Genotoxicity investigation of araticum (Annona crassiflora Mart., Annonaceae) using SOS-Indutest and Ames test.
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2011-02
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Although the use of medicinal plants or natural products has increased in recent decades all over the world, little information is available on their potential risk to health. Annona crassiflora Mart., a plant commonly known as araticum in Brazil, has been widely used in folk medicine for a long time since its seeds and leaves are often utilised in the treatment of cancer, snake bites, and venereal diseases, its fruits are consumed as tonic and astringent, and its bark powder has anti-fungal and anti-rheumatic properties. To evaluate the genotoxic and mutagenic properties induced by the ethanolic extract of araticum leaves, we performed the prophage λ induction (Inductest) and bacterial mutagenicity assays. We used Escherichia coli WP2s(λ) and RJF013 strains in the lysogenic induction test, whereas the mutagenic studies were carried out using Salmonella typhimurium histidine auxotroph strains TA97a, TA98, TA100, and TA102. Each experiment was performed three times in duplicate and included positive and negative controls. No statistically significant (p > 0.05) positive results were obtained for any of the strains tested, which suggests that the ethanolic extract of araticum leaves did not exhibit direct mechanisms of genotoxicity or mutagenicity that could be detected by the tests used in the present work.
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Annona crassiflora, Araticum, Genotoxicidade, Mutagenicidade, Induteste, Teste de Ames, Annona crassiflora, Araticum, Genotoxicity, Mutagenicity, Inductest, Ames test
Citação
VILAR, J. B.; FERRI, P. H.; CHEN-CHEN, L. Genotoxicity investigation of araticum (Annona crassiflora Mart., Annonaceae) using SOS-Indutest and Ames test. Brazilian Journal of Biology, São Carlos, v. 71, n. 1, p. 197-202, Feb. 2011.