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Chitosan oligosaccharide

Chitosan-oligosaccharide (COS) is an oligomer of β-(1→4)-linked D-glucosamine. It is a positively charged alkaline amino oligosaccharide derived from chitin through deacetylation and hydrolysis.

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▏Properties

Chitosan-oligosaccharide (COS) is an oligomer of β-(1→4)-linked D-glucosamine. It is a positively charged alkaline amino oligosaccharide derived from chitin through deacetylation and hydrolysis.

▏Composition

NO.	TEST	SPECIFICATION
1	Appearance	Yellow to brown powder
2	Molecular Weight	1500-3000Da
3	DAC degree	≥90.0%
4	Particle size (100 mesh)	≥99.5%
5	Ash	≤2.0%
6	Insoluble matters in water	≤0.3%
7	pH(1% solution)	5.0-7.0

Alginate Oligosaccharides

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Alginate Oligosaccharides

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Chitosan oligosaccharide

▏Properties

▏Composition

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