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Published on: July 18, 2025
Sustainable starch-based barrier materials: functional advancements for a plastic-free food packaging future
Mengyao Chang1, Liqin Liu1, Xiaofeng Lyu2
1State Key Laboratory of Bio-based Fiber Materials, Tianjin Key Laboratory of Pulp and Paper, China Light Industry Key Laboratory of Papermaking and Biorefinery, China Textile Industry Key Laboratory of High-performance Fibers Wet-laid Nonwoven Materials, Tianjin University of Science and Technology, No. 29, 13th Street, TEDA, Tianjin 300457, PR China.
Abstract:
Facing the escalating global plastic pollution crisis and tightening regulatory restrictions on petroleum-based packaging, developing sustainable and biodegradable alternatives has become an urgent priority for the food packaging industry. Starch has emerged as a leading candidate due to its unique structural properties, renewability, and environmental compatibility. Through chemical modification or physical processing, starch-based materials can achieve significantly enhanced barrier properties against water vapor, oxygen, and oils. This article systematically reviews the application potential of starch-based barrier materials in the food packaging sector, which focuses on synthesizing recent research advances in their preparation technologies, multi-dimensional barrier performance, and application scenarios. The large-scale adoption of starch-based materials as a primary alternative to petroleum-based plastics hinges on cost optimization and breakthroughs in industrialization. With the deepening integration of green chemistry and circular economy, starch-based barrier materials are poised to become a mainstream solution, promoting sustainable, high-performance, and functionally diversified transformation of the packaging industry.
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