What is small molecule peptide?

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At the beginning of the 20th century, EmilFischer, the winner of the Nobel Prize in Chemistry in 1901, artificially synthesized dipeptide of glycine for the first time, revealing that the true structure of the peptide is composed of amide bones. After one year, he proposed the wordpeptide, which began the scientific research of peptide.

Amino acids were once considered to be the smallest unit of the bodys absorption of protein foods, while peptides were only recognized as secondary decomposition of protein. With the rapid development of science and nutrient, scientists have discovered that after protein is digested and decomposed, in many cases, small peptides composed of 2 to 3 amino acids are directly absorbed by the human small intestine, and the absorption efficiency is higher than that of single amino acids. People gradually recognized that small peptide is one of the most important substance in life, and its function has participated in all parts of the body.

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Peptide is polymer of amino acid, and a kind of compound between amino acid and protein, and consist of two or more than two amino acids link to each other through peptide chain. Therefore, in one term, we can consider peptide is incomplete decomposition product of protein.

Peptides are composed of amino acids in a certain order connected by peptide chain.

According to the accepted nomenclature, it divided into oligopeptides, polypeptide and protein.

Oligopeptide is composed of 2-9 amino acids.

Polypeptide is composed of 10-50 amino acids.

Protein is a peptide derivative composed of more than 50 amino acids.

It was a view that when protein entered into body, and under the action of a series of digestive enzymes in the digestive tract would digest into polypeptide, oligopeptide, and eventually decomposed into free amino acids, and the absorption for body to protein can only be done in the form of free amino acids.

With the rapid development of modern biological science and nutrient, scientists have found that oligopeptide can completely absorbed by intestine, and gradually accepted by people as the oligopeptide type I and type II carriers were successfully cloned.

The scientific research has found that oligopeptide has unique absorption mechanism:

1. Directly absorption without any digestion. It has a protective film on its surface, which will not be subjected to enzymatic hydrolysis by a series of enzymes in the human digestive system, and directly enters the small intestine in a complete form and is absorbed by the small intestine.

2. Quick absorption. Without any waste or excrement, and repair for the damaged cells.

3. As a bridge of carrier. Transfer all kinds of nutrients to cells, organs and organizations in body.

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It is widely used in many fields such as medical care, food and cosmetic with its easy absorption, rich nutrient and various physiological effect, which becomes a new hot point in high-tech field. Small molecule peptide has been recognized by National Doping Control Analysis Organization as safe product for athletes to use, and People’s Liberation Army Eighth One Industrial Brigade is taking small molecule peptides. Small molecule peptides have replaced energy bars used by athletes in the past. After high-intensity competition training, drinking a cup of small molecule peptides is better for restoring physical fitness and maintaining health than energy bars. Especially for muscle and bone damage, the repair function of small molecule peptides is irreplaceable.


Post time: Apr-07-2021

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