| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | Type white to yellow powder | Conforms |
| Solubility | Soluble in water, no visible evidence of contamination of foreign matter | Conforms |
| Identification | IR spectra is consistent with CRS | Conforms |
| The retention time of the major peak of the assay preparation corresponds to that of the standard preparation, as obtained in the assay | Conforms | |
| Positive in phosphate test | Conforms | |
| PH | 5.0~8.0 | 6.6 |
| Residue on ignition | ≤5.00% | 1.8% |
| Water | ≤5.00% | 2.30% |
| Related compounds | ≤2.00% | 0.27% |
| Cis-Isomer | 82.0%~88.0% | 86.5% |
| Trans-Isomer | 12.0%~18.0% | 13.5% |
| Heavy metal | ≤30ppm | <30ppm |
| Assay | ≥75.0% | 77.1% |
| Conclusion: The Product Conforms to Enterprise Standard. |
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