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锌和钙是人体必须的营养元素,缺乏时会使机体出现相应的病理反应,然而补充过多也同样会对机体产生病理损害。锌参与细胞和多种酶的代谢,蛋白质、核酸的合成与分解也都必须有锌的参与,还与 DNA、RNA 的合成及其功能密切相关。人一生中对锌的需要量较大的时期是生长发育较快的几个时期(胚胎期、新生儿期、婴幼儿期、儿
Zinc and calcium are essential nutrients of the human body, the lack of time will make the body appear the corresponding pathological response, but too much supplementation also will produce pathological damage to the body. Zinc participates in the metabolism of cells and various enzymes, and the synthesis and decomposition of proteins and nucleic acids also have the participation of zinc. It is also closely related to the synthesis and function of DNA and RNA. Zinc in people’s life needs a larger period of growth and development is relatively rapid several periods (embryonic, neonatal, infancy, children