Feed Grade Chitosan Oligosaccharide

Feed Grade Chitosan Oligosaccharide

Feed Grade Chitosan Oligosaccharide
Feed Grade Chitosan Oligosaccharide
Feed Grade Chitosan Oligosaccharide



Product Information

Chitosan Oligosaccharide is a mixture of oligomers of D-glucosamine, it is the only know positively charged alkaline amino oligosaccharide which derived from rich marine biological resources (shrimp & crab shells) with enzymatic degradation. The degree of polymerization of the chitosan oligosaccharide is from 2 to 10, and the molecular weight is average 2,000.


Product Code: RCHOS

English Name: Chitosan oligosaccharide, Chitooligosaccharide, Chitosan Oligomers, Chitooligomer, Oligochitosan, COS.

Origin From: Crab shells

Molecular Formula: (C6H11NO4)nn=2~10

Structural Formula:


1 Not be digested by ferment produced by the animals(It can be digested by ferment produced by the beneficial microorganism living in intestine)

2 Excellent Acid and Thermal Stability

3 No Drug Fastness

4 High Solubility in Water

Product Functions

1. Promote the proliferation of beneficial bacteria in animal intestinal tract

The vast majority of animals have no enzyme for digesting chitosan oligosaccharide in the digestive tract, chitosan oligosaccharide can completely reach the hindgut, and most of the chitooligosaccharides are selectively utilized by beneficial bacteria in the intestinal tract, thus promoting the mass reproduction of beneficial bacteria; Neutral bacteria and harmful bacteria (Escherichia coli, Salmonella, etc.) cannot utilize chitosan oligosaccharide, and will be inhibited by chitosan oligosaccharide, thus playing the role of beneficial bacteria proliferation factor and improving the gastrointestinal health of animals.

2. Adsorbing and removing intestinal pathogenic bacteria

The cell surface or villi of pathogenic bacteria (Escherichia coli, Salmonella, etc.) have protein-like structures, called Lectins, which can combine with receptors on the cell surface of intestinal inner wall to adhere to intestinal epithelium for reproduction. However, the structure of the receptor on the cell surface of the intestinal inner wall is the carbohydrate structure with short chain branches. Therefore, chitosan oligosaccharide will competitively combine with the Lectins on the cell surface of pathogenic bacteria to prevent the adhesion of pathogenic bacteria on the intestinal epithelium, so as to obtain no nutrients and lose pathogenicity.

3.Promote the growth of animals

Improve the structure of animal intestinal mucosa, improve the function of digestive organs, increase the villus height and crypt depth of jejunum and ileum, thus facilitating the absorption of nutrients; Promote the absorption of calcium, phosphorus and vitamins, increase daily gain and feed conversion rate, and improve meat quality.

4.Improving animal immunity

Chitooligosaccharides can improve the specific and non-specific immune functions of the body by stimulating the activity of immune cells and promoting the secretion of immune factors, enhance the disease resistance of the body, alleviate the poor prognosis of sick livestock and poultry, and reduce the death rate of animals.

5. Protecting Animal Organs

Chitooligosaccharides have strong adsorbability, can adsorb harmful heavy metals and other antibiotics in vivo and discharge them out of the body, thus reducing the damage of antibiotics to liver. At the same time, it can stimulate the absorption of trace elements by liver, kidney, spleen and stomach, improve the index of thymus, spleen and other organs, and protect the healthy growth of livestock and poultry.

6. Substitute or partially substitute antibiotics

Compared with antibiotics, it has the advantages of no drug resistance, no drug residue, no destruction or killing of beneficial bacteria.

Product Show

1. Livestock and poultry feed additives.

2. Aquatic animal feed additives.

Test Items Specifications
Colour and lustre Yellow or tawny
Taste and smell No odor, no pungent odor
Solubility Soluble in water, insoluble in ethanol, propanol and other organic solvents.
Character Powder
Moisture  ≤10.0 %
Ash Content ≤1.0 %
Insoluble ≤1.0 %
pH value 4.5 - 7.0
Content ≥85 %
Molecular weight ≤3000 Da
DAC ≥85 %
As ≤2.0 mg/kg
Pb ≤5.0 mg/kg
Production Process
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