Complaint
Product Functions:
1. Prevent night blindness and vision loss; it's helpful to the treatment of eye diseases. (VA could promote the formation of photo pigment inside eyes).
2. Anti-respiratory-infection .
3. Immune-system enhancing.
4. Promote early recovery.
5. Keep healthy of organizations or organ surface.
6. Remove senile plaques.
7. Promote healthy growth, strong muscularity, protect skin, hair, teeth and teeth gums.
8. The external use is helpful to the treatment of acne, pimple, skin surface ulcerations.
| TEST ITEMS | SPECIFICATION | RESULTS |
| Description | : White Crystalline Powder | White Powder |
| Identification | : Positive | Positive |
| Assay(by HPLC) | : 98.0~102.0% | 99.34% |
| Absorbance(E1cm) | : 465~495 | 482.5 |
| Melting Point | : 191~195°C | 193.5~195.0°C |
| Loss On Drying | : 0.5%max | 0.19% |
| Specific Rotation | : +288°~ +298° | +290.2° |
| Residue On Ignition | : 0.1%max | 0.03% |
| Related Substances | : Total:1.5%max | <1.3% |
| Single:0.5%max | <0.4% | |
| Residue Solvents | : 0.2%max | 0.10% |
| Heavy Metals | : 20PPm max | <10PPm |
| Conclusion | The specification conform with enterprise standard. | |
