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Revista Cubana de Plantas Medicinales
versão On-line ISSN 1028-4796
Resumo
CARNESOLTAS LAZARO, Deyanira et al. Evaluación genotóxica del extracto acuoso de Rhizophora mangle L. (mangle rojo) mediante el ensayo de la cabeza del espermatozoide. Rev Cubana Plant Med [online]. 2010, vol.15, n.1, pp. 0-0. ISSN 1028-4796.
INTRODUCTION: the aqueous extract bark of Rhizophora mangle L. (red mangrove) has traditionally been used in Cuban folk medicine due to its wide array of curative properties: astringent, haemostatic, febrifuge and antifungal. Previous chemical characterization studies of the liophylized aqueous extract bark, revealed that tannins are the main components, although the presence of other compounds such as epicatechin, catechin, clorogenic, gallic and ellagic acids, as well as galotannins have been also described. OBJECTIVE: this work was designed to determine if any components of the extracts has the ability to produce genotoxic effects in germ cells of Cenp:NMRI mouse models using the abnormal shape of spermatozoa test. METHODS: the lyophilized aqueous extract bark was given by oral gavages (500, 1000 and 2000 mg of total solids /kg bw) in three series of the classical protocol of Wyrobeck and Bruce, in intervals of 24 hrs for 5 days. RESULTS: in series I, the animals were sacrificed on day 4 after starting the administration. In series II the animals were sacrificed on day 21 while in series III the day of sacrificed was the 35th. CONCLUSIONS: no cytotoxic effect was observed in the 3 series and in all doses proved and only the highest dose of the extract in the series I provoked a slight genotoxic effect when increase the percentage in the number of abnormal spermatozoa.
Palavras-chave : Rhizophora mangle L.; red mangrove; germinal cell test; plant extract; genotoxicity.