- Title
- Preparation and characterization of glycerol plasticized (high-amylose) starch-chitosan films
- Creator
- Liu, Huihua; Adhikari, Raju; Guo, Qipeng; Adhikari, Benu
- Date
- 2013
- Type
- Text; Journal article
- Identifier
- http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/59508
- Identifier
- vital:5159
- Identifier
-
https://doi.org/10.1016/j.jfoodeng.2012.12.037
- Identifier
- ISSN:0260-8774
- Abstract
- The chitosan-starch (high amylose) blend film (1;1), via microfluidization, was prepared by casting with different glycerol concentration (0%, 2.5%, 5% and 10%). The films were characterized for their mechanical, thermal and morphological properties. The addition of glycerol at 5% (w/w) and higher concentrations resulted in decrease in tensile strength, increase in elongation at break due to plasticization. The wellknown antiplasticization was observed in the polymer films with 2.5% of glycerol. The addition of glycerol promoted the interactions among chitosan, starch and glycerol through hydrogen bonding as reflected on the shifting of main peaks of the glycerol-free film to higher wavenumbers as shown by FTIR spectra. The decrease in intensity of glycerol-related peaks in starch-chitosan-glycerol films in both 1H NMR and 13C NMR spectra proved the strong interactions (decrease in glycerol mobility) occurring among starch, chitosan and glycerol in glycerol-plasticized films. © 2012 Elsevier Ltd. All rights reserved.; C1
- Relation
- Journal of Food Engineering Vol. 116, no. 2 (2013), p. 588-597
- Rights
- Copyright Elsevier
- Rights
- This metadata is freely available under a CCO license
- Subject
- 0908 Food Sciences; Chitosan; FTIR; Microfluidization; NMR; Starch
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