THE ZINC NUTRITURE OF PRESCHOOL-CHILDREN LIVING IN 2 AFRICAN COUNTRIES

被引:70
作者
FERGUSON, EL
GIBSON, RS
OPAREOBISAW, C
OUNPUU, S
THOMPSON, LU
LEHRFELD, J
机构
[1] UNIV GUELPH, DIV APPL HUMAN NUTR, GUELPH N1G 2W1, ONTARIO, CANADA
[2] UNIV GHANA, DEPT HOME SCI, LEGON, GHANA
[3] UNIV TORONTO, DEPT NUTR SCI, TORONTO M5S 1A8, ONTARIO, CANADA
[4] USDA, PEORIA, IL 61604 USA
关键词
ZINC; GHANAIAN CHILDREN; MALAWIAN CHILDREN; GROWTH; BODY COMPOSITION;
D O I
10.1093/jn/123.9.1487
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
The zinc nutrition of rural Malawian children (24 females, 33 males; age 62 +/- 10 mo) consuming cereal-based diets was compared with that of rural Ghanaian children (43 females, 33 males; age 59 +/- 10 mo) consuming cereals or starchy staples, using hair zinc concentrations, growth and body composition indices, and dietary intakes. Intakes of energy, protein, Ca, Zn, dietary fiber and phytate at two seasons of the year were estimated from 3-d weighed food records, using analyzed and literature food composition values. The mean annual intakes of energy (5419 +/- 1081 vs. 4698 +/- 885 kJ), protein (31.8 +/- 7.0 vs. 24.1 +/- 6.8 g), Zn (7.4 +/- 1.9 vs. 5.1 +/- 1.1 mg) and phytate (1899 +/- 590 vs. 604 +/- 151 mg), and the mean molar ratios of [phytate]/[Zn] and [Cal x [phytate]/[Zn] mmol per MJ (25 +/- 4 vs. 12 +/- 2 and 44 +/- 13 vs 20 +/- 8 mmol/MJ), were higher for Malawian than for Ghanaian children. More Malawian than Ghanaian children had [phytate]/[Zn] greater-than-or-equal-to 15 (72% vs. 0%) and were severely stunted (57 vs. 28%). Ninety-four percent of children in Malawi and 83% in the Ghanaian village of Slepor had low hair Zn concentrations (< 1.68 mumol/g) compared with 39% in Gidantuba, Ghana. In Gidantuba, children with low hair Zn concentrations had low upper-arm-muscle-area-for-age and upper-arm-muscle-area-for-height Z-scores. The high intakes of phytic acid relative to zinc in Malawi suggest that these children were at greater risk for inadequate zinc nutriture than their Ghanaian counterparts.
引用
收藏
页码:1487 / 1496
页数:10
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