Model COSF -Chitosan Oligosaccharides COS

Appearance : Light yellow powder. Particle size < 60 mesh. Degree of Deacetylation (%DD) ≥ 72 %. Average Molecular Weight ≤ 5 000 Da. Moisture Content ≤  8%. ph : 4-6. As (Arsenic) ≤ 0.5 mg/Kg. Pb (Lead) ≤ 0.5 mg/Kg. Hg (Mercury) ≤ 0.2 mg/Kg. Cd (Cadmium) ≤ 0.2 mg/Kg. Cr (Chromium) ≤ 1 mg/Kg. Ni (Nickel) ≤ 1 mg/Kg. E.coli /g < 3 (MPN/g). Salmonella spp./g : Non detected (ND/25g). S.Aureus < 3 (MPN/g). Coliform < 3 (MPN/g). Yeasts & Molds ≤ 100 CFU/g. Total Plate Count ≤ 1000 CFU/g.