Preparation of Chitosan/Corn Starch/Cinnamaldehyde Films for Strawberry Preservation

In this study, the casting method was used to make chitosan (CS)/corn starch/cinnamaldehyde film, and the preservation performance of the film was examined. The results showed that the tensile strength of the film can reach to 31.24 ± 0.22 MPa when the mass ratios of CS, corn starch, and gl...

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Main Authors: Yue Wang, Rui Li, Rui Lu, Jie Xu, Ke Hu, Yaowen Liu
Format: Article
Language:English
Published: MDPI AG 2019-09-01
Series:Foods
Subjects:
Online Access:https://www.mdpi.com/2304-8158/8/9/423
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author Yue Wang
Rui Li
Rui Lu
Jie Xu
Ke Hu
Yaowen Liu
author_facet Yue Wang
Rui Li
Rui Lu
Jie Xu
Ke Hu
Yaowen Liu
author_sort Yue Wang
collection DOAJ
description In this study, the casting method was used to make chitosan (CS)/corn starch/cinnamaldehyde film, and the preservation performance of the film was examined. The results showed that the tensile strength of the film can reach to 31.24 &#177; 0.22 MPa when the mass ratios of CS, corn starch, and glycerin were 2.5%, 7%, and 0.5% respectively. The addition of cinnamaldehyde made the films have great inhibitory effect on <i>Botrytis cinerea, Rhizopus</i>, and <i>Escherichia coli.</i> In particular, the film had a significant fresh-keeping effect on strawberries, which reduced the loss of nutritional value, when aiming at soluble solids, titratable acid value, weight loss rate, and other indexes of strawberries. Thus, the films can slow down the physiological changes of strawberries and extend their shelf life to 11 days. Therefore, this work demonstrates the noteworthy potential of these novel films, incorporating natural antimicrobial compounds as innovative solutions to be used in active food packaging to extend the shelf-life of food products.
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spelling doaj.art-b787d1b7d5214bf08eb03c51a6032fd72022-12-22T00:15:29ZengMDPI AGFoods2304-81582019-09-018942310.3390/foods8090423foods8090423Preparation of Chitosan/Corn Starch/Cinnamaldehyde Films for Strawberry PreservationYue Wang0Rui Li1Rui Lu2Jie Xu3Ke Hu4Yaowen Liu5College of Food Science, Sichuan Agricultural University, Yaan 625014, ChinaCollege of Food Science, Sichuan Agricultural University, Yaan 625014, ChinaCollege of Food Science, Sichuan Agricultural University, Yaan 625014, ChinaCollege of Food Science, Sichuan Agricultural University, Yaan 625014, ChinaCollege of Food Science, Sichuan Agricultural University, Yaan 625014, ChinaCollege of Food Science, Sichuan Agricultural University, Yaan 625014, ChinaIn this study, the casting method was used to make chitosan (CS)/corn starch/cinnamaldehyde film, and the preservation performance of the film was examined. The results showed that the tensile strength of the film can reach to 31.24 &#177; 0.22 MPa when the mass ratios of CS, corn starch, and glycerin were 2.5%, 7%, and 0.5% respectively. The addition of cinnamaldehyde made the films have great inhibitory effect on <i>Botrytis cinerea, Rhizopus</i>, and <i>Escherichia coli.</i> In particular, the film had a significant fresh-keeping effect on strawberries, which reduced the loss of nutritional value, when aiming at soluble solids, titratable acid value, weight loss rate, and other indexes of strawberries. Thus, the films can slow down the physiological changes of strawberries and extend their shelf life to 11 days. Therefore, this work demonstrates the noteworthy potential of these novel films, incorporating natural antimicrobial compounds as innovative solutions to be used in active food packaging to extend the shelf-life of food products.https://www.mdpi.com/2304-8158/8/9/423chitosancorn starchcinnamaldehyde
spellingShingle Yue Wang
Rui Li
Rui Lu
Jie Xu
Ke Hu
Yaowen Liu
Preparation of Chitosan/Corn Starch/Cinnamaldehyde Films for Strawberry Preservation
Foods
chitosan
corn starch
cinnamaldehyde
title Preparation of Chitosan/Corn Starch/Cinnamaldehyde Films for Strawberry Preservation
title_full Preparation of Chitosan/Corn Starch/Cinnamaldehyde Films for Strawberry Preservation
title_fullStr Preparation of Chitosan/Corn Starch/Cinnamaldehyde Films for Strawberry Preservation
title_full_unstemmed Preparation of Chitosan/Corn Starch/Cinnamaldehyde Films for Strawberry Preservation
title_short Preparation of Chitosan/Corn Starch/Cinnamaldehyde Films for Strawberry Preservation
title_sort preparation of chitosan corn starch cinnamaldehyde films for strawberry preservation
topic chitosan
corn starch
cinnamaldehyde
url https://www.mdpi.com/2304-8158/8/9/423
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