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Ultrasonication improves the structures and physicochemical properties of Cassava starch films containing acetic acid
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Wu, Fuqi, Zhou, Zeguang, Liang, Manling, Zhong, Lei and Xie, Fengwei (2021) Ultrasonication improves the structures and physicochemical properties of Cassava starch films containing acetic acid. Starch - Stärke, 73 (1-2). 2000094. doi:10.1002/star.202000094
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Official URL: https://doi.org/10.1002/star.202000094
Abstract
Cassava starch films are fabricated with acetic acid treatment and ultrasonication. Different ultrasound power levels from 200 to 750 W are used and the effects of ultrasonication on the morphology, microstructures, and properties of the starch–acetic acid films are investigated. Scanning electron microscopy shows a cohesive and compact structure of the films resulting from ultrasonication. X‐ray diffraction analysis reveals that the crystalline index is decreased by acid treatment and increased by ultrasonication. The tensile strength and elongation at break of the films first increase and then decrease with increasing ultrasound power level. Ultrasonication also results in higher opacity, higher water barrier performance, and lower water adsorption of the films. Thus, the results show that ultrasonication can be used as a simple and efficient way to modify the morphology, microstructure, and performance of starch–acetic acid films to better meet the application needs.
| Item Type: | Journal Article | ||||||||||||
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| Subjects: | Q Science > QD Chemistry Q Science > QP Physiology T Technology > TP Chemical technology |
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| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||||||||||
| SWORD Depositor: | Library Publications Router | ||||||||||||
| Library of Congress Subject Headings (LCSH): | Acetic acid , Cassava , Starch, Biodegradable plastics | ||||||||||||
| Journal or Publication Title: | Starch - Stärke | ||||||||||||
| Publisher: | Wiley | ||||||||||||
| ISSN: | 1521-379X | ||||||||||||
| Official Date: | 7 January 2021 | ||||||||||||
| Dates: |
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| Date of first compliant deposit: | 29 September 2020 | ||||||||||||
| Volume: | 73 | ||||||||||||
| Number: | 1-2 | ||||||||||||
| Article Number: | 2000094 | ||||||||||||
| DOI: | 10.1002/star.202000094 | ||||||||||||
| Status: | Peer Reviewed | ||||||||||||
| Publication Status: | Published | ||||||||||||
| Publisher Statement: | This is the peer reviewed version of the following article: Wu, F., Zhou, Z., Liang, M., Zhong, L., Xie, F., Ultrasonication Improves the Structures and Physicochemical Properties of Cassava Starch Films Containing Acetic Acid. Starch ‐ Stärke 2020, 73, 2000094. which has been published in final form at https://doi.org/10.1002/star.202000094. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. | ||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||||
| Copyright Holders: | © 2020 Wiley‐VCH GmbH | ||||||||||||
| RIOXX Funder/Project Grant: |
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