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Chitosan Oligosaccharide (COS)

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Product name: Chitosan oligosaccharide

CAS 148411-57-8


Chitosan oligosaccharide (COS) is the degradation product of chitosan via enzymatic degradation involving  deacetylation and depolymerization processes. COS is biological immune inducer which activates the immune and growth system.With cell activation effect.

Chitosan oligosaccharide is helpful to the recovery of damaged plants, root

development and seed germination.


Characteristics of Chitosan oligosaccharide (COS)


Good water solubility

Excellent antioxidant and reducing properties

Alkalinity

Moisture absorption and moisturizing ability

High biological activity

Low molecular weight

Easy to be absorbed by the body


Specifications of Chitosan oligosaccharide(COS)


Item

Specifications

Appearance

Light yellow to light brown powder

Assay ,%

≥90

Convertible glucosamine content ,%

≥60

Average molecular weight

322~2200

Monosaccharide content ,%

≤0.5

Water Content ,%

≤10.0

Residue on Ignition ,%

≤2.0%

Water insoluble matter ,%

≤0.50

pH (1% aqueous solution)

3.0~6.0

Turbidity

≤200

Saturation

Conforms

As,mg/kg

≤5

Pb,mg/kg

≤30

Hg,mg/kg

≤3


Application in agriculture of Chitosan oligosaccharide (COS)

Seed treatment agent

Strong seedlings and rejuvenation

Agents for preventing and controlling soil infectious diseases

Virus prevention

Increase sugar content and color to improve quality products

Diversified nutrition and control vigorous growth

Companion, carrier and synergist for pesticide

Alleviating drug damage products (excessive herbicides, hormones)

Revitalization of old plants, ancient trees


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