铜是人体中不可缺少的一种微量元素,对于维持人体正常生理功能起着非常重要的作用。老年人由于胃肠道消化吸收功能下降,对摄入的食物中铜的利用率降低,及牙齿脱落,对食物咀嚼不全的原因,也影响了铜的吸收,因而容易发生铜缺乏症。 Copper is an indispensable trace element in the human body and plays a very important role in maintaining the normal physiological functions of the human body. Elderly due to gastrointestinal digestion and absorption decreased, the intake of copper in food utilization decreased, and teeth off, chewing food incomplete reason, but also affect the copper absorption, and thus prone to copper deficiency.