Product Brief Introduction
Product name: Gamma-Glutamylcysteine (Precursor of Glutathione)
CAS: 636-58-8
MF: C8H14N2O5S
MW: 250.27
Product Specification
|
Appearance |
White to off-white powder |
|
Identification |
HPLC: the retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay. |
|
Moisture (K.F) |
≤ 10.0% |
|
Residue on Ignition |
≤ 3.0% |
|
L-Cysteine (HPLC) |
≤ 15.0% |
|
L-Glutamic Acid (HPLC) |
≤ 5.0% |
|
Maltodextrin (Blending) |
≤ 40.0% |
|
Heavy Metals (as Pb) |
≤ 20ppm |
|
Lead (ICP-MS) |
≤ 1.0ppm |
|
Cadmium (ICP-MS) |
≤ 0.3ppm |
|
Mercury (ICP-MS) |
≤ 0.2ppm |
|
Arsenic (As2O3) (ICP-MS) |
≤ 1.0ppm |
|
Total Plate Count |
≤ 1000cfu/g |
|
Yeasts&Molds |
≤ 100cfu/g |
|
E. Coli |
Negative in 10g |
|
Salmonella |
Negative in 10g |
|
Staphylococcus Aureus |
Negative in 10g |
|
Assay (HPLC) |
≥ 45.0% |
| Storage |
Stored under 2℃~8℃ and dry well-closed container. Keep dry and away from oxidizing agent. |
