L-Glutathione reduced
Città: LV, Marupe
Physical & Chemical Tests
Test | Specification | Result | Standard Referenced |
Appearance | White or white crystalline powder | Complies | Visual |
Loss on drying | ≤0.5% | 0.10% | 2g/105°C/5hrs |
Residue on ignition | ≤0.1% | 0.09% | 2g/800°C/5hrs |
Bulk density | 0.20–0.70 g/ml | 0.30 g/ml | W/V |
Tapped density | 0.40–0.90 g/ml | 0.65 g/ml | W/V |
Particle size | ≥90% pass 60 mesh | Complies | Sieve |
Identification
Test | Specification | Result | Standard Referenced |
Identification | Positive | Complies | Enterprise Standards |
Clarity and color of solution | Clear and Colourless | Complies | Enterprise Standards |
Identification IR | Similar with the reference spectrum | Complies | Enterprise Standards |
Optical Rotation | -15.5 ~ -17.5 | -16.5 | Enterprise Standards |
Heavy Metals
Test | Specification | Result | Standard Referenced |
Heavy metals | ≤10 ppm | Complies | Colorimetric method |
Arsenic (As) | ≤1 ppm | Complies | AFS |
Lead (Pb) | ≤2 ppm | Complies | AFS |
Cadmium (Cd) | ≤0.3 ppm | Complies | AFS |
Mercury (Hg) | ≤0.2 ppm | Complies | AFS |
Additional Chemical Parameters
Test | Specification | Result | Standard Referenced |
Ammonium | ≤200 ppm | Complies | GC |
Sulphates | ≤300 ppm | Complies | GC |
Chlorides | ≤200 ppm | Complies | GC |
Impurities & Assay
Test | Specification | Result | Standard Referenced |
Total impurities | ≤2.0% | 0.66% | Enterprise Standards |
GSSG | ≤1.5% | 0.42% | Enterprise Standards |
L-Glutathione Reduced | 98.0% ~ 102.0% | 99.5% | Enterprise Standards |
Microbiological Tests
Test | Specification | Result | Standard Referenced |
Total Plate Count | ≤1000 CFU/g | <10 CFU/g | GB 4789.2 |
Mould & Yeast | ≤100 CFU/g | <10 CFU/g | GB 4789.15 |
Coliforms | ≤0.92 MPN/g | Negative | GB 4789.3 MPN counting method |
Salmonella | Negative | Negative | GB 4789.4 |
Staphylococcus Aureus | Negative | Negative | GB 4789.10 |