L-Carnosine Cosmetic Peptide Powder (CAS 305-84-0) Anti-Wrinkle & Anti-Aging, White Raw Material

L-Carnosine More Info

Chemical Profile and Structural Characteristics

L-Carnosine (CAS 305-84-0) is a naturally occurring dipeptide composed of beta-alanine and L-histidine, with the chemical name L-Carnosine. This endogenous compound features a unique molecular structure that includes an imidazole ring from histidine and a beta-amino acid moiety, making it resistant to typical proteolytic degradation. The compound exists as a white crystalline powder with good solubility in water and limited solubility in organic solvents. Its molecular weight of 226.23 g/mol and zwitterionic nature at physiological pH contribute to its distinctive biological properties and stability profile.

Natural Occurrence and Physiological Distribution

L-Carnosine is abundantly present in mammalian tissues, particularly in skeletal muscle, cardiac tissue, and the brain, with concentrations highest in long-lived tissues and species. In humans, skeletal muscle contains approximately 20-30 mmol/kg of carnosine, with variation based on muscle fiber type, age, and physical activity levels. The compound is synthesized endogenously by carnosine synthetase from its constituent amino acids and is degraded by carnosinase enzymes. Tissue concentrations are influenced by multiple factors including diet, exercise, and genetic polymorphisms affecting carnosinase activity.

Mechanism of Action and Biological Activities

L-Carnosine exhibits multiple biological functions including potent pH-buffering capacity through its imidazole ring, which helps maintain acid-base balance during high-intensity exercise. As a natural antioxidant, it quenches reactive oxygen species and chelates transition metals, preventing oxidative damage. The compound functions as an anti-glycating agent, inhibiting the formation of advanced glycation end-products (AGEs). Additional mechanisms include modulation of enzyme activity, regulation of cellular signaling pathways, and potential effects on neurotransmitter systems in the central nervous system.

Therapeutic Applications and Clinical Benefits

Extensive research supports L-Carnosine's application in sports nutrition for improving exercise performance and reducing muscle fatigue through its buffering capacity. In age-related conditions, it shows potential for supporting cognitive function and protecting against neurodegenerative processes. Dermatological applications leverage its anti-glycation and antioxidant properties for anti-aging skincare formulations. Emerging evidence suggests benefits in metabolic health, ocular health, and gastrointestinal protection, with typical supplemental dosages ranging from 500-1500 mg daily.

Formulation Strategies and Product Development

We supply L-Carnosine in various purity grades suitable for diverse applications including dietary supplements, functional foods, and cosmetic products. The compound demonstrates excellent compatibility with common pharmaceutical and nutraceutical excipients. Formulation considerations include protection from enzymatic degradation through enteric coating or combination with carnosinase inhibitors. Our technical support includes guidance on stabilization techniques, compatibility with other ingredients, and optimization of delivery systems for enhanced bioavailability.

Quality Specifications and Analytical Standards

Our L-Carnosine meets stringent quality standards with comprehensive specifications including identification by HPLC and chiral analysis, assay (98.0-101.0%), and  of related substances. Critical quality attributes encompass specific rotation, residue on ignition, heavy metals limits, and microbial purity. We employ advanced analytical techniques including HPLC with UV detection and mass spectrometry to ensure identity, purity, and batch-to-batch consistency for our customers' product development needs.

Safety Profile and Regulatory Status

L-Carnosine demonstrates an excellent safety profile with extensive clinical evidence supporting its use in nutritional and therapeutic applications. The compound is generally recognized as safe (GRAS) for use in food and dietary supplements in major markets worldwide. Reported adverse effects are minimal and typically limited to mild gastrointestinal discomfort at very high doses. Regulatory approvals include FDA acceptance as a dietary ingredient and inclusion in the European Food Safety Authority's ingredient database.

Stability Profile and Storage Requirements

L-Carnosine maintains optimal stability when stored in sealed containers protected from light and moisture at controlled room temperature. The compound demonstrates good chemical stability across a wide pH range, though prolonged exposure to extreme pH conditions or high temperatures should be avoided. Our stability studies confirm excellent retention of purity and biological activity under recommended storage conditions, with comprehensive data available to support product development and regulatory submissions.

Market Position and Industry Applications

As a well-established ingredient in sports nutrition and healthy aging products, L-Carnosine maintains a strong position in the global nutraceutical market. Growing consumer awareness of its multiple health benefits drives increasing incorporation into functional foods, beverages, and cosmetic products. The compound's multifunctional nature, proven efficacy, and excellent safety profile ensure its continued preference over many synthetic alternatives. Market expansion is supported by ongoing research revealing new applications in metabolic health, neurological support, and cellular protection.

Research Support and Technical Collaboration

We provide comprehensive technical support including formulation guidance, stability testing protocols, and regulatory consultation. Our research and development team maintains active investigation into new applications and formulation technologies for L-Carnosine, and we welcome collaborative opportunities to develop innovative products that leverage the unique properties of this remarkable endogenous compound. Customized specifications and specialized grades are available to meet specific customer requirements across pharmaceutical, nutraceutical, and cosmetic applications.