L-Alanyl-L-Cystine
Key Applications of L-Alanyl-L-Cystine
1. Pharmaceuticals and Therapeutics
Antioxidant and Anti-Inflammatory Agents:
The thiol group of cysteine contributes to antioxidant activity, potentially treating conditions associated with oxidative stress (e.g., neurodegenerative diseases, liver injury).
Reduces inflammation by inhibiting reactive oxygen species (ROS) production and modulating inflammatory pathways.
Cysteine Supplementation in Metabolic Disorders:
For conditions where cysteine absorption is impaired (e.g., cystinuria, a genetic disorder causing cystine kidney stones), L-Alanyl-L-cystine may serve as a stable cysteine prodrug, improving bioavailability.
Wound Healing and Tissue Repair:
Promotes collagen synthesis and fibroblast activity, accelerating wound healing and tissue regeneration.
Cancer Therapy Adjuvant:
As an antioxidant, it may mitigate side effects of chemotherapy (e.g., oxidative damage to healthy cells), though further research is needed to confirm clinical efficacy.
2. Nutraceuticals and Functional Foods
Dietary Supplement:
Added to supplements for its antioxidant properties and role in glutathione synthesis, supporting immune function, liver health, and detoxification.
Sports Nutrition:
Used in energy drinks or supplements to reduce exercise-induced oxidative stress, enhance recovery, and improve muscle function.
Fortification in Special Diets:
Suitable for enteral nutrition formulas (e.g., for patients with gastrointestinal disorders) due to its high digestibility and stable absorption.
3. Cosmetics and Dermatology
Anti-Aging Ingredients:
In creams or serums, it reduces skin damage from UV radiation and environmental pollutants by scavenging free radicals, improving skin elasticity and reducing wrinkles.
Hair and Nail Health:
Promotes keratin synthesis (a protein rich in cysteine), strengthening hair and nails.
Topical Antioxidant Formulations:
Incorporated into skincare products to treat acne, eczema, or other inflammatory skin conditions by reducing oxidative stress.
4. Research and Biotechnology
Biochemical Research Tool:
Used as a standard in amino acid analysis or to study peptide transport mechanisms in cells and tissues.
Peptide Synthesis Intermediate:
Serves as a building block for synthesizing more complex peptides or proteins, especially those requiring cysteine residues for structure or function.
Drug Delivery Systems:
Its solubility and stability make it a potential carrier for hydrophobic drugs, enhancing their bioavailability.
5. Veterinary and Animal Nutrition
Pet Supplements:
Added to pet food to support liver health, immune function, and skin health in animals.
Livestock Feed Additive:
Improves animal growth performance and disease resistance by reducing oxidative stress in intensive farming environments.
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