| Analytical Items | Standard | |
| Appearance | White to off-white powder | |
| Identification | HPLC | |
| Loss on drying | ≤5.0% | |
| Sodium | ≤1.0% | |
| Heavy Metals (Pb) | ≤0.5PPm | |
| As | ≤0.5PPm | |
| Cd | ≤0.5PPm | |
| Hg | ≤0.1PPm | |
| Residual sulvent (Ethanol) | ≤2.0% | |
| Assay (HPLC) | 99.0%~101.0% | |
| Microbial limit test | ||
| Total aerobicbacteria count | ≤1000cfu/g | |
| Mold and yeast count | ≤100cfu/g | |
| Escherichia coli | Negative | |
| Salmonella | Negative | |
| Staphylococcus aureus | Negative | |



