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Chitosan Nanocomposite Coatings for Food, Paints, and Water Treatment Applications

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Functional Materials, Department of Applied Physics, SCI School, KTH Royal Institute of Technology, SE-164 40 Kista, Stockholm, Sweden
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Department of Food Engineering & Technology, Central Institute of Technology, Kokrajhar 783370, Assam, India
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Department of Marine Science, Sultan Qaboos University, PO Box 34, Al Khoud, Muscat 123, Oman
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Center of Excellence in Marine Biotechnology, Sultan Qaboos University, PO Box 50, Al Khoud, Muscat 123, Oman
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(12), 2409; https://doi.org/10.3390/app9122409
Received: 10 May 2019 / Revised: 1 June 2019 / Accepted: 8 June 2019 / Published: 13 June 2019
(This article belongs to the Section Nanotechnology and Applied Nanosciences)
Worldwide, millions of tons of crustaceans are produced every year and consumed as protein-rich seafood. However, the shells of the crustaceans and other non-edible parts constituting about half of the body mass are usually discarded as waste. These discarded crustacean shells are a prominent source of polysaccharide (chitin) and protein. Chitosan is a de-acetylated form of chitin obtained from the crustacean waste that has attracted attention for applications in food, biomedical, and paint industries due to its characteristic properties, like solubility in weak acids, film-forming ability, pH-sensitivity, biodegradability, and biocompatibility. We present an overview of the application of chitosan in composite coatings for applications in food, paint, and water treatment. In the context of food industries, the main focus is on fabrication and application of chitosan-based composite films and coatings for prolonging the post-harvest life of fruits and vegetables, whereas anti-corrosion and self-healing properties are the main properties considered for antifouling applications in paints in this review. View Full-Text
Keywords: crustacean waste; chitosan; nanocomposites; films or coatings; antimicrobial activity; anti-corrosion; antifouling; food preservation; fruits and vegetables crustacean waste; chitosan; nanocomposites; films or coatings; antimicrobial activity; anti-corrosion; antifouling; food preservation; fruits and vegetables
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Kumar, S.; Ye, F.; Dobretsov, S.; Dutta, J. Chitosan Nanocomposite Coatings for Food, Paints, and Water Treatment Applications. Appl. Sci. 2019, 9, 2409.

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