Incorporation of anthocyanin into zein nanofibrous films by electrospinning: Structural characterization, functional properties, and ammonia color-responsiveness

Green electrospinning for the production of freshness-indicating labels, employing entirely natural biopolymers and pigments, holds significance in the development of intelligent food packaging. This study aimed to prepare zein (Z) fibrous film (FF) incorporated with varying concentrations of anthoc...

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Main Authors: Jun Wang, Wenpeng Zhao, Dongli Qin, Hongyan Shan, Xiaoman Zhu, Lilan Chen, Ying Liu, Songnan Li
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:Food Chemistry: X
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Online Access:http://www.sciencedirect.com/science/article/pii/S2590157525000094
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author Jun Wang
Wenpeng Zhao
Dongli Qin
Hongyan Shan
Xiaoman Zhu
Lilan Chen
Ying Liu
Songnan Li
author_facet Jun Wang
Wenpeng Zhao
Dongli Qin
Hongyan Shan
Xiaoman Zhu
Lilan Chen
Ying Liu
Songnan Li
author_sort Jun Wang
collection DOAJ
description Green electrospinning for the production of freshness-indicating labels, employing entirely natural biopolymers and pigments, holds significance in the development of intelligent food packaging. This study aimed to prepare zein (Z) fibrous film (FF) incorporated with varying concentrations of anthocyanin (A; 0–0.5 %) through green electrospinning. Furthermore, we evaluated their structural characteristics, functional properties, and color responsiveness to ammonia. With an increase in A concentration from 0 % to 0.5 %, the average thickness and fiber diameter of the electrospun Z-FF increased from 68.6 μm to 102.0 μm and from 582.1 nm to 690.7 nm, respectively. At A concentration of 0.2 %, the A content and loading efficiency of electrospun ZA-FF exhibited the most optimal values (6.8 mg/g and 39.4 %). Surface hydrophobicity, thermodynamic properties, and mechanical characteristics of ZA-FF were significantly improved, attributable to changes in their secondary and crystal structures from the interaction of Z and A. In the ammonia color-responsiveness test, an obvious color change with ΔE values of 13.1 and 20.0 was observed for Z-FF incorporated with A at concentrations of 0.2 % and 0.5 %, respectively. This study provides novel insights into the development of Z-based freshness-indicating labels via green electrospinning for intelligent food packaging, especially in livestock and marine products.
format Article
id doaj-art-64cdd8ef250c4fd7aadaf4b2ff371128
institution Kabale University
issn 2590-1575
language English
publishDate 2025-01-01
publisher Elsevier
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series Food Chemistry: X
spelling doaj-art-64cdd8ef250c4fd7aadaf4b2ff3711282025-02-12T05:32:18ZengElsevierFood Chemistry: X2590-15752025-01-0125102163Incorporation of anthocyanin into zein nanofibrous films by electrospinning: Structural characterization, functional properties, and ammonia color-responsivenessJun Wang0Wenpeng Zhao1Dongli Qin2Hongyan Shan3Xiaoman Zhu4Lilan Chen5Ying Liu6Songnan Li7State Key Laboratory of Food Nutrition and Safety, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China; School of Tourism and Cuisine, Yangzhou University, Yangzhou 225127, ChinaSchool of Tourism and Cuisine, Yangzhou University, Yangzhou 225127, China; Institutes of Sichuan Cuisine Development and Dietary Culture, Sichuan Tourism University, Chengdu 610100, ChinaSchool of Tourism and Cuisine, Yangzhou University, Yangzhou 225127, ChinaSchool of Tourism and Cuisine, Yangzhou University, Yangzhou 225127, ChinaState Key Laboratory of Food Nutrition and Safety, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, ChinaInstitutes of Sichuan Cuisine Development and Dietary Culture, Sichuan Tourism University, Chengdu 610100, ChinaState Key Laboratory of Food Nutrition and Safety, College of Biotechnology, Tianjin University of Science and Technology, Tianjin 300457, China; Corresponding authors.Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, Institutes of Agricultural Science and Technology Development, Yangzhou University, Yangzhou 225009, China; Corresponding authors.Green electrospinning for the production of freshness-indicating labels, employing entirely natural biopolymers and pigments, holds significance in the development of intelligent food packaging. This study aimed to prepare zein (Z) fibrous film (FF) incorporated with varying concentrations of anthocyanin (A; 0–0.5 %) through green electrospinning. Furthermore, we evaluated their structural characteristics, functional properties, and color responsiveness to ammonia. With an increase in A concentration from 0 % to 0.5 %, the average thickness and fiber diameter of the electrospun Z-FF increased from 68.6 μm to 102.0 μm and from 582.1 nm to 690.7 nm, respectively. At A concentration of 0.2 %, the A content and loading efficiency of electrospun ZA-FF exhibited the most optimal values (6.8 mg/g and 39.4 %). Surface hydrophobicity, thermodynamic properties, and mechanical characteristics of ZA-FF were significantly improved, attributable to changes in their secondary and crystal structures from the interaction of Z and A. In the ammonia color-responsiveness test, an obvious color change with ΔE values of 13.1 and 20.0 was observed for Z-FF incorporated with A at concentrations of 0.2 % and 0.5 %, respectively. This study provides novel insights into the development of Z-based freshness-indicating labels via green electrospinning for intelligent food packaging, especially in livestock and marine products.http://www.sciencedirect.com/science/article/pii/S2590157525000094Freshness-indicating labelGreen electrospinningFibrous filmColor-responsivenessIntelligent food packaging
spellingShingle Jun Wang
Wenpeng Zhao
Dongli Qin
Hongyan Shan
Xiaoman Zhu
Lilan Chen
Ying Liu
Songnan Li
Incorporation of anthocyanin into zein nanofibrous films by electrospinning: Structural characterization, functional properties, and ammonia color-responsiveness
Food Chemistry: X
Freshness-indicating label
Green electrospinning
Fibrous film
Color-responsiveness
Intelligent food packaging
title Incorporation of anthocyanin into zein nanofibrous films by electrospinning: Structural characterization, functional properties, and ammonia color-responsiveness
title_full Incorporation of anthocyanin into zein nanofibrous films by electrospinning: Structural characterization, functional properties, and ammonia color-responsiveness
title_fullStr Incorporation of anthocyanin into zein nanofibrous films by electrospinning: Structural characterization, functional properties, and ammonia color-responsiveness
title_full_unstemmed Incorporation of anthocyanin into zein nanofibrous films by electrospinning: Structural characterization, functional properties, and ammonia color-responsiveness
title_short Incorporation of anthocyanin into zein nanofibrous films by electrospinning: Structural characterization, functional properties, and ammonia color-responsiveness
title_sort incorporation of anthocyanin into zein nanofibrous films by electrospinning structural characterization functional properties and ammonia color responsiveness
topic Freshness-indicating label
Green electrospinning
Fibrous film
Color-responsiveness
Intelligent food packaging
url http://www.sciencedirect.com/science/article/pii/S2590157525000094
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