Highly absorbent antibacterial chitosan-based aerogels for shelf-life extension of fresh pork

被引：33

作者：

Chen, Lin ^{[1
]}

Niu, Xuening ^{[1
]}

Fan, Xiaojing ^{[1
]}

Liu, Yaping ^{[1
]}

Yang, Jingwen ^{[1
]}

Xu, Xinglian ^{[2
]}

Zhou, Guanghong ^{[2
]}

Zhu, Beiwei ^{[3
]}

Ullah, Niamat ^{[4
]}

Feng, Xianchao ^{[1
]}

机构：

[1] Northwest A&F Univ, Coll Food Sci & Engn, 22 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China

[2] Lab Meat Proc & Qual Control EDU, Synerget Innovat Ctr Food Safety & Nutr, Nanjing 210095, Jiangsu, Peoples R China

[3] Natl Engn Res Ctr Seafood, Dalian 116034, Peoples R China

[4] Agr Univ Peshawar, Dept Human Nutr, Khyber Pakhtunkhwa 25000, Pakistan

来源：

FOOD CONTROL | 2022年 / 136卷

基金：

中国国家自然科学基金;

关键词：

Aerogel; Antimicrobial properties; Copper nanoparticles; Fresh meat preservation; Liposome encapsulation; COPPER NANOPARTICLES; GREEN SYNTHESIS; FILMS;

D O I：

10.1016/j.foodcont.2021.108644

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

In this study, the CS-DAS aerogels were prepared using chitosan (CS) crosslinked by dialdehyde starch (DAS), with the best absorption and mechanical properties at the weight ratio of CS to DAS being 7:3. The copper nanoparticles (CuNPs) were first prepared by green reduction method, then encapsulated by liposomes (LipCuNPs) for controlling their sudden release. The antibacterial aerogels (CD/Lip-CuNPs) were developed by incorporating the Lip-CuNPs into the aerogel (7:3). The porous network structure of aerogels realized the further gradual release of CuNPs. The CD/Lip-CuNPs aerogels had good antimicrobial properties, which could preserve fresh pork for 14 d at 4 C without spoilage. Moreover, the CuNPs migrated from the aerogels into fresh pork was at a safe level of 3.38 mg/kg after 14 d at 4 C. The obtained antibacterial CD/Lip-CuNPs aerogels had the potential for extending the shelf life of fresh meat.

引用

页数：9

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