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Comparison of Protein Content, Availability, and Different Properties of Plant Protein Sources with Their Application in Packaging

1
Department of Chemical and Biological Engineering, University of Saskatchewan, Saskatoon, SK S7N 5A9, Canada
2
Department of Food and Bioproduct Sciences, University of Saskatchewan, Saskatoon, SK S7N 5A8, Canada
*
Author to whom correspondence should be addressed.
Academic Editor: Mercedes Ana Peltzer
Polymers 2022, 14(5), 1065; https://doi.org/10.3390/polym14051065
Received: 30 January 2022 / Revised: 20 February 2022 / Accepted: 25 February 2022 / Published: 7 March 2022
(This article belongs to the Special Issue Advance in Bioplastics)
Plant-based proteins are considered to be one of the most promising biodegradable polymers for green packaging materials. Despite this, the practical application of the proteins in the packaging industry on a large scale has yet to be achieved. In the following review, most of the data about plant protein-based packaging materials are presented in two parts. Firstly, the crude protein content of oilseed cakes and meals, cereals, legumes, vegetable waste, fruit waste, and cover crops are indexed, along with the top global producers. In the second part, we present the different production techniques (casting, extrusion, and molding), as well as compositional parameters for the production of bioplastics from the best protein sources including sesame, mung, lentil, pea, soy, peanut, rapeseed, wheat, corn, amaranth, sunflower, rice, sorghum, and cottonseed. The inclusion of these protein sources in packaging applications is also evaluated based on their various properties such as barrier, thermal, and mechanical properties, solubility, surface hydrophobicity, water uptake capacity, and advantages. Having this information could assist the readers in exercising judgement regarding the right source when approving the applications of these proteins as biodegradable packaging material. View Full-Text
Keywords: plant-sourced protein; biodegradable packaging; physicochemical properties; film formation methods plant-sourced protein; biodegradable packaging; physicochemical properties; film formation methods
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MDPI and ACS Style

Senthilkumaran, A.; Babaei-Ghazvini, A.; Nickerson, M.T.; Acharya, B. Comparison of Protein Content, Availability, and Different Properties of Plant Protein Sources with Their Application in Packaging. Polymers 2022, 14, 1065. https://doi.org/10.3390/polym14051065

AMA Style

Senthilkumaran A, Babaei-Ghazvini A, Nickerson MT, Acharya B. Comparison of Protein Content, Availability, and Different Properties of Plant Protein Sources with Their Application in Packaging. Polymers. 2022; 14(5):1065. https://doi.org/10.3390/polym14051065

Chicago/Turabian Style

Senthilkumaran, Anupriya, Amin Babaei-Ghazvini, Michael T. Nickerson, and Bishnu Acharya. 2022. "Comparison of Protein Content, Availability, and Different Properties of Plant Protein Sources with Their Application in Packaging" Polymers 14, no. 5: 1065. https://doi.org/10.3390/polym14051065

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