Evaluation of the protein quality of rice supplemented with bean or crayfish in rats |
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Authors: | Ikemefuna C Obizoba |
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Institution: | (1) Department of Home Science and Nutrition, University of Nigeria, Nsukka, Nigeria |
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Abstract: | Weanling male rats (45–60 g) were used to compare the supplemental effects to rice protein of bean or crayfish protein. Rats were fed various combinations of rice plus bean (B) or crayfish (C) to provide 1.6 g N/100 g of the daily diet for 28-day growth studies and a 7-day N balance period. Five different diets were fed. Six rats were assigned to each diet on the basis of body weight. Combinations of R:B of 80:20 and of R:C of 80:20 produced food intake, weight gain, PER, N intake, digested and retained N; and liver weight values that were comparable. However, increasing C to 30% of the dietary protein led to reduced value for food intake, weight gain, PER, N intake, digested and retained N, BV, NPU, and liver weight when compared with values obtained when B was increased to 30% (P<0.05). The results appear to indicate that, above a certain level of supplementation, brown bean protein is superior to crayfish as a supplement to rice protein. |
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Keywords: | rice protein bean protein crayfish protein N utilization protein supplementation rats |
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