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人类从食物中取得赖以生存的物质,这些物质可以分为六大类:水、蛋白质、脂类、糖类、矿物质、维生素类。正常人为了保持身体健康,必须均衡地摄入这六类物质,也就是说不能有任何一类有所过量。但是对于不同疾病患者,这六类物质的比例就必须进行调整,如维生素缺乏的病人,就必须增加食物中维生素的比
Human beings from food to rely on the survival of the material, these substances can be divided into six categories: water, protein, lipids, carbohydrates, minerals, vitamins. Normal people in order to maintain good health, we must take a balanced intake of these six substances, that is to say there can not be any kind of excessive. However, for different diseases, the proportion of these six substances must be adjusted, such as vitamin-deficient patients, we must increase the ratio of vitamins in food