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牛奶中的营养十分丰富,它含有水分,蛋白质,脂肪,糖类,钙,铁,镁,钾,钠及多种维生素等,而且牛奶中的蛋白质含量高于人奶,并含有人体所需的8种氨基酸. 牛奶中的蛋白质属优质蛋白质,不仅容易被分解吸收,而且非常适合人体的需要. 牛奶中脂肪的含量和丰富的无机盐对身体虚弱的人和老年人都有很好的帮助. 牛奶中含有较多的维生素A,维生素C和维生素B2,但是维生素D含是量较少,要注意适当补充维生素D. 因此,喝牛奶对人体健康是有很大好处的. Milk is very rich in nutrition, it contains water, sugar, protein,fat, calcium, iron, magnesium, potassium, sodium and various vitamins, and milk protein content contains human milk, and one of the eight kinds of amino acids needed. In the milk protein of high protein, is not only easy to decompose absorption, and the suitable human needs. Milk fat content and rich mineral of weak and elderly people are very good. Milk contains more vitamin A, vitamin B2, vitamin C and contains vitamin D, but is less, must pay attention to the appropriate supplement vitamin D. Therefore, drink the milk of human health is a great advantage. (责任编辑：admin) |