Antimicrobial additives for poly(lactic acid) materials and their applications: current state and perspectives

Area of Science:

• Polymer Science
• Materials Science
• Biotechnology

Background:

• Poly(lactic acid) (PLA) possesses desirable properties like renewability, biodegradability, and FDA approval, making it suitable for food packaging and biomedical uses.
• Growing consumer demand for natural foods and sustainable packaging drives innovation in PLA-based materials.
• Antimicrobial agents incorporated into PLA can create advanced packaging that extends shelf life and reduces microbial contamination.

Purpose of the Study:

• To review recent advancements in antimicrobial PLA-based polymers.
• To explore their preparation, mechanisms of biocidal action, and diverse applications.
• To highlight PLA's potential as a carrier for various antimicrobial additives.

Main Methods:

• Literature review of recent scientific publications on antimicrobial PLA.
• Analysis of preparation techniques for incorporating antimicrobial agents into PLA.
• Evaluation of biocidal efficacy and application potential of developed materials.

Main Results:

• Antimicrobial PLA materials demonstrate significant potential in controlling microbial growth.
• PLA serves as an effective carrier for a wide range of antimicrobial agents, including natural compounds, nanoparticles, and synthetic molecules.
• These materials offer solutions for extending food shelf life and improving biomedical device safety.

Conclusions:

• Antimicrobial PLA-based polymers represent a promising next generation of materials for food packaging and biomedical applications.
• PLA's properties facilitate the development of safe, effective, and environmentally friendly antimicrobial solutions.
• Further research into PLA as a stabilizer-carrier system can unlock new possibilities for antimicrobial material design.