Product Name | VITAMIN B2 (RIBOFLAVIN) | ||
Batch Number | 2010401 | Quantity | 1000kgs |
Quality Standard | USP | Packing | 25 kg/drum |
Manufacture Date | Oct.28,2020 | Expiry Date | Oct.27,2023 |
Orange-yellow crystalline powder, almost odorless, slightly bitter taste, moisture-inducing.
Item | Standard | Test Result |
Description | Yellow or orange-yellow crystalline hygroscopic powder | Conform |
Identification | Positive | Conform |
Assay(%) | 73.0% ~ 79.0% | 75.1 |
Specific rotation | +37.0 ~ +42.0 | +39.9 |
PH | 5.0-6.5 | 6.1 |
Loss on drying(%) | 7.5max | 6.0 |
Lumiflavin | 0.025max | 0.008 |
Free Riboflavin(%) | 6.0max | 5.0 |
Riboflavin Diphosphate(%) | 6.0max | 4.3 |
Inorganic Phosphate(%) | 1.0max | 0.6 |
Residue on ignition(%) | 25.0max | 22.9 |
Conclusion | This batch of product complies to the standard. |