Curcumin and silver nanoparticles loaded antibacterial multifunctional pectin/gelatin films for food packaging applications
文献类型： 外文期刊
作者： Li, Shuying 1 ; Wei, Nan 2 ; Wei, Jia 2 ; Fang, Chunli 2 ; Feng, Ting 2 ; Liu, Fangfei 1 ; Liu, Xiong 1 ; Wu, Bin 2 ;
作者机构： 1.Xinjiang Univ, Coll Chem, State Key Lab Chem & Utilizat Carbon Based Energy, Urumqi 830017, Xinjiang, Peoples R China
2.Xinjiang Acad Agr Sci, Inst Agroprod Storage & Proc, Urumqi 830091, Xinjiang, Peoples R China
关键词： Curcumin; Silver nanoparticles; Pectin/gelatin films; Antimicrobial
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.2； 五年影响因子：7.8 ）
ISSN： 0141-8130
年卷期： 2024 年 266 卷
页码：
收录情况： SCI
摘要： Renewable biomass -based materials have a huge potential to replace petroleum -based products in food packaging. Herein, pectin/gelatin films loaded with curcumin and silver nanoparticles (AgNPs) are prepared by solution -pouring technology to serve as antimicrobial multifunctional food packaging films. AgNPs and curcumin are found to equally distribute in the films. Fourier transform infrared spectroscopy (FT-IR) reveal the hydrogen bonding and electrostatic interaction among curcumin, AgNPs, pectin and gelatin. The composite films show good antioxidant activity, mechanical performance, hydrophobicity and antibacterial ability. The films of PG - C - A 0.5 showed 99.57 +/- 0.16 % and 100 % inhibition against E. coli and S. aureus , respectively. The films also demonstrate excellent water vapor barrier qualities. In addition, the composite films possess pH -responsive color change behaviors from yellow (pH 3 - 8) to light red (pH 8 - 9) to dark red (pH 11 - 12), which is suitable for monitoring the freshness of shrimp packaging based on pH changes during deterioration process. As sustainable biomass -based materials, the multifunctional composite films are promising in intelligent food packaging applications.
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