
- Downloads 0
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