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L-Cystine is a naturally occurring amino acid that plays a crucial role in protein synthesis and the formation of connective tissues, hair, and nails. It is also a potent antioxidant that helps protect cells from damage caused by free radicals.



Product Description: L-Cystine
Product Alias: L-Cys, Cysteine, Cystine
Appearance: L-Cystine is a white, crystalline powder or colorless crystals.
Character: L-Cystine is odorless and has a slightly sweet taste. It is soluble in water and slightly soluble in alcohol.
Category: L-Cystine belongs to the category of amino acids, specifically sulfur-containing amino acids.
Chemical Formula: C6H12N2O4S2
Molecular Formula: L-Cystine has a molecular formula of C6H12N2O4S2.
L-Cystine Application in the Food Industry:
L-Cystine finds various applications in the food industry due to its unique properties and benefits. Here are some key applications:
  1. Flavor Enhancer: L-Cystine is used as a flavor enhancer in various food products. It helps to enhance the savory or umami taste, making the food more appealing to the palate.
  2. Antioxidant: L-Cystine acts as a potent antioxidant, protecting food products from oxidative damage. It helps extend the shelf life of foods by preventing the oxidation of fats and oils, thereby maintaining their freshness and quality.
  3. Dough Conditioner: L-Cystine is often used as a dough conditioner in baking applications. It helps improve the elasticity and texture of dough, resulting in softer and more pliable baked goods.
  4. Nutritional Supplement: L-Cystine is a valuable nutritional supplement, especially for individuals with specific dietary requirements. It provides an additional source of essential amino acids, promoting overall health and well-being.
  5. Meat Processing: L-Cystine is used in meat processing to improve the texture and tenderness of meat products. It helps retain moisture, preventing the meat from becoming dry and tough during cooking or processing.
  6. Nutraceuticals: L-Cystine is utilized in the production of nutraceuticals, which are food products with added health benefits. It is often included in supplements aimed at promoting hair and nail health, as L-Cystine is a key component in their structure.
  7. Flavor Stability: L-Cystine helps maintain the stability of flavors in food products, preventing the degradation or loss of volatile compounds that contribute to the overall taste and aroma.
  8. Protein Fortification: L-Cystine is used to fortify protein-rich food products, such as protein bars or shakes. It helps increase the protein content, making them more nutritious and suitable for individuals with increased protein requirements.
In conclusion, L-Cystine is a versatile ingredient with numerous applications in the food industry. Its role as a flavor enhancer, antioxidant, dough conditioner, and nutritional supplement makes it a valuable component in various food products. Its ability to improve texture, stability, and fortify protein content further adds to its significance in the food industry.