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Int. J. Mol. Sci. 2016, 17(9), 1376; doi:10.3390/ijms17091376

Physical, Chemical and Biochemical Modifications of Protein-Based Films and Coatings: An Extensive Review

1
Fraunhofer Institute for Process Engineering and Packaging IVV, Giggenhauser Strasse 35, Freising 85354, Germany
2
Chair of Food Packaging Technology, Technische Universität München, Weihenstephaner Steig 22, Freising 85354, Germany
*
Author to whom correspondence should be addressed.
Academic Editors: Andreas Taubert and Qinghua Qin
Received: 17 June 2016 / Revised: 17 July 2016 / Accepted: 15 August 2016 / Published: 23 August 2016
(This article belongs to the Section Biomaterial Sciences)
View Full-Text   |   Download PDF [2033 KB, uploaded 23 August 2016]   |  

Abstract

Protein-based films and coatings are an interesting alternative to traditional petroleum-based materials. However, their mechanical and barrier properties need to be enhanced in order to match those of the latter. Physical, chemical, and biochemical methods can be used for this purpose. The aim of this article is to provide an overview of the effects of various treatments on whey, soy, and wheat gluten protein-based films and coatings. These three protein sources have been chosen since they are among the most abundantly used and are well described in the literature. Similar behavior might be expected for other protein sources. Most of the modifications are still not fully understood at a fundamental level, but all the methods discussed change the properties of the proteins and resulting products. Mastering these modifications is an important step towards the industrial implementation of protein-based films. View Full-Text
Keywords: protein-based films; protein-based coatings; whey protein; soy protein; wheat gluten protein; mechanical properties; barrier properties; physical modification; chemical modification; biochemical modification protein-based films; protein-based coatings; whey protein; soy protein; wheat gluten protein; mechanical properties; barrier properties; physical modification; chemical modification; biochemical modification
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zink, J.; Wyrobnik, T.; Prinz, T.; Schmid, M. Physical, Chemical and Biochemical Modifications of Protein-Based Films and Coatings: An Extensive Review. Int. J. Mol. Sci. 2016, 17, 1376.

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