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自人们发现各种维生素是人体必需物质后,又发现多种微量元素与人的生命有密切的关系.食物中有些微量元素过少或不易被人体吸收,常常会引起某些疾病的发生.据统计我国有2/3的儿童缺锌,从而
Since people found that various vitamins are essential substances in the human body, but also found that a variety of trace elements and human life are closely related to the food in some trace elements is too small or not easily absorbed by the body, often causing some diseases .According to Statistics 2/3 of our children zinc deficiency, thus