沈阳市学龄前儿童末梢血矿物质检测结果分析

为了解沈阳市学龄前儿童体内矿物质钙、铁、锌、铜、镁的含量与年龄和性别的关系，探讨防治其缺乏的综合措施，利用BH 5100型原子吸收光谱仪对3483例学龄前儿童末梢血中铜、锌、钙、镁和铁元素进行了检测，采用SPSS 17．0软件进行统计分析。结果表明，该地区学龄前4个不同年龄组儿童末梢血锌、钙、铁、铜元素缺乏严重，分别占总样本的66．90％、39．76％、32．5％和26．87％；3～岁组末梢血中钙、铁、锌、镁含量与其它年龄组比较差异有统计学意义（P〈0．05），各元素在性别问差异无统计学意义（P〉0．05）。该地区学龄前儿童钙、铁、锌、铜失衡明显，应加强营养素的合理搭配及矿物质的补充，保证儿童的健康成长。

Analysis of Mineral Substances Levels in Peripheral Blood of Children aged 3 -6 Years in Shenyang City

To investigate prevalence of mineral substances （ contents in calcium, iron, zinc, magnesium and copper） in peripheral blood of children aged 3 ~ 6 years in Shenyang city, the content of 5 minerals substances in peripheral blood of 3 843 children aged 3 ~ 6 years was detected by atomic absorption spectrometry. The data were analysied with SPSS software. The results showed that the serious deficiency was common among 4 age groups. Deficiency rate of zinc was 66. 90%, that of calcium was 39. 76%, that of iron was 32. 5% and that of copper was 26.87%. Especially, there were significant difference between the contents of calcium, iron, zinc, magnesium in groups of 3 years age and various groups （P 〈0. 05 ）. There was no significant difference between two genders （P 〉 0. 05 ）. It concluded the unbalance of mineral substance was existed in Shenyang＇s preschool children such as calcium, iron, zinc and copper. The rational food and mineral supplementary should be strengthened in order to keep nutritional balance and children＇s healthy.