EFFECT OF FIBER FROM FRUITS AND VEGETABLES ON METABOLIC RESPONSES OF HUMAN-SUBJECTS .2. CALCIUM, MAGNESIUM, IRON, AND SILICON BALANCES

被引:147
作者
KELSAY, JL [1 ]
BEHALL, KM [1 ]
PRATHER, ES [1 ]
机构
[1] UNIV MARYLAND,COLL HUMAN ECOL,DEPT FOOD NUTR & INST ADM,COLLEGE PK,MD 20742
关键词
D O I
10.1093/ajcn/32.9.1876
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
Intakes and excretions of calcium, magnesium, iron, and silicon were determined for 12 men consuming controlled diets containing fruits and vegetables (high fiber diet) or fruit and vegetable juices (low fiber diet) for periods of 26 days. Magnesium and iron were added to the low fiber diet to make the two diets as equivalent as possible in these respects. Mean daily intakes on the low and high fiber diets, respectively, were: calcium, 1070 and 1166 mg; magnesium, 355 and 322 mg; iron, 21.8 and 26.4 mg; silicon, 21.6 and 45.8 mg. Mean daily balances on the low and high fiber diets, respectively, were: calcium +72 and -122 122 mg; magnesium, +28 and -32 mg; iron, +3.8 and +4.6 mg; silicon, -3.5 and -14.6 mg. Calcium, magnesium, and silicon balances were significantly lower on the high than on the low fiber diet (P<0.01).
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页码:1876 / 1880
页数:5
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