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Food packaging Bio-based plastics: Properties, Renewable Biomass resources, Synthesis, and Applications
Summary
This review covers bio-based plastics made from renewable biomass sources as alternatives to petroleum-based packaging, aiming to reduce plastic pollution and extend food shelf life. While bio-based plastics can reduce environmental impact at end of life, their behavior after disposal and whether they generate microplastics still requires careful evaluation.
The current trend in food packaging technology necessitates the development of novel packaging materials in order to extend the shelf life of food and reduce spoliation. To preserve the food product, the construction material of the packaging played a key role.In the emerging field of food packaging technology, using biobased plastics for food packaging shown a comparative advantage.At this moment, bioplastics have shown measurable benefits and are receiving more and more attention from business organizations, political figures, scientific communities, and in the whole public. This was as a result of looking for new plastic profiles brands. Besides, the environmental impact(ecological concerns) of convective materials, the depletion of natural resources specifically the petrochemical, and consumer concerns have necessitated alternative bio-based food packaging items. Therefore, the aim of this study was to review the properties of food packaging materials such as thermal, mechanical, barrier, surface, antimicrobial, optical, and environmental, as well as their synthesis type and applications. The cellulose and starch components of the common agricultural wastes for the synthesis of biopolymers were elaborated. In addition to that, different microalgae species were justified in the manufacturing of bio-based plastics.This review article also included examples of sustainable filler and reinforcement materials used in the food packaging industry. Therefore, this review work contributes to opening up the entire body of scientific knowledge on bio-based plastics used for food packaging and helps to develop important results for further investigation.
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