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Specifications of L-Methionine丨63-68-3
|
Property |
Specification |
|
Grade |
AJI92 |
|
Appearance |
White crystals or crystalline powder |
|
Assay |
99~100.5% |
|
Specific Rotation [α]D20 |
+23.0°~+24.5° |
|
Chloride (Cl) |
0.02% max |
|
Ammonium (NH4) |
0.02% max |
|
Sulfate (SO4) |
0.02% max |
|
Iron (Fe) |
10 ppm max |
|
Heavy Metals (as Pb) |
10 ppm max |
|
Arsenic |
1 ppm max |
|
Other Amino Acids |
0.5% max |
|
Loss on Drying |
0.2% max |
|
Residue on Ignition |
0.1% max |
|
pH |
5.6 - 6.1 |
Introduction of L-Methionine丨63-68-3
L-Methionine丨63-68-3 is an essential amino acid that plays a crucial role in protein synthesis, metabolism, and detoxification. Since the human body cannot synthesize it, L-methionine must be obtained from dietary sources or supplements. It is widely used in pharmaceuticals, animal feed, food supplements, and cosmetics.
Applications of L-Methionine丨63-68-3
1. Pharmaceuticals and Healthcare
Liver Health and Detoxification:
Aids in the detoxification of harmful substances and supports liver function.
Antioxidant Properties:
Serves as a precursor to glutathione, a key antioxidant that protects against oxidative stress.
Treatment of Joint Disorders:
Used in managing arthritis and osteoarthritis, as it contributes to cartilage formation.
Mental Health Support:
Plays a role in neurotransmitter production, helping with mood regulation and cognitive function.
2. Animal Nutrition
Essential Supplement in Animal Feed:
Supports growth, muscle development, and immune function in livestock and poultry.
3. Food and Dietary Supplements
Nutritional Supplement:
Commonly found in sports nutrition and protein powders to promote muscle health and metabolism.
Fortification in Food Products:
Added to foods to enhance protein content and amino acid balance.
4. Cosmetics and Personal Care
Skin and Hair Care:
Helps in collagen formation, improving skin elasticity and hair strength.
5. Industrial Applications
Biochemical Research:
Used as a precursor in biochemical studies and biotechnology applications.
Benefits of L-Methionine丨63-68-3
1. Supports Protein Synthesis and Muscle Growth
● Essential for building and repairing tissues, making it beneficial for athletes and bodybuilders.
2. Aids in Detoxification and Liver Function
● Helps in removing heavy metals and supports the production of glutathione, a powerful detoxifier.
3. Promotes Healthy Skin, Hair, and Nails
● Contributes to collagen and keratin production, enhancing skin, hair, and nail health.
4. Improves Metabolism and Weight Management
● Involved in fat metabolism, preventing excess fat accumulation in the liver.
5. Enhances Cognitive Function and Mood Stability
● Supports the production of neurotransmitters like serotonin and dopamine, promoting mental well-being.
Conclusion
L-Methionine丨63-68-3 is a vital amino acid with diverse applications in medicine, nutrition, animal feed, and cosmetics. Its antioxidant, detoxifying, and protein-building properties make it essential for overall health, metabolic processes, and industrial uses.

