Description
Potassium alginate
CAS No:.9005-36-1
Molecular Formula:(C6H7KO6)n
Appearance:White or ligjt yellow powder.
Uses: Potassium alginate is widely used in foods as a stabilizer, thickener, and emulsifier.
Its use as a pharmaceutical excipient is currently limited to experimental hydrogel systems. The viscosity, adhesiveness, elasticity, stiffness, and cohesiveness of potassium alginate hydrogels have been determined and compared with values from a range of other hydrogel-forming materials. The effect of calcium ions on the rheological properties of procyanidin hydrogels containing potassium alginate and intended for oral administration has also been investigated.
Specification of Potassium Alginate
| Inspection Items | Specification |
| Appearance | White granule or yellowish powder |
| Viscosity (cps) | 5-1000 |
| Particle Size (mesh) | 30-200 |
| Moisture (%) | <14 |
| Sulfated Ash (%) | ≤35 (Dried basis) |
| PH (1% water solution) | 6.0-9.5 |
| Calcium (%) | <0.30 |
| Heavy Metals (mg/kg) | <40 |
| Pb (mg/kg) | <5 |
| As (mg/kg) | <2 |
| Total Bacteria (cfu/g) | <1000 |
| Yeast and Mould (cfu/g) | <200 |
| E. Coli | Negative |
| Salmonella | Negative |
Information is up-to-date: 07.03.2018
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Potassium alginate
