Preparation of PLGA/?-polylysine nanofibers and their application for pork preservation

被引：18
作者：
Chen, Minmin [1 ,2 ]
Li, Linlin [2 ]
Xia, Li [2 ]
Kong, Yaqiong [4 ]
Jiang, Suwei [5 ]
Chen, Xiaoju [1 ]
Wang, Hualin [2 ,3 ]
机构：
[1] Chaohu Univ, Sch Biol & Environm Engn, Hefei 238000, Anhui, Peoples R China
[2] Hefei Univ Technol, Sch Chem & Chem Engn, Hefei 230009, Anhui, Peoples R China
[3] Anhui Inst Agroprod Intens Proc Technol, Hefei 230009, Anhui, Peoples R China
[4] Chaohu Univ, Sch Chem & Mat Engn, Hefei 238000, Anhui, Peoples R China
[5] Hefei Univ, Sch Biol Food & Environm, Hefei 230601, Anhui, Peoples R China
来源：
FOOD PACKAGING AND SHELF LIFE | 2023年 / 35卷
基金：
中国国家自然科学基金;
关键词：
Electrospun; PLGA; e-PL fiber; Antibacterial activity; Biocompatibility; Food packaging; EPSILON-POLY-LYSINE; LISTERIA-MONOCYTOGENES; ESCHERICHIA-COLI; MECHANISM; SALMONELLA;
D O I：
10.1016/j.fpsl.2023.101031
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
As pork is susceptible to deterioration during production, transportation and marketing, the demand for shelf life extending is urgently desirable. In this work, electrospun poly (lactide-glycolide)/e-polylysine (PLGA/e-PL) fiber is developed for pork preservation. e-PL is well-dispersed in PLGA/e-PL fiber matrix by hydrogen bonding and its presence can improve the thermal stability. The morphology and size of PLGA/e-PL fibers are e-PL content dependent. The PLGA/e-PL has excellent antibacterial activity towards S. aureus and E. coli, and S. aureus is more susceptible than E. coli. PLGA/e-PL fiber has good biocompatibility and can prolong the shelf life of pork by 1 day at 25 degrees C. The PLGA/e-PL fiber demonstrates great potential in food active packaging and the proposed strategy expand the application fields of e-PL.
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页数：9
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