What are milk peptides, soy peptides, and glutathione used for?

Abstract: Small molecule peptides are a group of different peptides composed of 20 kinds of natural amino acids in different compositions and arrangements, ranging from dipeptides to complex linear and circular structures. They are multifunctional compounds derived from proteins. 

Small molecule peptides have a variety of human metabolism and physiological regulation functions, especially some low peptides not only have better digestion and absorption properties than proteins, but also have physiological functions such as promoting immunity, regulating hormones, antibacterial, antiviral, lowering blood pressure and lowering blood lipids. , Food safety is extremely high, it is currently the most popular research topic in the food science and technology field and a functional factor with great development prospects. 

Keywords: small molecule peptides, active peptides 

Related products for this article: Soy protein


01 Classification of small peptides

1. Divided by raw materials

Small molecule peptides are divided into milk peptides, soy peptides, corn borders, bovine bone marrow peptides, momordica peptides, pea peptides, livestock peptides, oyster peptides, earthworm protein peptides, aquatic peptides, silk protein peptides and complex peptides. 

2. Divided by health care function

Small molecule peptides are classified according to their health care functions, including digestible and absorbable peptides, antibacterial peptides, morphine peptides, morphine antagonistic peptides, angiotensin-converting enzyme inhibitory peptides (referred to as ACEI peptides), cholesterol-inhibiting peptides, and mineral absorption-promoting peptides. The body's defense function peptides, bitter peptides and hepatic encephalopathy prevention and treatment peptides, etc.

02 Functional properties of small peptides

1. Immune active peptides

The casein in human milk or cow's milk contains biologically active peptides that stimulate immunity. Soy protein and rice protein can produce immunologically active peptides through enzymatic reactions, such as the octapeptide with the sequence GYPMYPLR derived from rice protein; derived from soybeans Trypsin hydrolysate of protein, sequence is HCQRPR hexapeptide; human immunoglobulin, sequence is QRPR and tetrapeptide of GQRP; casein derived from human milk or cow milk, sequence is GFL tripeptide and leukocyte ( Antibiotics) immunologically active peptides (such as interferon) have immunological activity. In addition to stimulating the phagocytic ability of macrophages, some peptides can also inhibit the growth of tumor cells. 

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