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Recent progress in protein-based food packaging films
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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.
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This review covers the latest developments in biopolymer-based food packaging, including biodegradable films, edible coatings, and active or smart packaging systems. Researchers found that while these sustainable alternatives show promise, they still face challenges in matching the moisture, heat, and barrier properties of conventional petroleum-based plastics. The study highlights ongoing efforts to improve these materials so they can realistically replace traditional plastic packaging.
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This review covers advances in biodegradable biopolymer films being developed to replace conventional plastic food packaging, which breaks down into microplastics that contaminate soil and water. While these plant-based alternatives show promise for reducing microplastic pollution, they still need improvements in strength and durability before they can compete with conventional plastics at commercial scale.
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This review summarizes research on using tightly-folded protein fibers to create food packaging that could replace plastic. These protein-based films keep food fresher longer and break down naturally, potentially reducing microplastic pollution, though scientists still need to confirm they're safe for long-term use before they hit store shelves.
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This review highlights recent advances in plant-based packaging materials and edible films made from natural polysaccharides, proteins, and lipids as sustainable alternatives to conventional plastic packaging. Researchers explored how 3D printing and functionalization strategies can enhance the mechanical strength, barrier properties, and shelf-life extension of these materials. The findings point toward a growing toolkit of biodegradable options that could help reduce plastic waste in food packaging.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.