| Customization: | Available |
|---|---|
| CAS No.: | 63-68-3 |
| Formula: | C5h11no2s |
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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.
| Items | Medicine grade | Food grade | Feed grade |
| Appearance | White or light yellow crystalline powder | ||
| Content (%) | 99.0~101.0 | 99.0~100.5 | ≥98.5 |
| Specific optical rotation | +20.4 °~+21.4 ° | +20.7 °~+21.5 ° | +18.0° ~ +21.5° |
| Heavy metal (Pb%) | ≤0.0015 | ≤0.001 | ≤0.003 |
| PH | 5.5~7.5 | 5.0~6.0 | 5.0~6.0 |
| Loss on drying (%) | ≤0.4 | ≤0.4 | ≤1.0 |
| Residue on ignition (%) | ≤0.1 | ≤0.1 | ≤0.3 |
| Chloride (Cl%) | 19.0~19.6 | 19.12~19.51 | 19.12~19.51 |
| Arsenic (As2O3%) | ≤0.0001 | ≤0.0001 | ≤ 0.04 |
| Sulfate (SO4%) | ≤0.03 | ≤0.02 | --- |
| Ferric salt (%) | ≤0.003 | ≤0.001 | --- |
Awell Ingredients Co., Ltd is an innovative developer of functional ingredients over 10 years. Headquarters located in high-tech industry development zone, hefei, China.
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