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L-Glutathione CAS 70-18-8, also known as reduced Glutathione and Glutathione, and abbreviated as GSH, is white powder and high purity reaches 98%. L-Glutathione is widely used in food production and cosmetic purpose. It is also widely used to prevent pigmentation function so as to protect our skin.
Specification
Pharmaceutical Grade
Appearance White or almost white, crystalline powder or colourless crystals
Solubility freely soluble in water, very slightly solublie in ethanol and in methylene chloride
Identification S.O.R. -15.5°～-17.5°
Infrared Conforms to the Reference Spectrum
Specific optical Rotation -15.5°～-17.5°
Appearance of solution Clear and colourless
Related Substances Impurity A (L-cysteinylglycine)
Not more than 0.5%
Impurity B (Cysteine) Not more than 0.5%
Impurity C (L-glutathione oxidised) Not more than 1.5%
Impurity D(L-γ-glutamyl-L-cysteine) Not more than 1.0%
Impurity E (Product of degradation) Not more than 0.5%
Total Impurities Not more than 2.5%
Heavy Metals Not more than 10ppm
Chlorides Maximum 200ppm
Sulphates Maximum 300ppm
Ammonium Maximum 200ppm
Iron Not more than 10ppm
Sulfated ash Maximum 0.1%
Loss on drying Maximum 0.5%
Bacterial Endotoxin Not more than 0.10EU/mg
Assay 98.0% to 101.0%
● L-Glutathione Reduced has elimination function of lipid peroxide and grease resistance to oxidation. And has anti-lipid oxidation. It can also prevent flavor nucleotides (inosinic acid, guanylic acid) food (fish cake, sausages, sauces, etc) lose their fresh flavor nucleotides in decomposing. Besides, it can strengthen the food flavor, and greatly extend the shelf life of food.
● Add L-Glutathione Reduced into the canned fruit, it can prevent fruit browning; Add to dairy product, it can effectively preventenzymatic and non enzymatic browning.
● L-Glutathione Reduced and deamination acid, L-monosodium glutamate, xylose coexistence heating will produce very good beef flavor. It mixed with favor nucleotides such as inosinic acid, guanylic acid, and sodium glutamic acid, that will produce a strong meat flavor. It can be used as a flavoring agent in various processed foods. It also has the effect of enhancing flavor when added to meat and cheese.
● L-Glutathione Reduced has the function of protecting the liver, inhibiting formation of fatty liver. Liver protection agent.Owing to its broad spectrum of physiological function, it can be widely used in the food,especially in anti-aging, enhance immune function and anti-tumor functional food base, enhance nutrition, additives and so on.
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