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牛乳含有平衡的旦白质、糖、脂肪,作为营养丰富的食品,为现代居民日常生活所必需。牛乳之所以能普及,除了营养丰富之外,其安全卫生受到广大消费者认识亦是一个重要原因。不加处理地饮用鲜乳,从营养角度出发也许是理想的,但由于结核病、布鲁氏病等人畜共患传染病问题,以及为了防止腐败变质,不得不对鲜乳给以加热处理。牛乳只有经过能确实杀灭有害微生物和保存营养价值的消毒,并在冷藏保存的条件下才
Milk contains balanced protein, sugar, fat, as a nutritious food, essential for the daily life of modern residents. The reason why milk can be popularized, in addition to nutrient-rich, its safety and health by the vast number of consumers is also an important reason. Fresh milk without treatment may be desirable from a nutritional standpoint, but due to zoonotic diseases such as tuberculosis and brucellosis, and to prevent spoilage, milk has to be heat treated. Milk only after sterilization can indeed kill harmful microorganisms and preservation of nutritional value, and only under the conditions of refrigerated storage