The product is Factory Supply L-Methionine CAS 63 - 68 - 3 With Good Price. L-Methionine is an essential amino acid, which means it cannot be synthesized by the human body and must be obtained from the diet. Its CAS number is 63 - 68 - 3, which is a unique identifier for this chemical compound in the chemical industry.
Chemically, L-Methionine has the molecular formula C₅H₁₁NO₂S and a molecular weight of approximately 149.21 g/mol. It is a white, crystalline powder with a slightly sweet taste. It is soluble in water and has a melting point of around 281 - 284°C. The product is produced under strict factory supply conditions to ensure high - quality standards and good price performance.
1. **Animal Feed**: L-Methionine is widely used in animal feed. In the poultry industry, it is crucial for the growth, feather development, and egg production of chickens. In swine farming, it helps in improving the quality of pork and the overall growth rate of pigs. By adding an appropriate amount of L-Methionine to animal feed, farmers can enhance the nutritional value of the feed and improve animal health and productivity.
2. **Human Nutrition**: For humans, L-Methionine is used in dietary supplements. It plays an important role in metabolism, detoxification, and the synthesis of proteins, hormones, and antioxidants. It can also help maintain proper liver function and support the immune system.
3. **Cosmetics**: In the cosmetics industry, L-Methionine is used in anti - aging and skin - care products. It can help improve the elasticity and firmness of the skin by promoting collagen synthesis.
**Animal Feed**: When using L-Methionine in animal feed, it is usually mixed evenly with other feed ingredients. The dosage depends on the type of animal, its age, and the purpose of feeding. For example, for broiler chickens, the recommended dosage is generally around 0.3% - 0.5% of the total feed. It is important to ensure uniform mixing to avoid uneven nutrition for the animals.
**Human Supplements**: For human dietary supplements, L-Methionine is usually taken orally in the form of capsules or tablets. The recommended daily intake for adults is about 1 - 3 grams, but it should be adjusted according to individual health conditions and dietary needs. It is advisable to consult a doctor or a nutritionist before starting to take L-Methionine supplements.
**Cosmetics**: In cosmetics, L-Methionine is added during the production process. Cosmetic manufacturers need to determine the appropriate concentration according to the specific formulation and requirements of the product to ensure its effectiveness and safety.
**Case 1: Poultry Farming**
A poultry farm in the Midwest of the United States had been facing problems with slow - growing chickens and low egg production. After adding L-Methionine to the chicken feed at a dosage of 0.4%, within a few weeks, significant improvements were observed. The chickens grew faster, and the egg - laying rate increased by about 15%. The feathers of the chickens also became more lustrous, indicating better overall health.
**Case 2: Human Dietary Supplement**
A middle - aged man with liver problems started taking L-Methionine supplements under the advice of his doctor. After three months of regular use, his liver function test results showed significant improvement. His fatigue symptoms were also reduced, and he felt more energetic in daily life.
**Case 3: Cosmetics**
A well - known cosmetic brand developed a new anti - aging cream containing L-Methionine. After conducting a three - month user trial on a group of women aged 40 - 50, about 80% of the participants reported an improvement in skin elasticity and a reduction in fine lines. The brand's sales of this product increased significantly after the positive feedback.
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