The main properties of Chitosan product specifications
- Degree of Deacetylation (%DD): more than 90 / 90-80 / less than 80 (80-70)
- Molecular Weight (MW) (kDa) :More than 1000 / 1000-500 / 500-125 / 125-80 / 80-30 / 30-10
- Viscosity @1.0 % solution (cPs): 1000 - 600 / 600 - 300 / 300 -100 / 100-20 / less than 20
- Sources of raw materials:non-pollution of snow crab shells
- Particle size (mesh size): the powder form of Chitosan products avilable between 40-150 mesh
- The other properties of Chitosan product specifications
Color Yellow/yellow white/White off
Odor odorless
Ash less than 1.0 %
Moisture content less than 10 %
Tapped density (g/ml) : 0.30-0.40, 0.40-0.50 and 0.50-0.60
Turbidity less than 30 NTU
Insoluble less than 1.0%
pH (1% aqueous dispersion) 6.5 – 7.5
The other significant product properties of Chitosan product specifications idenfyfied for food;
- Heavy metals
Arsenic not more than 0.5 ppm
Lead not more than 0.3 ppm
Cadmium not more than 0.5 ppm
Mercury not more than 0.1 ppm
- Microbiological
Aerobic Plate Count not more than 1000 cfu/g
Yeast & Mold not more than 1000 cfu/g
E.coli Not detected/1g
Staphylococcus aureus Not detected/1g
Salmonella spp. Not detected/25g
Listeria spp. Not detected/25g
Pseudomonas Not detected/25g
- Other
Melamine not more than 2.5 mg /kg
Benzo(a)pyrene not more than 5.0 μg/kg (wet weight)