锌(zinc)是人体内第三个最重要的微量元素,它集中于某些组织如肝、肌肉和皮肤等,但不以特殊的储蓄形式存在。因此锌的含量决定于摄入和排出的平衡。 人体内200多种酶含有锌,在组织吸收、蛋白质合成、核酸代谢中起重要作用,为生长发育所必需。缺锌可引起多种酶活性降低而 Zinc is the third most important trace element in the human body, concentrated in certain tissues such as liver, muscle and skin but not in special forms of savings. Therefore, the content of zinc is determined by the balance of intake and discharge. More than 200 kinds of enzymes in human body contain zinc, which plays an important role in tissue absorption, protein synthesis and nucleic acid metabolism, and is necessary for growth and development. Zinc deficiency can cause a variety of enzyme activity decreased