Abstract

Protein-based biopolymers (PBB) are available in ample amounts with rewarding biocompatibility, biodegradability, processability, and combination possibilities. The pollution-free approach made it a leading material in many fields including food packaging. PBB can be obtained from plants and animals, and also derived from microorganisms. The starting materials used to produce PBB are benign, easily available, cost-effective, and mostly from Agri industrial waste. This introductory chapter of PBB summerized the research on the origin and type of PBB and their applications in food packaging, soil strengthening, protein purification, tissue engineering, surface engineering, recombinant protein polymers, drug delivery, healthcare biomedical, bio-nanocomposites, and coating industries. Films and coatings of PBB have excellent gas barrier properties and satisfactory mechanical properties. Currently, PBB or PBB nanoparticles are used for the production of vaccines which can be used to protect from COVID-19, a global crisis. Also, outline some challenges which can be achieved shortly.

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