Technical aspects
Hyaluronan powder has a high glucuronic acid content and stable quality parameters. Thanks to its specific molecular weight range, it exhibits beneficial functional properties.
| Parameter | Value |
|---|---|
| Sodium hyaluronate (dry weight) | ≥ 95.0% |
| Glucuronic acid (dry weight) | ≥ 46.0% |
| Particle size | 80 mesh |
| pH (0.5% aqueous solution, 25℃) | 6.0–8.0 |
| Sulphates | ≤ 0.3% |
| Loss on drying | ≤ 10.0% |
| Ash after calcination | ≤ 13.0% |
| Molecular weight | 1.00–1.50 million Da |
| Intrinsic viscosity</ td> | 17.2–23.6 dL/g |
| Bulk density | 0.2–0.6 g/cm³ |
| Protein | ≤ 0.2% |
