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时常有的母亲提出这样的问题:“我的孩子经常吃钙片,为什么还是缺钙?”这就是钙的吸收与利用的问题了。大家知道,食物中的钙质,多在酸性溶液中溶解,只有能溶解的钙质才能被小肠吸收,否则食物中的钙质将原封不动的由大肠排除体外。并且钙的吸收还需要维生素D的帮助和促进,所以单纯的给予服用大量的钙片不能有效预防儿童缺钙。那么家庭中如何有效预防儿童缺钙呢? 首先,由于维生素D能帮助钙很好的吸收,而且维生素D能促进钙和磷对于肠膜的渗透性,因此不论儿童、孕妇、乳母对于维生素D的摄取必须重视,应尽可能补充一些鱼肝油、肝脏、奶和蛋黄
The mothers often ask such questions: “My children often eat calcium tablets, why calcium?” This is the problem of calcium absorption and utilization. We all know that the calcium in food is mostly dissolved in acidic solution, and only the dissolved calcium can be absorbed by the small intestine. Otherwise, the calcium in the food will be excluded from the large intestine in vitro. And calcium absorption also needs the help and promotion of vitamin D, so simply given a large number of calcium can not effectively prevent calcium deficiency in children. So how to effectively prevent calcium deficiency in children at home? First of all, because vitamin D can help calcium absorption, and vitamin D can promote calcium and phosphorus permeability of the intestinal membrane, so regardless of children, pregnant women, lactating women for vitamin D Ingestion must be emphasized, should be possible to add some cod liver oil, liver, milk and egg yolk