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 SHORT COMMUNICATION
Year : 2011  |  Volume : 43  |  Issue : 6  |  Page : 699-702

Sedative and antiepileptic effects of Anthocephalus cadamba Roxb. in mice and rats


1 Department of Pharmacology, Sree Siddaganga College of Pharmacy, Tumkur, Karnataka, India
2 Department of Quality Assurance, Sree Siddaganga College of Pharmacy, Tumkur, Karnataka, India

Correspondence Address:
Basavaraj D Shivasharan
Department of Pharmacology, Sree Siddaganga College of Pharmacy, Tumkur, Karnataka
India
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Source of Support: Vision Group on Science and Technology, Government of Karnataka, Conflict of Interest: None


DOI: 10.4103/0253-7613.89829

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Objective : The aim of the present study was to evaluate the sedative and antiepileptic activities of ethanolic extract of Anthocephalus cadamba (ACE) bark in various experimental animal models. Materials and Methods : ACE was tested at three doses viz. 100, 200 and 400 mg/kg p.o. We used ketamine-induced sleeping time model to test the sedative property of the extract where, onset and duration of sleep were observed. A paradigm of anticonvulsant models (pentylenetetrazole, isoniazid and maximal electroshock-induced seizures) were used to evaluate its protective effect against absence and generalized types of seizures. Onset of clonic convulsions, tonic extension and time of death were observed in PTZ and INH-induced seizure models. In MES model, duration of tonic hind leg extension and onset of stupor were observed. Results : ACE showed significant increase in ketamine induced sleeping time. It also exhibited significant increase (P<0.05, 0.01 and 0.001) in latency to clonic convulsion, tonic extension and time of death in PTZ and INH models at all tested doses, whereas in the MES model, the lower dose was found to be effective when compared with the higher doses (200 and 400 mg/kg, p.o.). Conclusion : The results of the present investigation demonstrated that ACE possesses sedative and antiepileptic activities.






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