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Year : 2002  |  Volume : 34  |  Issue : 4  |  Page : 251-255

Anticonvulsant activity of roots and rhizomes of Glycyrrhiza glabra

Correspondence Address:
D Ambawade Shirish

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Source of Support: None, Conflict of Interest: None

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Objective: To study the anticonvulsant activity of ethanolic extract of Glycyrrhiza glabra in albino rats and mice. Methods: The anticonvulsant activity of ethanolic extract of roots and rhizomes of Glycyrrhiza glabra (10, 30, 100 and 500 mg/kg, i.p.) in mice was assessed using maximum electroshock seizure (MES) test and pentylenetetrazol (PTZ) using albino mice. The lithium-pilocarpine model of status epilepticus was also used to assess the anticonvulsant activity in rats. Results: The ethanolic extract of G. glabra did not reduce the duration of tonic hindleg extension in the MES test even in the dose of 500 mg/kg. However, the extract significantly and dose-dependently delayed the onset of clonic convulsions induced by pentylenetetrazol. The dose of 100 mg/kg afforded protection to all animals. The extract also protected rats against seizures induced by lithium-pilocarpine. Conclusion: The ethanolic extract of G. glabra inhibits PTZ and lithium-pilocarpine-induced convulsions but not MES-induced


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