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Recent progress in protein-based food packaging films
Summary
Researchers reviewed the state of biodegradable protein-based packaging films derived from animal and plant sources, examining preparation techniques and food applications while identifying smart packaging opportunities that could displace petroleum-based materials and reduce plastic pollution.
With the increase in global plastic pollution and the growing need for sustainable development, the food packaging industry is experiencing an unprecedented paradigm shift. New food packaging technologies that address environmental concerns while maintaining food quality and safety are continuously being developed. In this regard, biodegradable films derived from animal and plant proteins have shown considerable potential. These films show advantages due to their sustainable sourcing, excellent film-forming properties, and complete biodegradability and are thus suitable for the packaging industry. This review discusses various types of biodegradable protein-based packaging films, their preparation techniques, and their applications within the food packaging sector. Moreover, it comprehensively explores the potential challenges and opportunities in smart food packaging based on these films. Accordingly, this review highlights the potential of protein-based packaging films to emerge as dominant materials in food packaging.