Characterization and application of Cinnamaldehyde-loaded zein nanoparticles in a polyvinyl alcohol/chitosan film for silver pomfret (Pampus argenteus) packaging

被引:2
作者
Zhang, Zhan [1 ,2 ]
Zhang, Xiaojun [1 ,2 ]
Lin, Bing [1 ,2 ]
Zhong, Yaqian [1 ,2 ]
Zhang, Wenxiu [1 ,2 ]
Zhong, Shangrong [1 ,2 ]
Chen, Xiaxia [1 ,2 ]
机构
[1] Zhejiang Ocean Univ, Coll Food &Pharm, Zhoushan 316022, Peoples R China
[2] Zhejiang Marine Fisheries Res Inst, Zhoushan 316021, Peoples R China
来源
FOOD CHEMISTRY-X | 2024年 / 24卷
关键词
Zein; Cinnamaldehyde; Nanoparticles; Active packaging films; Preservation; ENCAPSULATION; FABRICATION; PARTICLES; CHITOSAN; GELATIN;
D O I
10.1016/j.fochx.2024.102012
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
This study aims to prepare and characterize cinnamaldehyde-loaded zein/sodium alginate nanoparticles (ZCNPs) and incorporate them into polyvinyl alcohol/chitosan (PVA/CS) bioactive films (PSCN) to investigate their compatibility, physicochemical properties, and their application as a preservation material for pomfret fish. The results indicate that the anionic sodium alginate coating improved the particle size, zeta potential, and PDI of zein nanoparticles. The ZCNPs were uniformly dispersed within the films, enhancing the mechanical properties and water vapor barrier performance. The X-ray diffraction (XRD) and Fourier transform infrared (FTIR) analyses confirmed the amorphous structure of the films and the formation of hydrogen bonds. In the PVA/CS film, with the increase of ZCNPs, the thermal decomposition temperature of the film increased from 298 degrees C to 308 degrees C, while the film thickness and water contact angle were not significantly affected, remaining around 0.31 cm and 23 degrees, respectively. Additionally, after the incorporation of ZCNPs, the DPPH radical scavenging rate of the film increased from 14.58 % to 95.38 %, significantly delaying the quality deterioration of pomfret during storage.
引用
收藏
页数:13
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