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锰在地球上分布广泛,属12种最丰富的元素之一,为人体代谢过程中不可缺少的微量元素。锰以金属蛋白的形式存在于一些酶中,能参与细胞和组织中氧化还原和磷酸化过程。正常人每日约从食物中摄取锰3～7mg,用以维持机体正常生理的平衡。估计70kg的正常男性体内有12～20mg锰。正常组织中锰含量低于此水平。临床上无自发性锰
Manganese is widely distributed on earth, belonging to one of the 12 most abundant elements, which is an indispensable trace element in human metabolism. Manganese is present as a metalloprotein in some enzymes and is involved in the redox and phosphorylation processes in cells and tissues. Normal daily intake of about manganese from food 3 ~ 7mg, to maintain the body’s normal physiological balance. An estimated 70kg of normal male body has 12 ~ 20mg manganese. Manganese levels in normal tissues are below this level. No spontaneous clinical manganese