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J Environ Biol ; 2006 Jan; 27(1): 93-5
Article Dans Anglais | IMSEAR | ID: sea-113861

Résumé

In vivo cytogenetic assay in Allium cepa root tip cells has been carried out to detect the modifying effect of Ocimum sanctum aqueous leaf extract against chromium (Cr) and mercury (Hg) induced genotoxicity. It was observed that the roots post-treated with the leaf extract showed highly significant (p < 0.001) recovery in mitotic index (MI) and chromosomal aberrations (CA) when compared to pre-treated (Cr/Hg) samples and the lower doses of the leaf extract were found to be more effective than higher doses. The present study reveals that the Ocimum sanctum leaf extract possesses the protective effect against Cr/Hg induced genetic damage.


Sujets)
Allium/effets des médicaments et des substances chimiques , Chrome/toxicité , Aberrations des chromosomes/effets des médicaments et des substances chimiques , Mercure/toxicité , Méristème/effets des médicaments et des substances chimiques , Index mitotique , Ocimum/composition chimique , Extraits de plantes/pharmacologie , Feuilles de plante/composition chimique , Racines de plante/effets des médicaments et des substances chimiques
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