锰与人体健康锰对人体具有两重性─—有益又有害。益处：锰是人体生理机能必不可少的１５种微量元素之一。人体每日需锰量约３～９ｍｇ，通过谷类、茶、咖啡及蔬菜等摄入。它是人体内新陈代谢不可代替的一种微量元素。锰参与体内多种酶的活动，是酶的激活剂，促进新陈代谢... Manganese and human health Manganese has a dual nature of human-─ useful and harmful. Benefits: Manganese is one of the 15 trace elements essential for human physiology. The body needs manganese daily amount of about 3 ~ 9mg, through cereals, tea, coffee and vegetables intake. It is an irreplaceable trace element in human metabolism. Manganese participates in the activity of many kinds of enzymes in the body and is an activator of enzymes to promote metabolism ...