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Glutathione, a tripeptide, consists of glutamic acid, cysteine, and glycine. It is mainly present in the liver in human body and plays the important role in maintaining life activity. |
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Analysis Item |
Specifications |
| Descriptions |
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| Appearance |
It occurs as white crystals or
crystalline powder. |
| Odor and taste |
Almost odorless and tast sour. |
| Solubility |
It is soluble in water. |
| Identification |
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| Ninhydrin test |
Positive |
| Lead acetate test |
Positive |
| IR spectrum |
It exhibits the absorption at the
wavelength of about3340, 3240, 2520,1712,1662,and1532cm-1 |
| Optical rotation |
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| Melting point |
About185°C |
| Purity test |
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| Solution |
Clear solution |
| Heavy metals |
Not more than 5ppm |
| Arsenic |
Not more than 1ppm |
| Iron |
Not more than 5ppm |
| Loss on drying |
Not more than 0.5% |
| Residue on ignition |
Not more than 0.1% |
| Assay |
Not less than 98.0% |
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Glutathione di-sufide (GSSG) is oxidized form of glutathione. Both GSH and GSSG are
naturally occuring glutathione that are present endogenously in various human tissues
and in the diet. |
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Analysis Item |
Specifications |
| Appearance |
White crystalline powder |
| Optical rotation |
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| Heavy metals |
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| Arsenic |
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| Loss on drying |
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| Residue on ignition |
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| Assay |
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Drug bulk for Pharmaceutical Preparations (For anti-inflammatory enzyme preparations) |
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A reagent for clinical laboratory test (For measurement of LDH, amylase, and etc.) |
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A reagent for clinical laboratory test (For measurement of free fatty acid, lipase, and etc.) |
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