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Chitosan Nanofiber and Cellulose Nanofiber Blended Composite Applicable for Active Food Packaging.


ABSTRACT: This paper reports that, by simply blending two heterogeneous polysaccharide nanofibers, namely chitosan nanofiber (ChNF) and cellulose nanofiber (CNF), a ChNF-CNF composite was prepared, which exhibited improved mechanical properties and antioxidant activity. ChNF was isolated using the aqueous counter collision (ACC) method, while CNF was isolated using the combination of TEMPO oxidation and the ACC method, which resulted in smaller size of CNF than that of ChNF. The prepared composite was characterized in terms of morphologies, FT-IR, UV visible, thermal stability, mechanical properties, hygroscopic behaviors, and antioxidant activity. The composite was flexible enough to be bent without cracking. Better UV-light protection was shown at higher content of ChNF in the composite. The high ChNF content showed the highest antioxidant activity in the composite. It is the first time that a simple combination of ChNF-CNF composites fabrication showed good mechanical properties and antioxidant activities. In this study, the reinforcement effect of the composite was addressed. The ChNF-CNF composite is promising for active food packaging application.

SUBMITTER: Hai LV 

PROVIDER: S-EPMC7557881 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Chitosan Nanofiber and Cellulose Nanofiber Blended Composite Applicable for Active Food Packaging.

Hai Le Van LV   Zhai Lindong L   Kim Hyun Chan HC   Panicker Pooja S PS   Pham Duc Hoa DH   Kim Jaehwan J  

Nanomaterials (Basel, Switzerland) 20200904 9


This paper reports that, by simply blending two heterogeneous polysaccharide nanofibers, namely chitosan nanofiber (ChNF) and cellulose nanofiber (CNF), a ChNF-CNF composite was prepared, which exhibited improved mechanical properties and antioxidant activity. ChNF was isolated using the aqueous counter collision (ACC) method, while CNF was isolated using the combination of TEMPO oxidation and the ACC method, which resulted in smaller size of CNF than that of ChNF. The prepared composite was cha  ...[more]

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