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The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
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Protein-Based Packaging Films in Food: Developments, Applications, and Challenges.

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  • 1College of Food Science, Northeast Agricultural University, Harbin 150030, China.

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Environmentally friendly food packaging is evolving beyond petroleum. This review explores novel protein-based active packaging, detailing plant and animal protein sources for sustainable food preservation.

Keywords:
active packagingapplied researchgel filmperformance characteristicsprotein-based film

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Area of Science:

  • Food Science and Technology
  • Materials Science
  • Biotechnology

Background:

  • Petroleum-based food packaging is unsustainable due to environmental concerns.
  • Active packaging technologies using proteins, polysaccharides, and lipids offer alternatives.
  • Proteins are particularly promising due to their excellent gel film-forming capabilities.

Purpose of the Study:

  • To review recent advancements in protein-based active packaging technologies.
  • To categorize various plant and animal protein sources used in packaging.
  • To discuss challenges and future prospects for eco-friendly food packaging.

Main Methods:

  • Literature review of protein-based active packaging.
  • Categorization of proteins: plant (soybean protein isolate, zein, gluten) and animal (whey protein isolate, casein, collagen, gelatin).
  • Analysis of protein sources, gel properties, molding principles, and applied research.

Main Results:

  • Identified key protein sources for active packaging development.
  • Detailed the gel properties and molding principles of different protein-based films.
  • Summarized current applications and research trends in protein-based active packaging.

Conclusions:

  • Protein-based active packaging presents a viable alternative to petroleum-based materials.
  • Further research into gel properties and applications can drive innovation in sustainable food packaging.
  • Development of novel packaging materials and expanded gel applications are anticipated.