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锌是人体生理所必需的微量元素之一,人体内的锌主要存在于骨骼和皮肤中。锌是体内许多金属酶的组成成分或酶的激诱剂,就现在所知的与锌有关的酶类有二十余种。研究表明锌与RNA、DNA和蛋白质的生物合成有密切联系,且与胰岛素、肾上腺皮质激素的生理作用和卟啉代谢有关。人每天可从食物、饮水中摄取微量的锌,成年人每日锌的供给量美国规定为15毫克,而我国及其它国家尚未有正式规定。动物性食品是锌的可靠来源。当人体缺
Zinc is one of the trace elements essential for human physiology. Zinc in the human body mainly exists in the bones and the skin. Zinc is the body of many metal enzyme components or enzyme attractant, now known to zinc-related enzymes have more than twenty kinds. Studies have shown that zinc and RNA, DNA and protein biosynthesis are closely linked, and insulin, adrenocorticotropic hormone and the physiological role of porphyrin metabolism. People daily intake of trace amounts of zinc from food and drinking water, adult daily supply of zinc in the United States provides for 15 mg, while China and other countries have not yet been formally established. Animal food is a reliable source of zinc. When the human body is missing