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The main use of Chitosan oligosaccharide(COS)

Jul. 04, 2019
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The processing of polymer chitosan into water-soluble low molecular chitosan oligosaccharides by the original microwave physics method is another new biotechnology after genetic engineering and protein engineering. It is called the third generation biotechnology and can be widely used. It is used in agriculture, food, chemical, energy, environmental protection, medicine and other fields.


1. Agricultural field

Chitosan oligosaccharide changes the soil flora and promotes the growth of beneficial microorganisms. Chitosan oligosaccharides can also induce plant disease resistance, immunity and killing of various fungi, bacteria and viruses, wheat mosaic disease, cotton verticillium wilt Rice blast, tomato late blight and other diseases have a good preventive effect, and can be developed as biological pesticides, growth regulators and fertilizers.


2. Daily chemical industry

Chitosan oligosaccharide has obvious moisturizing effect, activates body cells, prevents rough skin and aging, inhibits harmful bacteria on the skin surface, inhibits skin diseases and absorbs ultraviolet rays. It can be applied to moisturizing, anti-wrinkle, sunscreen and other skin care products. Chitosan oligosaccharides also have a film-forming permeability to keep the surface of the hair moist, easy to comb, and anti-static, anti-dust, anti-itch and anti-dandruff, used in hair care products.

3. Biological veterinary medicine field

Using its antibacterial action, preventing or treating animal diseases caused by bacteria such as Staphylococcus aureus, Escherichia coli, Actinobacillus, Streptococcus mutans, etc.; using chitosan oligosaccharide to promote wound healing, can be used for animal trauma or fracture Adjuvant therapy; because it has the effect of lowering blood fat, it can also be used for the treatment of pet obesity; since carboxymethyl chitosan has good complexing ability to iron, zinc and calcium ions, it is expected to be made into new ones. Natural iron supplement, zinc supplement and calcium supplement.


4. Feed additive field

Chitosan oligosaccharide is non-toxic, non-heat source, non-mutative, regulates microbial metabolic activities in the intestinal tract of animals, selectively activates and proliferates beneficial bacteria, lowers cholesterol and blood lipid content, improves immunity and lean meat rate, etc. as feed and bait additives, shell Oligosaccharides have significant effects on improving the immunity, disease resistance and growth promotion of livestock, poultry and aquatic animals (fish, shrimp, shellfish, and ginseng). Chitooligosaccharides also have the function of inhibiting the growth and reproduction of pathogenic bacteria, which can promote protein synthesis and cell activation, thereby improving livestock and poultry production performance.


5. Medical field

It plays an important role in the body's immune regulation, anti-tumor, blood lipid lowering, blood sugar regulation, liver and cardiopulmonary function and other physiological functions.


6. Food field

Dairy: As an activating factor of intestinal probiotics (such as Bifidobacterium), it promotes the absorption of calcium and minerals.

Condiment: As a natural antiseptic product, it replaces chemical preservatives such as sodium benzoate.

Beverage: It is used in functional drinks such as slimming, detoxification, and immune regulation.

Fruits and vegetables: The film is preserved, and the film layer has permeability and water resistance, and has antibacterial and antiseptic effects.



Chitosan oligosaccharide has a wide range of industrial applications. It is an important chemical. It has many advantages, such as low molecular weight, good water solubility, large functional effect, easy to be absorbed by the human body, high biological activity, and has the characteristics of pure natural, no radiation, no pollution, no addition.


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