4.7 Article

Biopolymer hybrid materials: Development, characterization, and food packaging applications

Journal

FOOD PACKAGING AND SHELF LIFE
Volume 28, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.fpsl.2021.100676

Keywords

Biopolymer; Hydrocolloids; Clay; Film properties; Analytical characterization; Food packaging

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The current trend in food packaging systems is towards the use of biodegradable materials, with a focus on biopolymer-clay hybrid materials as a promising green option for ensuring food quality and safety. Research in this field mainly focuses on production methods, enhancement of physicochemical properties, and molecular interactions among components.
Current trends in food packaging systems are oriented to biodegradable materials, especially with enhanced features. The latter are often provided by the combination of natural biopolymers, clays and bioactive molecules. This review summarises recent developments in the production of biopolymers-clay hybrid materials for food packaging. The main production methods of bio-composites and the improvement of their physicochemical properties due to the clay addition are discussed. The improvement of the film properties is explained with a focus on the molecular interactions between biopolymer matrix, clay, and bioactive compounds. Recent researches on their food application as active and intelligent packaging are summerized. This review shows that the application of biodegradable bio-composites as packaging material is a promising green option to ensure food quality and safety. The research on the chemical properties of tailored and tunable biopolymers could lead to new functional films, suitable for the industrial scale-up.

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