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Rev. chil. nutr ; 40(4): 376-382, dic. 2013. tab
Article in Spanish | LILACS | ID: lil-703276

ABSTRACT

Consumption of tomato (Lycopersicon esculentum ) and tree tomato ( Cyphomandra betacea ) is interesting for its nutritional composition and content of antioxidant compounds. This research evaluated the effect of diets intake with tomatoes on blood lipids in rats. First, fatty acids were determined in tomato seeds. Subsequently, rats (Sprague-Dawley, 6 females per group , 2 months old and weight 160 g) were fed with basal diet (AIN-93M) supplemented with 10% tomato and tomato tree at the expense of starch for 5 weeks. Efficiency and diet digestibility were calculated. Triglycerides (plasma), total cholesterol (serum), HDL (plasma) were measured and LDL was calculated. Results showed that seeds of C. betacea 7% had more polyunsaturated fatty acids than L. esculentum. Consumption of diets with both fruits decreased triglycerides and LDL and increased HDL. The results indicate the importance of encouraging the consumption of these fruits as a contribution to the prevention of some chronic diseases.


El consumo de tomate (Lycopersicum esculentum) y tomate de árbol (Cyphomandra betacea) resulta de interés por su composición nutricional y contenido de compuestos antioxidantes. Esta investigación evaluó el efecto de la ingesta de dietas con tomates en los lípidos sanguíneos de ratas. Primero, se determinaron los ácidos grasos en semillas de tomates. Posteriormente, a ratas (Sprague-Dawley, 6 hembras por grupo, 2 meses de edad y peso 160 g), se les suministró dieta basal (AIN- 93M), dietas suplementadas con 10% de tomate y de tomate de árbol a expensas del almidón, durante 5 semanas. Se calculó la eficiencia y digestibilidad de la dieta. Se midieron los triglicéridos (plasma), colesterol total (suero), HDL (plasma) y LDL calculado. Resultados indicaron 7% más de ácidos grasos poliinsaturados en semillas de C. betacea respecto a L. esculentum. El consumo de dietas con ambos frutos disminuyó los triglicéridos y LDL y aumentó el HDL. Los resultados señalan la importancia de incentivar el consumo de ambos frutos como una contribución a la prevención de algunas enfermedades crónicas.


Subject(s)
Animals , Rats , Blood , Solanum lycopersicum , Eating , Lipids , Antioxidants
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