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Revista Cubana de Plantas Medicinales

versión On-line ISSN 1028-4796

Resumen

PILOTO FERRER, Janet et al. Evaluation of the genotoxic potential of Boerhavia erecta L. Rev Cubana Plant Med [online]. 2006, vol.11, n.1. ISSN 1028-4796.

The mutagenic activity of an aqueous extract of freeze-dried foliage of Boerhavia erecta L. was evaluated. 2 tests were used: Ames' test and micronucleus induction in mouse bone marrow. In Ames' test, the results were negative in all the tested strains of Salmonella typhimurium : TA 1535, TA 1537, TA 98 and TA 100, with a protocol of incorporation to plaque and concentrations up to 5 mg of freeze-dried/plaque. In the micronucleus test, 2 oral doses of 10 mL/kg were administrated separated by 24 hours, with sacrifice 24 hours after the last application. The doses were 500, 1 000 and 2 000 mg of freeze-dried/kg. No variations were observed in the relation between polychromatic erythrocytes and normochromatic erythrocytes, an indicator of medullary toxicity. No significant alterations were observed in the frequency of the micronucleated polychromatic erythrocytes among the different treatment groups. It was proved that the aqueous extract of freeze-dried foliage of B. Erecta does not seem to induce mutagenic effects in the two assay systems where it was assessed.

Palabras clave : Boerhavia erecta L; Ames' test; micronucleus test; genotoxicity.

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