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Updated: Aug 27, 2025

Antimicrobial Characterization of Advanced Materials for Bioengineering Applications
Published on: August 4, 2018
Recent Advances in PLA-Based Antibacterial Food Packaging and Its Applications
Linying Shao1, Yuewei Xi1,2, Yunxuan Weng1,2
1College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China.
Abstract:
In order to reduce environmental pollution and resource waste, food packaging materials should not only have good biodegradable ability but also effective antibacterial properties. Poly(lactic acid) (PLA) is the most commonly used biopolymer for food packaging applications. PLA has good physical properties, mechanical properties, biodegradability, and cell compatibility but does not have inherent antibacterial properties. Therefore, antibacterial packaging materials based on PLA need to add antibacterial agents to the polymer matrix. Natural antibacterial agents are widely used in food packaging materials due to their low toxicity. The high volatility of natural antibacterial agents restricts their application in food packaging materials. Therefore, appropriate processing methods are particularly important. This review introduces PLA-based natural antibacterial food packaging, and the composition and application of natural antibacterial agents are discussed. The properties of natural antibacterial agents, the technology of binding with the matrix, and the effect of inhibiting various bacteria are summarized.
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