Development of active packaging based on chitosan-gelatin blend films functionalized with Chinese hawthorn (Crataegus pinnatifida) fruit extract.

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ID: 19845
2019
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Abstract
The fruits of Chinese hawthorn (Crataegus pinnatifida) have been used as the functional food and folk medicine due to potent antioxidant activity. In this study, polyphenols were extracted from the fruits of Chinese hawthorn and further added into chitosan-gelatin blend films to develop active packaging. The microstructure, physical, mechanical, barrier and antioxidant properties of the films were investigated in details. Results showed epicatechin, chlorogenic acid and procyanidin B were the main polyphenols in the extract of hawthorn fruits. The inner microstructure of chitosan-gelatin blend films became more compact when the extract was incorporated. The intermolecular interactions between film matrix and the extract were through hydrogen bonding and electrostatic interactions. The incorporation of the extract remarkably increased the thickness, tensile strength and elongation at break of chitosan-gelatin blend films. However, the moisture content, water vapor permeability and light transmittance of chitosan-gelatin blend films were significantly reduced by the addition of the extract. Moreover, chitosan-gelatin blend films containing the extract exhibited potent free radical scavenging ability. Our results suggest Chinese hawthorn fruit extract can be used as a natural antioxidant to improve the mechanical, barrier and antioxidant properties of chitosan-gelatin blend films.
Reference Key
kan2019developmentinternational Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Kan, Juan;Liu, Jing;Yong, Huimin;Liu, Yunpeng;Qin, Yan;Liu, Jun;
Journal International journal of biological macromolecules
Year 2019
DOI
S0141-8130(19)35838-6
URL
Keywords Keywords not found

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