AN EVALUATION OF THE RELATIVE CONTRIBUTIONS OF EXPOSURE TO SUNLIGHT AND OF DIET TO THE CIRCULATING CONCENTRATIONS OF 25-HYDROXYVITAMIN-D IN AN ELDERLY NURSING-HOME POPULATION IN BOSTON

被引：233

作者：

WEBB, AR ^{[1
]}

PILBEAM, C ^{[1
]}

HANAFIN, N ^{[1
]}

HOLICK, MF ^{[1
]}

机构：

[1] BOSTON UNIV,SCH MED,VITAMIN D SKIN & BONE RES LAB,80 E CONCORD ST,BOSTON,MA 02118

来源：

AMERICAN JOURNAL OF CLINICAL NUTRITION | 1990年 / 51卷 / 06期

关键词：

1,25-dihydroxycholecalciferol; 25-hydroxycholecalciferol; Diet; Elderly populations; Nursing home; Parathyroid hormone; Seasonal variation; Sunlight; Vitamin D;

D O I：

10.1093/ajcn/51.6.1075

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：

We investigated the vitamin D status of a Caucasian elderly population in a long-term-care facility in Boston. Comparison was made with a group of free-living elderly people. The sunlight exposure of residents was monitored and its effect on the serum concentrations of 25-hydroxyvitamin D [25(OH)D] was compared with contributions from diet and multivitamins. Seasonal changes in serum 25(OH)D concentrations caused by sunlight exposure were greatest in the free-living subjects and declined in magnitude as the mobility of the volunteers decreased. Diet failed to provide an adequate amount of vitamin D for volunteers who had minimal outdoor activity. Use of a multivitamin supplement containing 10 μg (400 IU) vitamin D maintained serum 25(OH)D concentrations > 37.5 nmol/L.

引用

页码：1075 / 1081

页数：7

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