The type and content of amino acids determine the quality of protein. Lysine (9.0%) and histidine (4.8%) in donkey meat are significantly higher than those in other meats. Lysine can stimulate appetite, promote the growth and development of children, improve the absorption and accumulation of calcium in the body, and accelerate the growth of bones. It is an essential amino acid for the synthesis of important protein such as brain regeneration cells. Histidine is not an essential amino acid for adults, but it plays a very important role in the growth and development of newborns and children.
Protein is the material basis of life. Without protein, there would be no life. Therefore, it is a substance closely related to life and various forms of life activities. Protein participates in every cell and all important parts of the body. Protein accounts for 0/6% ~ 20% of human body weight, that is, there is about 9.6~ 12kg of protein in a 60kg adult body. There are many kinds of protein in human body, with different properties and functions, but they are all composed of more than 20 kinds of amino acids in different proportions, which are constantly metabolized and updated in the body.
Protein is an essential nutrient for human body, so we should pay attention to the intake of high-protein food in our daily life. High-protein foods, one is animal protein such as milk, livestock meat, poultry meat, eggs, fish and shrimp; The other is beans such as soybeans, green beans and black beans, as well as plant proteins such as sesame seeds, melon seeds, walnuts, almonds and pine nuts. Because the types and proportions of amino acids contained in animal protein are more in line with human needs, the nutritional value of animal protein is higher than that of plant protein.