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铜在自然界分布甚广,大多数食物中含有铜的成分。成人每天的饮食中约含有2～5mg 铜。经过消化的铜大部分从粪便中排出,只有微量从尿中排出。成人体内含铜总量为100～150mg.
Copper is widely distributed in nature and most foods contain copper. Adult daily diet contains about 2 ~ 5mg copper. Most of the digested copper excreted in the excrement, only traces of urine excreted. Adult body total copper is 100 ~ 150mg.