| ≥1 piece |
Factory direct supply Vitamin Raw Material Powder L-proline
| Item | Standard |
| Appearance | White crystals or crystalline Powder |
| Assay (%) | 98.5~101.0 |
| Loss on drying (%) | ≤ 0.30 |
| Residue on ignition (%) | ≤ 0.10 |
| Heavy metal (Pb) | ≤ 15 ppm |
| Arsenic (%) | ≤ 0.30 |
| Specific Rotation | -84.5°~-86.0° |
| Sulfate (SO4) (%) | ≤ 0.02 |
| Chloride (Cl) (%) | ≤ 0.05 |
| Melting point ( ℃) | 228 °C (dec.)(lit.) |
| Iron (Fe) | ≤ 10 ppm |
| Storage | in the shade |
| Packing | 25kg/drum or 25kg/bag |
Applications of proline:
1. For biochemical research, used in medicine for malnutrition, protein deficiency, gastrointestinal diseases, burns and post-operative protein supplementation.
2. Nutritional supplements. A flavoring agent that reacts with a sugar to form an amino-carbonyl reaction to form a special aroma. According to China's GB 2760-86 regulations can be used as a spice.
3. For amino acid injection, complex amino acid infusion, food additives, nutritional supplements, etc.
4. Pharmaceutical raw materials and food additives.