Intelligent films of marine polysaccharides and purple cauliflower extract for food packaging and spoilage monitoring

Han-Lun Huang; I-Lin Tsai; Chi Lin; Yu-Hao Hang; Yi-Cheng Ho; Min-Lang Tsai; Fwu-Long Mi

doi:10.1016/j.carbpol.2022.120133

Intelligent films of marine polysaccharides and purple cauliflower extract for food packaging and spoilage monitoring

Carbohydr Polym. 2023 Jan 1:299:120133. doi: 10.1016/j.carbpol.2022.120133. Epub 2022 Sep 28.

Authors

Han-Lun Huang¹, I-Lin Tsai², Chi Lin³, Yu-Hao Hang¹, Yi-Cheng Ho⁴, Min-Lang Tsai⁵, Fwu-Long Mi⁶

Affiliations

¹ Department of Food Science, National Taiwan Ocean University, Keelung 20224, Taiwan, ROC.
² Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan, ROC; Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan, ROC.
³ Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan, ROC.
⁴ Department of Bioagricultural Science, National Chiayi University, Chiayi 60004, Taiwan, ROC; Ph.D. Program of Agriculture Science, National Chiayi University, Chiayi 60004, Taiwan, ROC.
⁵ Department of Food Science, National Taiwan Ocean University, Keelung 20224, Taiwan, ROC. Electronic address: tml@mail.ntou.edu.tw.
⁶ Department of Biochemistry and Molecular Cell Biology, School of Medicine, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan, ROC; Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei 11031, Taiwan, ROC; Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan, ROC. Electronic address: flmi530326@tmu.edu.tw.

PMID: 36876771
DOI: 10.1016/j.carbpol.2022.120133

Abstract

In this study, metalloanthocyanin-inspired, biodegradable packaging films were developed by incorporating purple cauliflower extracted (PCE) anthocyanins into alginate (AL)/carboxymethyl chitosan (CCS) hybrid polymer matrices based on complexation of metal ions with these marine polysaccharides and anthocyanins. PCE anthocyanins-incorporated AL/CCS films were further modified with fucoidan (FD) because this sulfated polysaccharide can form strong interactions with anthocyanins. Metals-involved complexation (Ca²⁺ and Zn²⁺-crosslinked films) improved the mechanical strength and water vapor permeability but reduced the swelling degree of the films. Zn²⁺-cross-linked films exhibited significantly higher antibacterial activity than did pristine (non-crosslinked) and Ca²⁺-cross-linked films. The metal ion/polysaccharide-involved complexation with anthocyanin reduced the release rate of anthocyanins, increased the storage stability and antioxidant capability, and improved the sensitivity of the colorimetric response of the indicator films for monitoring the freshness of shrimp. The anthocyanin-metal-polysaccharide complex film showed great potential as active and intelligent packaging of food products.

Keywords: Active film; Antimicrobial; Colorimetric pH indicator; Controlled release; Intelligent food packaging; Polysaccharides.

MeSH terms

Alginates
Anthocyanins
Coordination Complexes*
Food Packaging*
Plant Extracts
Polysaccharides

Substances

Anthocyanins
Polysaccharides
Alginates
Coordination Complexes
Plant Extracts