乳制品之源是牛奶,牛奶是一种营养丰富的食品,它含有人体生长和保持健康的全部营养,现在已经分析出它有一百多种成分,除含有高质量蛋白质、脂肪、碳水化合物外,还含有大量维生素和矿物质。牛奶和奶制品是整个人生中自始至终必需的使食物,从胎儿、婴儿到儿童、青少年、中年直至老年都是普遍适宜的食物,是自然界中任何食物都无以伦比的。我国的膳食结构正由以植物性蛋白为主,向动、植物性蛋白并重的方向发展,因此人们对奶制品的需要 The source of dairy products is milk. Milk is a nutritious food that contains all of the nutrients that the human body grows and maintains healthy. Now it has been analyzed that it has more than 100 ingredients, in addition to containing high-quality protein, fat, carbohydrates , But also contains a lot of vitamins and minerals. Milk and dairy products are necessary throughout the whole life to make food, from fetuses, infants to children, adolescents, middle age to old age, are universally suitable foods that are unmatched in nature in any food. China’s dietary structure is mainly composed of plant-based proteins, moving, plant protein development in the same direction, so people’s need for dairy products