期刊
NUTRITION
卷 19, 期 5, 页码 451-456出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/S0899-9007(02)01011-0
关键词
lentils; autoclave; mineral and vitamin supplementation; digestive and metabolic use; protein; calcium
OBJECTIVE:, The effects of heat treatment, supplementation of a mineral, and vitamin premix, and 4% olive oil on the bioavailability of protein and calcium from Lens culinaris M., var vulgaris, cultivar. magda-20 were studied in growing rats. METHODS: Nutrition assessment was based on chemical analysis of lentil protein, energy, total and available starch, lipid and calcium composition, and the digestive and : metabolic use, of nitrogen and calcium by rats. Lentils used for the present study had crude protein and calcium contents of 25.5% and 0.07%, respectively. Heating lentils to 120degreesC at I atm for 30 min decreased trypsin inhibitor activity, phytate, and tannin content by 76%, 8%, and 12%, respectively, but did not improve dietary intake or digestive use of protein compared with untreated raw control lentils. RESULTS: Mineral, vitamin, and olive oil supplementation of raw or autoclaved lentils significantly improved daily food intake and nutritive use of nitrogen and calcium. The best results were obtained for the rats,fed with a,diet of raw lentils supplemented with a premix of minerals and vitamins. CONCLUSIONS: There was a direct correlation between calcium balance and weight gain in animals (r = 0.89) and be I tween the calcium balance and nitrogen balance (r = 0.86). (C) Elsevier Inc. 2003.
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