Development of multifunctional packaging films based on arginine-modified chitosan/gelatin matrix and betacyanins from weed amaranth (A. hybridus)

被引：17
作者：
Bakouri, Hichem [1 ]
Ziane, Asma [1 ]
Guemra, Kaddour [1 ]
机构：
[1] Univ Djillali Liabes Sidi Bel Abbes, Dept Chem, Lab Macromol Phys Organ Chem, BP89 City Arbi Ben Mhidi, Sidi Bel Abbes, Algeria
来源：
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2023年 / 230卷
关键词：
Betacyanin; Weed amaranth; Arginine-modified chitosan; Gelatin; Multifunctional packaging; ANTIMICROBIAL PROPERTIES; FUNCTIONAL-PROPERTIES; POLYVINYL-ALCOHOL; ANTIOXIDANT; FOOD; NANOPARTICLES; ANTHOCYANINS; IMPROVEMENT; BETALAINS; BARRIER;
D O I：
10.1016/j.ijbiomac.2023.123181
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Active and intelligent films with antioxidant, antimicrobial, and pH-responsive properties were developed by incorporating betacyanins-rich weed amaranth (A. hybridus) extract (AE) into chitosan/gelatin (Cs/Gn) and arginine-modified chitosan/gelatin (MCs/Gn) blend films. The microstructures, physical and functional properties of Cs/Gn, MCs/Gn, Cs/Gn-AE, and MCs/Gn-AE films were compared. Results showed the addition of AE into MCs/Gn film produced a compact inner microstructure through H-bonding and electrostatic interactions. Meanwhile, AE remarkably changed the colors of the film under alkaline pH mediums. However, AE significantly reduced the water vapor permeability of the films. By comparing different films, MCs/Gn-AE film presented the best UV-vis light and barrier ability as well as the highest mechanical strength. Moreover, MCs/Gn and MCs/GnAE films showed stronger microbial growth inhibition than Cs/Gn and Cs/Gn-AE films. Cs/Gn-AE and MCs/GnAE films possessed more potent free radical scavenging activity than Cs/Gn and MCs/Gn. Notably, MCs/Gn-AE film is suitable to monitor fish freshness and could be used as novel multifunctional packaging in the seafood industry.
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页数：8
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