L-Valine

## L-Valine (CAS 72-18-4): Key Functions and Uses

1. **Essential Branched-Chain Amino Acid**
L-Valine is an essential amino acid and one of the three branched-chain amino acids (**BCAAs**), together with L-leucine and L-isoleucine. Because the human body cannot synthesize sufficient valine, it must be obtained from food or approved nutritional products.

2. **Protein Synthesis and Tissue Maintenance**
L-Valine serves as a building block for protein biosynthesis. It supports the formation and maintenance of body proteins and is involved in normal tissue repair, cellular structure, and physiological development.

3. **Muscle Metabolism and Sports Nutrition**
As a BCAA, L-Valine participates in muscle amino-acid metabolism and energy utilization. It is commonly included in sports nutrition formulas, protein powders, recovery products, and specialized nutritional blends, although product benefits depend on the overall diet and formulation.

4. **Pharmaceutical and Clinical Nutrition Applications**
CAS 72-18-4 is used in pharmaceutical manufacturing, parenteral nutrition, medical nutrition, amino-acid mixtures, and specialized dietary formulations. Pharmaceutical-grade L-Valine may also function as a raw material or excipient, subject to applicable quality standards and regulations.

5. **Cell Culture and Biochemical Research**
L-Valine is an important component of cell-culture media and biochemical formulations. It supports research involving protein expression, cell growth, amino-acid metabolism, fermentation, biotechnology, and recombinant-product development.

6. **Animal Feed and Nutritional Formulations**
L-Valine is used as a feed-grade amino-acid supplement in selected livestock, poultry, and aquaculture formulations. Balanced dietary inclusion can help support efficient protein utilization and nutritional performance; use levels should be determined by species-specific feed requirements.

7. **Food, Fermentation, and Specialty Manufacturing**
L-Valine may be used in food fortification, fermentation processes, flavor-related research, cosmetic formulations, and the synthesis of amino-acid-derived specialty chemicals. The appropriate grade depends on the intended application and regulatory requirements.

8. **Quality, Procurement, and Safety Considerations**
When sourcing L-Valine 72-18-4, buyers should verify optical purity, assay, residual solvents, heavy metals, microbial limits, particle size, packaging, certificate of analysis, and food, feed, pharmaceutical, or research-grade status. Useful SEO keywords include **L-Valine, CAS 72-18-4, essential amino acid, branched-chain amino acid, BCAA, protein synthesis, pharmaceutical-grade valine, cell culture reagent, clinical nutrition, and animal feed additive**. Use should follow the supplier’s technical documentation and applicable regulations.