☉ COS
Chitosan Oligosaccharide consists of 2-10 2-amino-2-deoxy-β-D-glucose residues, linked by β-1,4-glycosidic linkages. The COS comes from Chitin, which is an oligosaccharide isolated from the outer skeleton of insects, crabs and shrimps.
☉ The Preparation of COS
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The Characteristics of COS
As the only oligosaccharide with positive charge in nature, COS has several characteristics which Chitosan do not have, for example lower molecular weight, better soluble and safety.
* Adsorbability with heavy metal and some fat
* Reducibility freedom oxygen elimination
* Basicity reforming body fluid enviroment
* Specification special banding with cells
☉The application of COS
Health food
Biopesticide
Feed additive
Immunity regulation
Plant defense inducing
Substitute of antibiotic and enhancing immunity
Liver protection
Plant growth regulation
Improving metabolism
Assistant elimination of heavy metals
Increasing drought and cold resistance
Promoting growth
☉The application of COS
Appearance: Yellow and light brown powder
Odor: Slightly smell as acetic acid
Contents: ≥85%
Degree of deacetylation: ≥90%
