Vitamin B2 (chemical formula: C17H20N4O6, 376.37), also called riboflavin, slightly soluble in water, heating in neutral or acidic solution is stable. For yellow enzymes in the body part of prosthetic group (yellow enzymes play a role of hydrogen in the biological oxidation reduction), when the lack of, will affect the body's biological oxidation, and make the metabolic disorder. Its lesions characterized by inflammation of the mouth, eye and genital area, such as deficiency, cheilitis, glossitis, conjunctivitis and scrotal phlogistic, etc., so the product can be used in the prevention and control of the disease. Vitamin B2 storage is very limited, so every day provided by the diet.
[ Analysis of certificate ]
| Item | Standard | Result |
| Appearance | Yellow to Orange-yellow powder or granular | Yellow Granular |
| Particle size | Sieve 90% pass through 0.28mm normal sieve | 92% |
| Assay | ≥80% | 80.5% |
| Loss on drying | ≤3.0% | 2.0% |
| Residue on ignition | ≤5.0% | 3.0% |
[Packing]: Net 25kg/1000kg/1200kg/1300kg in Plastic woven bags with PE lining
[Shelf Life]: Two years when properly stored