Detailed Product Description
Product Name:Vitamin B2
Usage and Application:Riboflavin isessential for the nutriment of infants, pregnant women, nursing mother,patients, etc. It involves and participates in the metabolism of carbohydrates,proteins and fat. Riboflavin is also the major component of flavorprotein, thetransferring enzyme system of hydrogen.  In clinical practice, it isapplicable to treating diseases such as perleche, glossitis, ophthalmitis,conjunctivitis, ceborrhea, scrotum inflammations with proper effects.Riboflavin is also used widely as a food additive.
Specifications:
Items    | Specifications  | 
Appearance:     | Orange yellow  crystalline powder  | 
Identification:     | positive reaction  | 
Specific Rotation:  | Should be clear and  colorless  | 
Color of solution:     | No more than  solution Y7  or GY7  | 
PH:   | 2.7 °C 3.3  | 
Sulfates:    | 300 ppm max  | 
Nitrates:    | None  | 
Heavy metals:   | 20 ppm max  | 
Absorbance of  solution:    | 0.025 max  | 
Chromatographic  purity:    | 1% max  | 
Loss on drying:     | 5.0% max  | 
Residue on  ignition:   | 0.10% max  | 
Assay:   | 98.5 °C 101.5%  |