Abstract

Protein-based material can play a crucial role as an alternative to plastics based on petroleum materials as completely biodegradable, sustainable, available, renewable materials and characterized by significant functional properties, which can be used in a broad range of food industries globally. Despite that, the application of protein-based food packaging materials is restricted due to their low mechanical strength, inherent hardness, low barrier, thermal and physicochemical properties. To overcome these shortcomings, recent studies have focused on the use of nanomaterials in a biobased polymer called bionanocomposite. Incorporating nanomaterials into the biopolymer matrix can enhance water vapor barrier, mechanical properties, and thermal stability without effects on biodegradability. This chapter provides a comprehensive overview of the natural protein-based bionanocomposite properties, processing, and application.

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