Chitosan , unsolved in water but tenuous acid and absorbed in body is abstracted from chitin. As the first derivation , it, with chemical structure of alkyl polysaccharide polymer with cation, has peculiar physical and chemical capability and biological activating function
Appearance: white to light yellow flake or powder;
Item : industrial grade ;food grade; pharmaceutical grade; high density grade;
Deacetylated dgree%:fª70, fª85, fª90, fª90;
Moisture %f_12.0, f_10.0, f_8.0, f_8.0;
Ash : f_2.0, f_1.0, f_1.0, f_1.0;
Heavy metals ppm: f_10;
Bulk density g/ml: fª0.3;
Total plate counting cuf/g: f_1000;
E.Coli: f_30.
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