Some pharmacological effects of the ethanol extract of leaves of Annona diversifolia on the central nervous system in mice
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González-Trujano, ME
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机构:Univ Nacl Autonoma Mexico, Fac Quim, Dept Farm, Mexico City 04510, DF, Mexico
González-Trujano, ME
Navarrete, A
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Univ Nacl Autonoma Mexico, Fac Quim, Dept Farm, Mexico City 04510, DF, MexicoUniv Nacl Autonoma Mexico, Fac Quim, Dept Farm, Mexico City 04510, DF, Mexico
Navarrete, A
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Reyes, B
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机构:Univ Nacl Autonoma Mexico, Fac Quim, Dept Farm, Mexico City 04510, DF, Mexico
Reyes, B
Hong, E
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机构:Univ Nacl Autonoma Mexico, Fac Quim, Dept Farm, Mexico City 04510, DF, Mexico
Hong, E
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[1] Univ Nacl Autonoma Mexico, Fac Quim, Dept Farm, Mexico City 04510, DF, Mexico
[2] Univ Autonoma Chapingo, Are Quim, Lab Prod Nat, Mexico City 56230, DF, Mexico
In the present study we investigated some neuropharmacological effects of the ethanol extract of the leaves of Annona diversifolia (Annonaceae). Intraperitoneal administration of the extract delayed the onset of clonic seizures induced by pentylenetetrazole and delayed the time in the 'rota-rod' and 'swimming' test. In addition, the extract augmented the duration of sleeping time induced by sodium pentobarbital. These results indicate that the ethanol extract of the leaves of A. diversifolia has depressant activity on the central nervous system. (C) 1998 John Wiley & Sons, Ltd.