China Food Grade Nutrition Enhance L-Hydroxyproline CAS 51-35-4, Find details about China CAS 51-35-4, L-Hydroxyproline from Food Grade Nutrition Enhance L-Hydroxyproline CAS 51-35-4
Inspect Item | Quality Standard | Inspection Result |
Description | White crystals or crystalline powder | White crystalline powder |
Specific Rotation | -74.0° ~ -77.0° | -75.1° |
Identification | Conforms | Conforms |
ph | 5.0 ~ 6.5 | 5.9 |
luminousness | ≥95.0% Not less than 95.0% | 99.2% |
Chloride(CL) | ≤0.020% Not moe than 0.020% | <0.020% Less than 0.020% |
Sulfate(SO4) | ≤0.020% Not more than 0.020% | <0.020% Less than 0.020% |
Ammonium(NH4) | ≤0.02% Not more than 0.020% | <0.02% Less than 0.02% |
Heavy Metals(Pb) | ≤0.001% Not more than 0.001% | <0.001% Less than 0.001% |
Iron(Fe) | ≤0.001% Not more than 0.001% | <0.001% Less than 0.001% |
Arsenic(As2O3) | ≤0.0001% Not more than 0.0001% | <0.0001% Less than 0.0001% |
Other Amino Acids | Not detectable | Not detected |
Loss On Drying | ≤0.20% Not more than 0.20% | 0.13% |
Residue On Ignition | ≤0.10% Not more than 0.10% | 0.05% |
Assay | 98.5 ~ 101.0% | 99.3% |
Conclusion: Conform |