Riboflavin, also known as vitamin B2, is a vitamin found in food and used as a dietary supplement.
CAS #83-88-5
Riboflavin, also known as vitamin B2, is a vitamin found in food and used as a dietary supplement.
Riboflavin, also known as vitamin B2, is a vitamin found in food and used as a dietary supplement. As a supplement it is used to prevent and treat riboflavin deficiency and prevent migraines. It may be given by mouth or injection.
| Test | Specifications USP39 | Results | Specifications BP2008/EP5 | Results |
| Appearance | A yellow or orange yellowcrystalline powder | yellow crystalline powder | A yellow or orange yellowcrystalline powder | yellow crystalline powder |
| Solubility | Very slightly soluble in water,practically insoluble in ethanol (96 percent) . | Conform | ||
| Identification | Conform | Conform | Conform | Conform |
| Absorbance | A373nm/ A267nm=O. 31～ 0.33A44nm/A267nm=O. 36～ 0.39 | 0.320.38 | ||
| Specific rotation | -115 ～－135 | -121 | -115 ～－135 | -132 |
| Loss on drying, | ≤1.5 | 0.24 | ≤1.0 | 0.23 |
| Residue on ignition | ≤0.3 | 0.1 | ≤1.0 | 0.1 |
| Lumiflavin | 440nm Absorbance≤0.025 | 0.006 | ≤0.025 | 0.025 |
| Assay | 98.0-102.0 | 98.3 | 97.0-103.0 | 99 |
1. Stimulate growth and cell regeneration;
2. The skin, nails, hair, normal growth;
3. To help eliminate the mouth, lips, tongue inflammation;
4. To enhance visual acuity and reduce eye fatigue;
5. The interaction with other substances to help the carbohydrates, fats, protein metabolism.
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