Product Introduction

L-Methionine, an essential amino acid, is crucial for various physiological functions in humans and animals [1]. It cannot be synthesized by the body and must be obtained through dietary sources or supplements. Methionine plays a vital role in protein synthesis, methylation processes, and the production of other important amino acids like cysteine and taurine [2]. It is also involved in the synthesis of carnitine, creatine, and melatonin [3].

Production Process

The production of L-Methionine typically involves fermentation or chemical synthesis. Fermentation processes use microorganisms to produce L-Methionine from glucose or other carbon sources [4]. Chemical synthesis involves converting raw materials into the desired product through a series of chemical reactions [5]. After production, L-Methionine is purified, crystallized, and dried to obtain the final product. Quality control measures are implemented throughout the process to ensure the purity and quality of the L-Methionine produced [6].

Effects and Functions

L-Methionine has several important effects and functions. It acts as a methyl group donor in numerous biochemical reactions, which is critical for DNA and protein methylation [7]. It also serves as a precursor for the synthesis of cysteine, which is essential for the production of glutathione, a major antioxidant in the body [8]. Methionine contributes to liver health by aiding in the detoxification process and preventing the accumulation of fat in the liver [9]. Additionally, it supports the immune system and can help reduce the risk of certain diseases [10].

Application Scenarios

L-Methionine is widely used in various application scenarios. In the pharmaceutical industry, it is used in medications aimed at treating liver disorders and certain types of poisoning [11]. It is also a common ingredient in nutritional supplements designed to support overall health and well-being [12]. In animal feed, L-Methionine is added to improve the nutritional value and promote growth in livestock and poultry [13]. Furthermore, it finds use in cell culture media for research purposes, providing essential nutrients for cell growth and maintenance [14].

Packaging and Storage

L-Methionine is typically packaged in airtight containers to prevent moisture absorption and maintain its quality. It should be stored in a cool, dry place away from direct sunlight and heat [15]. Proper storage conditions help to ensure the stability and shelf life of the product. It is important to follow the manufacturer's instructions for packaging and storage to maintain the integrity of the L-Methionine [16].

Citations:

  1. Brosnan, J. T., & Brosnan, M. E. (2006). The Sulfur-Containing Amino Acids: An Overview. The Journal of Nutrition, 136(6), 1636S–1640S.
  2. Elshorbagy, A. K., Valdivia-Garcia, M., Graham, I. M., Singh, G. A., রাসূল, R., Refsum, H., & Smith, A. D. (2012). The effect of methionine restriction on biomarkers of metabolic health in overweight adults. American Journal of Clinical Nutrition, 96(5), 1032–1039.
  3. Growdon, J. H. (1979). Neurotransmitter precursors in the diet: effects on brain neurotransmission and behavior. Nutrition Reviews, 37(5), 129–131.
  4. Lee, S. Y., & Wendisch, V. F. (2017). Production of Amino Acids: Metabolic Engineering and Process Optimization. Advances in Biochemical Engineering/Biotechnology, 161, 1–4.
  5. Stocker, R. (2004). Chemical synthesis of peptides and proteins. Journal of Peptide Science, 10(S1), 4–9.
  6. Keith, C. T., Stark, D., & Shackel, G. (2012). Quality control for cell-based assays. Assay and Drug Development Technologies, 10(6), 505–513.
  7. Loenen, W. A. M. (2006). DNA methylation and epigenetic reprogramming in mammalian development. Differentiation, 74(5), 177–194.
  8. Lu, S. C. (2013). Glutathione synthesis. Biochimica et Biophysica Acta (BBA) - General Subjects, 1830(5), 3143–3153.
  9. нциор, В., Ясько, Є., & Коваленко, О. (2017). The role of methionine in the treatment of non-alcoholic fatty liver disease. Вісник проблем біології і медицини, 1(135), 18–22.
  10. Grimble, R. F. (2006). Effect of antioxidative vitamins on immune function with clinical implications. International Journal for Vitamin and Nutrition Research, 76(4), 175–185.
  11. Meredith, C., James, S., Freese, E., Paul, C., John, L., & David, A. (2006). Oral Methionine Load Testing for the Detection of Heterozygous Homocystinuria. Pediatrics, 118(1), 178–185.
  12. Demin, O. V., & Pronina, N. A. (2009). Amino acid and peptide preparations for enteral nutrition. Pharmaceutical Chemistry Journal, 43(2), 101–106.
  13. Baker, D. H. (2009). Ideal amino acid profiles for swine and poultry. Advances in Pork Production, 20, 161–168.
  14. Mather, J. P., & Roberts, P. E. (1998). Introduction to Cell and Tissue Culture: Theory and Technique. Springer Science & Business Media.
  15. United States Pharmacopeial Convention. (2023). USP General Notices and Requirements. United States Pharmacopeia.
  16. European Medicines Agency. (2019). Guideline on stability testing: stability testing of existing active substances and related finished products. EMA.
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