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L-Glutathione Reduced (GSH)
1.is a tripeptide which consists of glutamic acid, cysteine, and glycin. And it comprises a major portion of cellular nonprotein thiols, plays a central role in a diverse group of cell metabolic functions.
Glutathione is soluble in water, dil alcohol, liq ammonia, dimethylformamide, not in grain alcohol, aether and acetone. Its solid is relative stable. And its solution is easily oxidized in the air.Two molecules also the lively reduced glutathione-condensation of the disulfide bonds, are oxidized glutathione (GSSH), but only reduced glutathione (GSH) has physiological activity. (GSH)
Glutathione is widely applied to food, pharmaceutical, cosmetic and other fields.
L-Glutathione via microbe fermentation, separation, purification and other modern
bioengineering techniques.
2.SPECS
| Test Items | Specifications | |
| Appearance | White or almost white crystalline powder | |
| Solubility | Freely soluble in water,practically insoluble in ethanol(99.50%) | |
| Identification | Passes test | |
| Melting Point | About 185°C (with decomposition) | |
| Clarity and color of solution | Clear and colourless | |
| Assay( On dry basis) | 98.0% - 101.0% | |
| Specific optical rotation(after drying) | -15.50~-17.50 | |
| Loss on drying | ≤0.5% | |
| Residue on Ignition | ≤0.10% | |
| Related Substances(Total) | ≤ 2.0% | |
| Related Substances(GSSG) | ≤ 1.5%: | |
| Heavy metals | ≤10.0 ppm | |
| Arsenic | ≤2.0ppm | |
L-Glutathione Reduced