Daily protein intake and weight gain of casein-fed rats were not significantly different (P < 0.05) from those of rats fed soybean meal with alginate, whatever the dose received. Rats fed 3% carrageenan in soybean meal had significantly higher feed intake than that of rats fed casein. At the levels studied, alginate had no effect on the Protein Efficiency Ratio (PER), but carrageenan did. The addition of increased quantities of carrageenan to soybean meal followed by heating the mixture led to a progressive and significant decrease in PER at all levels of carrageenan compared to casein feeding. The addition of 3% carrageenan to heated soybean meal, corresponding to 0.62°/ of meal diet, led to a significant decrease in PER. These results confirm the precipitating role of carrageenans on proteins.alginate / carrageenan / soybean / weight gain / protein intake / PER
Renutrition après Ingestion de régimes comprenant 10% de protéines de soja associées à diverses concentrations d'alginate ou de carraghénate de sodium. Effets sur la croissance et les paramètres lipidiques chez le rat * J Mouécoucou C Villaume HM Bau JP Nicolas L Méjean INSERM U 308, Unité de recherches sur les mécanismes de régulation du comportement alimentaire, 38, rue Lionnois, 54000 Nancy, France (Reçu le 3 avril 1990; accepté le 22 mars 1991) Résumé ― Des rats mâles de souche Wistar ont été nourris au cours de 3 périodes expérimentales consécutives. Au cours de la première période de 4 semaines, des régimes à 10% de protéines de caséine ou de farine déshuilée de soja additionnée ou non de 0,5, 1, 2 ou 3% d'alginate ou de carraghénate de sodium et chauffée ont été utilisés. Au cours de la seconde période de 16 semaines, un * Présenté sous forme de poster au 3rd International Workshop on plant polysaccharides, Le Croisic, France (19-21/9/1990). &dquo; Correspondance et tirés à part
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