Mannuronic Oligosaccharide

Specifications Test Items Specifications Colour and lustre Whitish,Light yellow to yellow Taste and smell With its own inherent smell, no odor Impurities No visible foreign matter Particle size All pass the 0.30mm analysis screen, and the contents on the 0.2mm analysis screen are no more than 10% Character Powder M Content ≥80 % Molecular weight ≤4000 Da Moisture              ; ≤10.0 % Insolubles ≤1.0 % pH value 4.0-7.0 Pb ≤1.0  mg/kg Hg ≤0.3  mg/kg As ≤1.0  mg/kg Plate count ≤30000 CFU/g Coliform bacteria ≤0.92  MPN/g Mold and yeast ≤50  CFU/g Staphylococcus aureus Negative Salmonella Negative