CAS · 59-51-8
Product Overview
DL-Methionine丨CAS 59-51-8 is a synthetic form of the essential amino acid methionine, containing both D- and L-isomers. It is widely used as a nutritional supplement in animal feed and human nutrition due to its critical role in protein synthesis and metabolism.
Product Specifications
| Grade | Feed Grade |
|---|---|
| Appearance | White or light grey crystal |
| DL-Methionine | 99.0% min. |
| Loss on drying | 0.3% max. |
| Chloride (NaCl) | 0.2% max. |
| Heavy metals (as Pb) | 20 ppm max. |
| As | 2 ppm max. |
| Sodium sulfate | 0.7% max. |
Applications
A. Animal Nutrition
DL-Methionine丨CAS 59-51-8 is an essential additive in feed for poultry, swine, cattle, and aquaculture.
It supplements natural methionine deficiency in common feed ingredients such as corn and soybean meal.
Supports optimal growth, feather development, and immune function in animals.
Plays a crucial role in the synthesis of proteins, enzymes, and other sulfur-containing molecules.
B. Human Nutrition and Pharmaceutical Industry
Used as a dietary supplement to provide methionine, which is important for liver health, detoxification, and antioxidant production (via glutathione).
Utilized in parenteral nutrition formulations.
Sometimes applied in cosmetic formulations for hair and skin health.
C. Food Industry
Acts as a nutritional supplement in fortified foods and beverages.
Used to improve the amino acid profile of food products.
Benefits
A. Essential Amino Acid Supplementation
Methionine is a limiting amino acid in many animal diets; supplementation improves protein synthesis and overall health.
Ensures adequate sulfur supply, which is critical for the synthesis of important biomolecules like cysteine and glutathione.
B. Enhances Animal Growth and Productivity
Promotes muscle development, feathering, and reproductive performance.
Improves feed efficiency and weight gain in livestock.
C. Supports Metabolic Functions
Participates in methylation reactions essential for DNA and RNA regulation.
Acts as a precursor for antioxidants, protecting cells from oxidative stress.
D. Cost-Effective Nutritional Solution
Synthetic DL-methionine is more economical and widely available than natural L-methionine.
Easily incorporated into animal feeds and supplements.
Conclusion
DL-Methionine丨CAS 59-51-8 is a crucial synthetic amino acid supplement widely used to meet nutritional requirements in animal husbandry and human health. Its role in protein synthesis, growth promotion, and metabolic regulation makes it indispensable in modern nutrition. By improving feed efficiency and animal productivity, DL-methionine contributes significantly to sustainable agricultural practices and enhanced food security.
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