Customization: | Available |
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Product Name 1: | L-Carnosine |
Product Name 2: | L-Lgnotine |
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Item | Specification |
Appearance | Off-white or white powder |
HPLC Identication | Consistent with the reference substance main peak retention time |
Loss on drying | ≤1.0% |
Residue on Ignition | ≤0.1% |
Specific Rotation, C=1 [a]D20 | +20.0°~+22.0° |
Melting Point | 250.0~265.0ºC |
PH | 7.5~8.5 |
Heavy metals | ≤10ppm |
As | ≤1ppm |
Pb | ≤3ppm |
Hg | ≤0.1ppm |
Cd | ≤1ppm |
Hydrazine | ≤2ppm |
L-Histidine | ≤0.3% |
L-Carnosine | 99.0%-101.0% |
Total Plate count | ≤1000CFU/g |
Yeast &Mould | ≤100CFU/g |
Escherichia Coli | Negative |
Salmonella | Negative |
Packing | Pack in paper-drums and two food grade poly bags inside. Net weight: 20kg/drum |
Storage condition |
Store in a well closed place with constant low temperature and no direct sun light |
Shelf life | Two years when properly stored |