Nanotechnology-Enhanced Food Packaging. Группа авторов
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Название: Nanotechnology-Enhanced Food Packaging
Автор: Группа авторов
Издательство: John Wiley & Sons Limited
Жанр: Техническая литература
isbn: 9783527827725
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| Components | Production approach | Main results | References |
|---|---|---|---|
| PLAa)/nanochitosan/Polylophium involucratum essential oil | Casting | Films with antibacterial and antioxidant properties were used to preserve chicken fillets at refrigeration temperature | [158] |
| PLAa)/pea starch | Casting | Films reduced the weight loss of cherry tomatoes and extended the retention of organic acids and vitamin C | [159] |
| PLAa)/GTEb) | Blown extrusion | Films reduced the lipid oxidation of smoked salmon during the storage (60 days) | [160] |
| PLAa)/carvacrol | Electrospinning | Films with high thermal stability and antimicrobial properties against aerobic bacteria, mold, and yeast in whole wheat bread | [161] |
| PLAa)/GOc)/CLOd) | Casting | Elastic films with antimicrobial activity against S. aureus and E. coli | [162] |
a) PLA: poly(lactic acid).
b) GTE: green tea extract.
c) GO: graphene oxide.
d) CLO: clove essential oil.
2.5 Conclusions
Films and coatings based on biopolymer are probably the future materials that will be used to package food products from the economic and environmental viewpoints; however, the mechanical, barrier, and thermal properties of these materials must be improved as well as their production at industrial scale. Films and coatings with improved physicochemical properties can be obtained by blending different biopolymers, or biopolymers with nanoparticles, antioxidant, or antimicrobial compounds, among others. Most researchers have focused on developing films and coatings at laboratory scale, particularly using the casting and dip casting methodologies. It is necessary to regard other approaches such as thermo-pressing molding, extrusion, blown extrusion, reactive extrusion, and spraying, aiming films and coatings production at industrial scale. The use of alternative approaches such as electrospinning, electrospun, ionic gelation, layer-by-layer, plasma, and self-assembly could produce new biopolymer architectures with a positive impact on the physicochemical properties of films and coatings. Finally, the toxicity and migration of macromolecules and additives in films and coatings must be carefully investigated before the application of these materials by the food packaging industry.
Conflicts of Interest
The author declares no conflict of interest.
Acknowledgments
The authors gratefully acknowledge the Coordination for the Improvement of Higher Education Personnel (CAPES), National Council for Scientific and Technological Development (CNPq), and the Federal University of Santa Catarina (UFSC). G.A. Valencia gratefully acknowledges CNPq for the research grant (405432/2018-6).
References
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