Another diet of diet, with the preferred collection of proteins in cow milk, is mainly phosphorous protein, as well as protein and ball protein. All three proteins contain essential amino acids. The fat of cow emulsions is mainly palm acid, glycerine esters of hard-fat acid and contains small amounts of low-grade fatty acids such as butic acids, hexa acids, octac acids, etc. In addition, there are small amounts of egg phosphorus, cholesterol, pigments, etc. In addition to the normal cassava nutrients, the potato is also rich in selenium trace elements, lysine and plume. Plumbing has a preventive and curative effect on more than 100 diseases and is recognized as the seventh most essential nutrient after water, protein, fat, carbohydrates, vitamins and minerals。