Poly-L-Lysine 99% – Functional Antimicrobial Biopolymer

Poly-L-Lysine 99% (PLL) is a high-purity, water-soluble cationic biopolymer composed of L-lysine monomers. It is widely recognized for its strong antimicrobial properties, excellent film-forming ability, and high biocompatibility, making it suitable for biomedical, food, and industrial applications.

Amino Acids 

Sports Nutrition Ingredients 

Product Overview

Produced through controlled fermentation and polymerization processes, Poly-L-Lysine 99% offers consistent molecular structure and reliable performance. Its positively charged nature allows it to interact effectively with negatively charged surfaces, enhancing adhesion and antimicrobial efficiency.

Key Features

• High purity 99% biopolymer grade
• Strong antibacterial and antimicrobial activity
• Excellent water solubility and stability
• High cationic charge density
• Biodegradable and environmentally friendly
• Good compatibility with aqueous systems

Applications

Biomedical Research

Poly-L-Lysine is commonly used as a coating material in cell culture to improve cell attachment and growth. It is essential in laboratory research and biotechnology applications.

Food Preservation

Due to its antimicrobial properties, PLL is used to inhibit bacterial growth in food systems, helping extend shelf life and improve food safety.

Pharmaceutical Industry

It is applied in drug delivery systems, tissue engineering, and medical surface coatings because of its biocompatibility and functional performance.

Industrial Applications

Poly-L-Lysine is also used in specialty coatings and surface treatments where antimicrobial protection and adhesion enhancement are required.

Advantages

• Natural, biodegradable polymer material
• Strong antimicrobial effectiveness
• Enhances surface adhesion properties
• Safe for biomedical and food applications
• Stable performance in aqueous systems

Storage and Handling

Store in a cool, dry, and well-ventilated environment. Keep container tightly sealed and avoid exposure to heat, humidity, and direct sunlight to maintain product stability.

Conclusion

Poly-L-Lysine 99% is a high-performance biopolymer with excellent antimicrobial and adhesion-enhancing properties. Its versatility makes it widely used in biomedical research, food safety, pharmaceuticals, and industrial coatings.