Detarium senegalense, J.F. Gmelin (Fabaceae) is used in Nigerian folk medicine to treat different diseases including epilepsy, microbial infections, gastrointestinal diseases and inflammation; its efficacy is widely acclaimed among communities in South Eastern Nigeria. The leaf extract (100 mg/kg, 200 mg/kg and 400 mg/kg) was evaluated for its anticonvulsant activity in mice. Three different study models were used; pentylenetetrazole (PTZ), brucine and isoniazid (INH) convulsion methods. The acute toxicity study and the phytochemical analysis of the extract were also determined. The extract produced significant (p<0.05 and p<0.01) dose-dependent delay in onset, frequency and duration of seizures in mice in the three models of convulsion which is comparable to the standard anticonvulsant drug. The oral acute toxicity test was greater than 5000 mg/kg in mice. The phytochemical screening revealed that D. senegalense leaf extract contains bioactive principles that are relevant in the management of seizure disorders. These findings suggest that D. senegalense leaf extract possesses anticonvulsant properties and justifies its use in traditional medicine.
Detarium senegalense, J.F. Gmelin (Fabaceae) is used in Nigerian folk medicine to treat different diseases including epilepsy, microbial infections, gastrointestinal diseases and inflammation; its efficacy is widely acclaimed among communities in South Eastern Nigeria. This study aimed to evaluate the anti-seizure and anti-nociceptive potential of hexane fraction from the leaves of D. senegalense The hexane fraction of D. senegalense leaf was evaluated to determine the effect of the oral administration of the extract (100 – 400 mg/kg) against seizure using the pentylenetetrazole (PTZ), brucine, isoniazid (INH) induced seizure models and analgesic activity using the writhing and water tail immersion tests in mice. The hexane fraction of the extract significantly (p<0.05) increased the latency period in seizures induced by PTZ, brucine and isoniazid, and significantly reduced the duration of seizures induced by these three inducing agents. The extract also protected 67 % of animals against death. In acetic acid-induced writhing models and tail immersion models, the fraction showed a good analgesic effect characterized by a significant (p<0.05 – p<0.01) reduction in the number of writhes when compared to the control and a significant (p<0.05 – p<0.01 increase in the latency in a dose-related manner. The findings of the present study validated the folkloric use of Detarium senegalense leaves in seizure disorders as well as painful conditions.
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