| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder, smell-less, little sweet | Conform |
| Identification | Perfect | Perfect |
| Visible UV spectrum | Absorbance between 230and 350 nm: 0~0.100 Absorbance between 350 and 750 nm: 0~0.050 |
Conform |
| Cleanness and color solution | Cleanness | Cleanness |
| Specific Rotation | +159°~+164° | +161.7° |
| PH | 5.0~8.0 | 6.3 |
| Residue solvents(cyclohexane) | Should meet the requirements | Conform |
| Loss on drying | ≤14% | 11.3% |
| As | ≤0.0002% | ＜0.0002% |
| Reducing sugar | ≤1.0% | 0.058% |
| Heavy metals | ≤10ppm | ＜10ppm |
| Residue on ignition | ≤0.1% | 0.062% |
| The total Aerobic count | ≤1000cfu/g | 100cfu/g |
| The total Moulds and Yeast | ≤100cfu/g | 30cfu/g |
| E. Coli | Negative | Negative |
| Assay | 98.0%~102.0% | 99.89% |
| Conclusion: The Product Conforms to CP/USP. |
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