(1) protein in milk contains 8 essential amino acids, which are suitable for forming muscle tissue and promoting healthy development; It is more important for children and adolescents who are in the stage of growth and development.
(2) The fat contained in milk has a low melting point and small particles, which are easily digested and absorbed by human body, and its digestibility reaches 97%.
(3) The main carbohydrate in milk is lactose, which can regulate gastric acid, promote intestinal peristalsis and help digestive gland secretion in human body.
(4) Calcium contained in milk is the best source of calcium for human body. Because the calcium in milk is easily absorbed in the body, it is far higher than that in other kinds of foods. Moreover, the ratio of calcium to phosphorus in milk is appropriate, which is an ideal nutritious food to promote the development of bones and teeth of children and adolescents.
(5) Milk contains almost all known vitamins, such as vitamin A, vitamin C, vitamin D and B vitamins.
(6) Milk also contains antibody substances needed to promote children's development. Milk is the most ideal food for the healthy development of children and adolescents. After World War II, Japan put forward the slogan "A glass of milk makes a nation strong". There is also a famous saying in Britain: "Nothing is more important than providing milk for children!" For this reason, 12 famous scientists, including Shen Zhiping and Xiao Jiajie, from the fields of nutrition, food and dairy industry in China, called for the revitalization of dairy industry in China at the "1998 China Milk Science Forum" and often gave milk to children.