Food Grade Chitosan Oligosaccharide

Specifications Test Items Specifications Colour and lustre Light yellow or yellow Taste and smell Particular smel,a little sour taste Impurities No visible foreign matter Character Powder Moisture ≤10.0 % Ash Content ≤1.0 % Insoluble ≤1.0 % pH value 5.0-7.0 Content ≥90 % Molecular weight 340-1630 Da DAC ≥90 % As ≤0.5 mg/kg As ≤1.0 mg/kg Pb ≤0.5 mg/kg Hg ≤0.5 mg/kg Total plate count ≤1000 CFU/g Coliform bacteria ≤0.4 MPN/g Yeast ≤25  CFU/g Mold ≤25 CFU/g Staphylococcus aureus Negative Vibrio parahaemolyticus Negative Salmonella Negative