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Acta toxicológica argentina
On-line version ISSN 1851-3743
Abstract
LEITE, Nadghia F et al. Citoprotective effect of Eugenia jambolana and Psidium myrsinites DC. A. against the lipid peroxidation induced by iron II. Acta toxicol. argent. [online]. 2016, vol.24, n.3, pp.187-192. ISSN 1851-3743.
The evaluation of the antioxidant activity has been a relevant and important issue to human health. Recent studies show that the use of plants juices or teas as sources of natural antioxidants, which can be used as an adjuvant in the treatment of several diseases. In this context, was evaluated the in vitro antioxidant potential of the extracts of Psidium myrsinites DC. and Eugenia jambolana Lam. The total of phenols and flavonoids were quantified in the extracts. Lipid peroxidation was evaluated by the technique of TBARS (thiobarbituric acid reactive substances). According to the results, was showed a better antioxidant activity in the extract of Psidium myrsinites DC. A. In the TBARS assay with egg phospholipid the extracts reduced the basal levels in the process of lipid peroxidation and the IC50 of ethanol extract of Eugenia jambolana (EEFEJ) showed the best results with a lower value of IC50 compared with hydroethanol extract of Psidium mirsinites, demonstrating be more effective. Therefore, through these tests can be seen that extracts from the leaves of the species, Eugenia and Psidium jambolana Lam myrsinites DC. A., exhibit antioxidant activity, directly related phenolic substances produced from the secondary metabolism.
Keywords : Eugenia jambolana Lam; Psidium myrsinites DC. A; Heavy metals; Antioxidant.