| 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 | |