| Item | Spec |
| Appearance | A white or yellowish white powder |
| Identification | Meets the requirements |
| Appearance of Solution | Clear and ≤ BY4 |
| Whiteness Mater | Not less than 68 |
| Specific Rotation | +21.0°~+24.0° |
| Loss on Drying | ≤0.8% |
| Residue on Ignition | ≤0.1% |
| Organic Volatile Impurities | Meets the requirements |
| Melting Point | 107~117℃ |
| Lead | ≤1ppm |
| Arsenic | ≤3ppm |
| Cadmium | ≤1ppm |
| Mercury | ≤0.1ppm |
| Bacteria Amount | ≤1000cfu/g |
| Coliforms Bacteria | ≤30mpn/100g |
| Pathogenic Bacteria | Negative |
| Assay (on dried basis) | 98.0 ~ 100.5 % |
| Standard | USP34/BP2011/FCCVIII/EP6 |
Application
It is used as food additives, media additive, mainly used for nutritional fortifiers and antioxidizing. Widely used in food and beverages. It is a highly efficient, safe, non-toxic,fat-soluble of antioxidants, more for baby food, canned foods, cream etc, can add to the drug ointment and capsule in preparations to increase the drug stability.





