L-Glutathione reduced
Miasto: LV, Marupe
Please avoid sudden changes in temperature and humidity, as they may affect the condition of derivative ingredients and tablets.
The shelf life begins from the date of manufacture at the factory.
Taking into account logistical and transportation stages, the remaining shelf life of the product is always shorter than the full shelf life.
We ship products to our customers with a remaining shelf life of no less than 70%.
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 |