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Review
. 2020 Aug 7;12(8):1775.
doi: 10.3390/polym12081775.

Hemicellulose-Based Film: Potential Green Films for Food Packaging

Yuelong Zhao  1 , Hui Sun  1   2 , Biao Yang  1 , Yunxuan Weng  1   2
Affiliations
Review

Hemicellulose-Based Film: Potential Green Films for Food Packaging

Yuelong Zhao et al. Polymers (Basel). .

Abstract

Globally increasing environmental awareness and the possibility of increasing price and dwindling supply of traditional petroleum-based plastics have led to a breadth of research currently addressing environmentally friendly bioplastics as an alternative solution. In this context, hemicellulose, as the second richest polysaccharide, has attracted extensive attention due to its combination of such advantages as abundance, biodegradability, and renewability. Herein, in this review, the latest research progress in development of hemicellulose film with regard to application in the field of food packaging is presented with particular emphasis on various physical and chemical modification approaches aimed at performance improvement, primarily for enhancement of mechanical, barrier properties, and hydrophobicity that are essential to food packing materials. The development highlights of hemicellulose film substrate are outlined and research prospects in the field are described.

Keywords: film; food packaging; hemicelluloses; modification.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Main structural units of hemicellulose.
Figure 2
Figure 2
Flow chart of hemicellulose film preparation.
Figure 3
Figure 3
Acetylation of hemicellulose.
Figure 4
Figure 4
The fluorination of hemicellulose.
Figure 5
Figure 5
Benzyl reaction of hemicellulose with benzyl chloride.
Figure 6
Figure 6
Scheme of the preparation of hemicelluloses-g-polyacrylamide.
Figure 7
Figure 7
Possible cross-linking reaction between CA and hemicellulose.
See this image and copyright information in PMC

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