用血管紧张素转换酶（ＡＣＥ）活性评价锌的营养状态锌是必需微量元素之一，在机体内作为２００种以上的金属酶的活性中心发挥作用。自从临床上静脉营养时有缺锌的报告以来，人们已认识到补锌的重要性。目前对人体进行锌营养状态评价时，主要应用血清或组织（毛发、皮肤、... Assessment of the nutritional status of zinc with angiotensin-converting enzyme (ACE) activity Zinc is one of the essential trace elements and functions as an active center of more than 200 metalloenzymes in the body. The importance of zinc supplementation has been recognized since reports of zinc deficiency in clinical intravenous nutrition. Currently on the human body to assess the status of zinc nutrition, the main application of serum or tissue (hair, skin, ...