Nutritional utilization by the rat of diets based on lentil (Lens culinaris) seed meal or its fractions |
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| Authors: | Cuadrado Carmen Grant George Rubio Luis A Muzquiz Mercedes Bardocz Susan Pusztai Arpad |
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| Institution: | Departamento de Tecnología de Alimentos, SGIT-INIA, Apartado 8111, 28080 Madrid, Spain. |
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| Abstract: | The nutritional effects in the rat of raw lentil meal or its fractions have been evaluated in three feeding trials. Growth, gain/feed ratio, apparent N digestibility, and N retention were significantly (p < 0.05) reduced by the inclusion of whole lentil meal, dehulled lentil meal, or ethanol-extracted lentil meal as the sole source of protein in the diet. Pure lentil lectin and lectin-depleted albumin proteins had no significant negative effect on nutritional performance. In contrast, growth, gain/feed ratio, protein conversion efficiency, N digestibility, and N retention were significantly (p < 0.05) reduced by diets containing lentil globulins or lentil hulls. The poor nutritional quality of raw lentil meal for rats is therefore likely to be primarily due to the combined effects of these two components. |
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