The role of protein in growth and development

Protein is a complex organic compound, which exists in the body’s chemical organization, its content is second only to water, accounting for about 18% of body weight, is an important part of the body cells and body fluids, so protein is the material basis of all life . How to recognize the in children’s growth and development?

First, from the physiological function of the protein to understand. The physiological functions of the protein are the following:

1, constitute and repair organizations. The body’s muscles, bones, skin, blood and all other cellular tissues are made of protein. Children are in constant growth and development, organizations, organs continue to grow, all need protein as a raw material for growth.

2, regulate and promote physiological function. Protein is an important component of enzymes and hormones, and all the body’s decomposition, synthesis, metabolism, are dependent on the role of enzymes and hormones. Children’s metabolism and synthesis, strong catabolism, the role of enzymes and hormones.

3, increase the body’s resistance. Human antibodies are also proteins. For example, antibodies to influenza, measles, infectious hepatitis and others in children are all associated with gamma globulin.

4, the nerve, muscle activity. Protein can increase the excitability of the central nervous system, reduce fatigue and increase mobility. Children’s brain cells gradually mature, intelligence is also evolving, need enough protein.



5, supply heat. Each gram of protein can produce 16.75 and so on calorie heat, is one of the sources of body heat. Children grow fast, large amount of activity, part of the heat consumed by the oxidation of protein supply.

Second, from the symptoms of protein deficiency to recognize. Inadequate supply of protein in children’s diet, will directly affect the child’s growth and development, there will be severe growth retardation, anemia, fatigue, loss of appetite and disease resistance, mental retardation.

Third, from the child’s needs to understand. Protein is composed of more than 20 kinds of amino acids, of which 8 kinds of amino acids are not synthesized by the child’s body, must be supplied by food. Children need to contain comprehensive amino acid, the proportion of reasonable combination of high quality protein, so as to facilitate growth and development.

Therefore, in the children’s diet should ensure the supply of protein, and the best selection of animal protein and legume protein, because it contains the ratio of amino acids and children’s needs are relatively close. Should eat fish, eggs, lean meat, animal liver, soy products. Amino acids in cereals, but with beans, can increase their nutritional value.


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