The role of protein in food nutrition is obvious, but it cannot be directly used in the human body but is used after becoming a small molecule of amino acids. Some amino acids decompose or synthesize protein in the liver; the other part of the amino acids will continue to be distributed to various tissue organs with the blood and will be selected to synthesize various specific tissue proteins. Therefore, food protein is absorbed by the human body after digestion and decomposition, and antibodies use these amino acids to synthesize their own proteins. The human body's need for protein is actually the need for amino acids. A-ketonic acid generated by amino acid decomposition metabolism is metabolized with the metabolic channels of sugar or fat with different characteristics.
Amino acids are mainly used to prepare compound amino acid infusions in medicine, as well as healing drugs and synthetic polypeptide drugs. There are hundreds of amino acids used for drugs, including 20 amino acids that make up proteins and more than 100 amino acids that constitute non-protein.
Compound preparations consisting of a variety of amino acids occupy a very important position in modern venous nutritional infusion, which has a positive role in maintaining the nutrition of patients with severe patients and rescuing patients' lives, becoming one of the indispensable medical species in modern medical care.
The basic unit of protein is an amino acid. If the human body lacks any essential amino acids, it can lead to abnormal physiological function, affect the normal progress of the body's metabolism, and eventually lead to disease. Even if some non-essential amino acids are lacking, the body's metabolic disorder will occur.
The role of amino acids in food cannot be ignored, some are condiments, some are nutritional enhancers, and some can have fragrance effects. Most amino acids have a taste, which plays a sour, sweet, bitter, and astringent effect in food. It and its derivatives are very promising sweeteners. There are also some small water-soluble amino acids that have a bitter taste and are the product of protein hydrolysis in food processing. Actin amino acid and sugar ammonia reaction is an important cause of aroma and coloring in food processing. During the reaction process, some amino acids and sugar are consumed, which generates flavor substances.
Therefore, the existence of amino acids in the human body not only provides important raw materials for synthetic protein, but also provides a material basis for promoting growth, carrying out normal metabolism, and maintaining life.