Customization: | Available |
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Type: | L-Methionine |
Chemical Character: | Acidity |
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Specification | Standard | Test results |
Appearance | White crystals or crystalline powder | Conform |
Specific optical rotation | +23.0°~+24.5° | Conform |
State of solution | >=98% | 98.5 |
Chloride(CL) | <=0.020% | 0.00% |
Ammonium | <=0.02% | 0.01% |
Sulphate(SO4) | <=0.02% | 0.02% |
Iron(Fe) | <=10ppm | 2ppm |
Heavy metals(Pb) | <=10ppm | 1ppm |
Arsenic salt | Not more than 1ppm | 0.1ppm |
Organic volatile impurities | Meets the requirements | Conforms |
Loss on drying | <=0.4% | 0.15% |
Residue on ignition | <=0.1% | 0.07% |
Assay | 99.0%-100.5% | 99.50% |
pH | 5.6-6.1 | 5.9 |
Conclusion: | The above specifications meet the requirements of USP36 |
Product Usage:
DL-Methionine is one of the basic units for composing the protein, is the only sulfur bearing amino acid among the essential amino acids, it participated in the transmethylation interior the animal body, the phosphorus metabolism and the adrenalin, choline and creatine synthesis, it also is the raw material of the protein and cystine synthesis. Methionine is unable to synthesize in the animal body, must take in from food. Adds it in the feed, can promote the poultry to grow, increase lean meat quantity and reduce the feeding cycle.