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本文报告了447名3~12岁儿童发锌含量的正常值(百分位数法,ppm);3~4岁缉为50~200;5~6岁70~250;7~8岁80~250;9~12岁110~250。膳食营养调查结果表明儿童锌营养不足,仅及标准的60%。研究结果显示,缺锌对学龄前儿童的体格发育、对学龄儿童的智力发展都有较大影响。
This article reports the normal zinc value (percentile method, ppm) for 447 children aged 3 to 12 years; 50 to 200 aged 3 to 4 years; 70 to 250 aged 5 to 6 years; 80 to 80 years old aged 7 to 8 years; 250; 9 ~ 12 years old 110 ~ 250. Dietary Nutrition Survey results show that children are undernourished zinc, only 60% of the standard. The results show that zinc deficiency on physical development of preschool children have a greater impact on the intellectual development of school-age children.