Glucosamine is an amino sugar and a prominent precursor in the biochemical synthesis of glycosylated proteins and lipids.Glucosamine is part of the structure of the polysaccharides chitosan and chitin, which compose the exoskeletons of crustaceans and other arthropods, as well as the cell walls of fungi and many higher organisms.
| ITEMS | STANDARD |
| Assay(drying basis) | 98%-102% |
| Specification Rotation | 70°-73° |
| PH value(2%.2.5) | 3.0-5.0 |
| Loss on drying | Less than1% |
| Chloride | 16.2%-16.7% |
| Residue on lgnition | Less than0.1% |
| Organic volatile impurities | Meet requirement |
| Heavy Metal | Less than0.001% |
| Arsenic | Less than3ppm |
| Total aerobic microbial count | Less than500cfu/g |
| Yeas tmold | Less than100cfu/g |
| E.Coli | Negative |
| Salmonella | Negative |
| Distinction | Food grade |
| Appearance | Crystallion powder,white |
| Storage Condition | Cool and dry condition |
| Shelf life | 2 years |
| conclusion | Conform to USP 27 requirement |