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Biological Research

versión impresa ISSN 0716-9760

Resumen

MORAES DE CARVALHO, Katharinne I et al. Antiulcer activity of ethanolic extract of Encholirium spectabile Mart. ex Schult & Schult f. (Bromeliaceae) in rodents. Biol. Res. [online]. 2010, vol.43, n.4, pp.459-465. ISSN 0716-9760.  http://dx.doi.org/10.4067/S0716-97602010000400011.

This study evaluated the antiulcer activity of an ethanolic extract of Encholirium spectabile (ES-EtOH) by using different standard experimental models of induced acute gastric ulceration. ES-EtOH (100 mg/kg p.o) protected the gastric mucosa against ulceration that was induced by absolute ethanol (53%), ethanol/HCl (75 %), ibuprofen (52 %) and ischemia/reperfusion (43 %). It also restored catalase activity and non-protein sulfhydryl group concentration in the gastric wall of mice that had been treated with ethanol. The pre-treatment of mice with N-nitro-L-arginine (70 mg/kg i.p.) abolished the protective activity of ES-EtOH, which indicates that prostaglandins, antioxidant compounds and nitric oxide synthase activity are involved in the gastroprotective activity of the extract.

Palabras clave : antioxidant; antiulcer activity; Encholirium spectabile; Bromeliaceae.

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