| Product name | γ-Polyglutamic acid(Na+ form) |
| ITEMS | STANDARD |
| Physical appearance | White to off white granular or powder, no agglomeration |
| Assay | ≥90% |
| Intrinsic viscosity | 1.0-5.0dL/g |
| Molecular weight | Measured value |
| Loss on drying | ≤10% |
| Heavy metals (Pb) | ≤10 mg/kg |
| Transmittance (5g/L,AQ,400nm) | ≥95% |
| PH (10g/L,AQ,25℃） | 5.0-7.5 |
| Total plate count | ≤100CFU/g |
