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Multilayer packaging: Advances in preparation techniques and emerging food applications
T Anukiruthika1, Priyanka Sethupathy1, Anila Wilson1
1Computational Modeling and Nanoscale Processing Unit, Indian Institute of Food Processing Technology (IIFPT), Ministry of Food Processing Industries, Government of India, Thanjavur, Tamil Nadu, India.
Comprehensive Reviews in Food Science and Food Safety
|December 17, 2020
Summary
Advancements in multilayer food packaging utilize nanotechnology and surface modification for enhanced properties. This review covers preparation, processing, and critical sustainability challenges for these versatile packaging solutions.
Area of Science:
- Materials Science
- Food Science
- Chemical Engineering
Background:
- Multilayer food packaging offers superior barrier, mechanical, and functional properties by combining different material layers.
- Conventional methods like coextrusion and lamination are being enhanced by nanotechnology and surface modification techniques.
Purpose of the Study:
- To provide a comprehensive review of recent advancements in multilayer film preparation for food packaging.
- To discuss critical aspects including design, food-package interactions, modeling, scale-up, and cost-effectiveness.
Main Methods:
- Review of scientific literature on multilayer film preparation, nanotechnology integration, and surface modification techniques (UV, cold plasma).
- Analysis of in-package processing impacts, including nonthermal and advanced thermal methods.
- Examination of challenges related to degradability, recycling, and sustainability.
Main Results:
- Nanotechnology and advanced surface treatments significantly improve physical, chemical, and functional characteristics of multilayer films.
- In-package processing, especially nonthermal methods, offers new avenues for food preservation.
- Significant challenges remain in achieving degradability and recyclability for sustainable multilayer packaging.
Conclusions:
- Multilayer food packaging is evolving with innovative preparation and processing techniques.
- Addressing sustainability through improved degradability and recyclability is crucial for the future of multilayer packaging.
