学龄前儿童头发中四种元素含量正常值探讨

Detection of Four Kinds of Element Contents in Preschool Children's Hair

本文通过对学龄前儿童一百六十多例发样中锌、铜、钙、镁四种元素含量的测定及对正常值的分析,探索了学龄前儿童体内上述元素的营养状况及与幼儿生长发育的关系.发现幼儿缺锌、钙状况较为严重,注意到幼儿头发中锌含量随年龄增长呈现先下降然后上升的趋势,提出母乳喂养的幼儿其头发中锌含量较高,但到一定时期仍需补充锌含量.

The contents of the elements Zn, Cu, Ca and Mg in 160 samples of preschool Children's hair were examined.The relationship between the contents of elements and the growth of children was detected.It turns out that children are seriously deficient in Zn and Ca.It is worth notice that the content of Zn in Children's hair decreases with age at first but increases later.It is found that the content of Zn in.breast-fed children is higher than in other, but supplement of Zn is still necessary.