Chitosan oligosaccharide

                                   
Product quality standards:

 


	

		

			

			
Items
			
			

			
Standard
			
		
		

			

			
Appearance
			
			

			
Yellow free flowing powder
			
		
		

			

			
Odour
			
			

			
Odorless
			
		
		

			

			
Chitooligosaccharide content (2-10 degrees of polymerization of oligoglucosamine)（g/100g)
			
			

			
≥80.0%
			
		
		

			

			
M.W
			
			

			
<3000
			
		
		

			

			
Bulk Density
			
			

			
≥0.25g/ml
			
		
		

			

			
Particle size(U.S.Mesh )
			
			

			
≥150 目
			
		
		

			

			
Deacetylated Degree
			
			

			
≥90.0%
			
		
		

			

			
Insoluble
			
			

			
<0.2%(35℃)
			
		
		

			

			
Water Content
			
			

			
≤10.0%
			
		
		

			

			
Ash Content
			
			

			
≤0.5%
			
		
		

			

			
pH Value
			
			

			
5.5～7.0
			
		
		

			

			
Arsenic
			
			

			
≤0.5ppm
			
		
		

			

			
Heavy Metals
			
			

			
≤10ppm
			
		
		

			

			
Microbiological Test

			
Total Plate Count

			
Yeast&Mold

			
Coliforms Group

			
Salmonella

			
staphyloccus
			
			

			
 

			
≤1000CFU/g

			
≤100CFU/g

			
≤30MPN/100g

			
Not checked out

			
Not checked out