Chitosan
Cov neeg siv tshuaj xyuas
Chitosan qauv
Lub npe tshuaj: β-(1 → 4)-2-amino-2-deoxy-D-glucose
Cov mis mos glycan: (C6H11NO4)n
Molecular Luj ntawm chitosan: Chitosan yog cov khoom sib xyaw molecular hnyav, thiab qhov hnyav molecular ntawm chav tsev yog 161.2
Chitosan CAS Code: 9012-76-4
Specification
Specification | Txuj | ||
Deacetylation degree | ≥75% | ≥85% | ≥90% |
Tus nqi PH (1% 25 °) | 7.0-8.5 Nws | 7.0-8.0 Nws | 7.0-8.5 Nws |
Moisture | ≤ 10.0% | ≤ 10.0% | ≤ 10.0% |
Tshauv | ≤ 0.5% | ≤ 1.5% | ≤ 1.0% |
viscosity (1% AC, 1% Chitosan, 20 ℃) | ≥800 mpa·s | > 30 mpa·s | 10 ~ 200 mpa·s |
Hnyav Hlau | ≤10ppm | ≤10ppm | ≤ 0.001% |
Arsenic | ≤0.5ppm | ≤0.5ppm | ≤ 1 ppm |
Mesh Loj | 80 mesh | 80 mesh | 80 mesh |
Kev ceev ceev | ≥0.3g / ml | ≥0.3g / ml | ≥0.3g / ml |
Tag nrho Aerobic Microbial suav | ≤2000cfu / g | ≤2000cfu / g | ≤1000cfu / g |
E-Coli | Tsis zoo | Tsis zoo | Tsis zoo |
Salmonella | Tsis zoo | Tsis zoo | Tsis zoo |
Daim ntawv thov teb
Kev kho dej phwj tuaj
Ua liaj ua teb
Ntawv ua kev lag luam
Oli kev lag luam
Pob
Sau koj cov lus ntawm no thiab xa tuaj rau peb