Antibacterial mechanism of Lactiplantibacillus plantarum SHY96 cell-free supernatant against Listeria monocytogenes revealed by metabolomics and potential application on chicken breast meat preservation

被引：0
|
作者：
Liang, Ming [1 ,2 ]
Wang, Hongwei [1 ,2 ]
Zhou, Zhaoquan [1 ,2 ]
Huang, Yechuan [3 ]
Suo, Huayi [1 ,2 ]
机构：
[1] Southwest Univ, Coll Food Sci, Chongqing 400715, Peoples R China
[2] Southwest Univ, Chongqing Agr Prod Proc Technol Innovat Platform, Chongqing 400715, Peoples R China
[3] Jingchu Univ Technol, Coll Bioengn, Jingmen 448000, Peoples R China
来源：
FOOD CHEMISTRY-X | 2025年 / 25卷
关键词：
Cell-free supernatants; Lactiplantibacillus plantarum; Listeria monocytogenes; Metabolomics; Meat product;
D O I：
10.1016/j.fochx.2024.102078
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The cell-free supernatant of Lactiplantibacillus plantarum (LCFS) is considered a potential natural antimicrobial agent due to its outstanding antimicrobial activity. This study demonstrated that the cell-free supernatant of L. plantarum SHY96 (LCFS96) effectively inhibits the growth and biofilm formation of L. monocytogenes CMCC(B) 54002 (L. monocytogenes_02) by reducing cell metabolic activity and damaging cell structure. Metabolomic analysis revealed that LCFS96 significantly altered 450 intracellular metabolites, affecting key metabolic pathways including linoleic acid metabolism, pyrimidine metabolism, purine metabolism, pantothenic acid and CoA biosynthesis, and the TCA cycle. Additionally, application of LCFS96 significantly reduced L. monocytogenes_02 viable counts by 84.93%, while maintaining the pH, TVB-N and organoleptic properties of chicken meat under refrigeration at 4 degrees C for 12 days. These findings highlight the antimicrobial mechanism and potential application of LCFS96 in extending the shelf-life of meat products.
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页数：11
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