China Glutathione CAS 70-18-8 L-Glutatione Raw Powder, Find details about China Glutathione, L-Glutatione from Glutathione CAS 70-18-8 L-Glutatione Raw Powder
Analytical Items | Standard | ||
Appearance | White crystalline powder | ||
Identification | Similar with the Reference Spectrum | ||
Optical Rotation | -15.5°~ -17.5° | ||
Clearity & color of solution | Clear & Colorless | ||
Heavy Metals | ≤10ppm | ||
Pb | ≤3ppm | ||
As | ≤1ppm | ||
Cd | ≤1ppm | ||
Hg | ≤0.1ppm | ||
Related substances | Total | ≤2.0% | |
GSSG | ≤1.5% | ||
Loss on drying | ≤0.5% | ||
Residue on ignition | ≤0.1% | ||
Assay | 98.0% - 101.0% | ||
Microbiology | |||
Total plate count | ≤1000cfu/g | ||
Yeast and mold count | ≤100cfu/g | ||
Total coli forms | ≤100cfu/g | ||
E. coli | Negative/10g | ||
S. aureus | Negative/10g | ||
Salmonella | Negative/10g |