DL-Alanine 302-72-7
DL-Alanine’s uses span multiple fields, leveraging its amino acid properties and cost-effectiveness (it is often cheaper to produce than pure L-Alanine):
- Flavor Enhancer & Sweetener: Its mild sweetness and ability to enhance umami (savory) flavors make it a food additive (approved in many countries, e.g., China, the EU, and the US) for products like seasonings, snacks, and beverages.
- Nutritional Supplement: It is added to sports drinks or dietary supplements to support energy metabolism (alanine is involved in the "glucose-alanine cycle," which helps remove excess ammonia from muscles during exercise) and muscle recovery. While L-Alanine is more biologically active for this purpose, DL-Alanine is sometimes used as a cost-efficient alternative.
- Pharmaceutical Intermediate: It serves as a raw material for synthesizing drugs, such as antiviral agents, antihypertensives, and vitamins (e.g., vitamin B₆ derivatives).
- Medical Applications: In some cases, it is used to regulate acid-base balance in the body (alanine can act as a weak buffer) or as a component of intravenous (IV) nutrient solutions for patients with malnutrition.
- It is added to skincare products (e.g., moisturizers, serums) for its ability to improve skin hydration, soothe irritation, and support the skin’s natural barrier function. Its small molecular size allows it to penetrate the skin easily.
- Biodegradable Polymer Precursor: It is used to produce polyalanine (a type of biodegradable plastic) or as a co-monomer in other eco-friendly polymers, aligning with "green chemistry" trends.
- Animal Feed Additive: In livestock and aquaculture, it is added to feed to improve nutrient absorption, enhance growth performance, and reduce stress in animals (e.g., during transportation or high-temperature conditions).
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