Combined antimicrobial effect of high pressure processing and ethyl lauroyl arginate (LAE)-containing films and its application in coconut water preservation

被引：3
作者：
Li, Ting [1 ]
Chen, Junyu [1 ]
Duan, Xiaorong [1 ]
Wu, Xiaomeng [1 ]
Liao, Xiaojun [1 ]
机构：
[1] China Agr Univ, Coll Food Sci & Nutr Engn, Natl Engn Res Ctr Fruit & Vegetable Proc, Key Lab Fruit & Vegetable Proc, Beijing, Peoples R China
来源：
FOOD CONTROL | 2024年 / 155卷
关键词：
High pressure processing; Antimicrobial films; Ethyl lauroyl arginate; Coconut water; HIGH HYDROSTATIC-PRESSURE; ESCHERICHIA-COLI O157H7; STAPHYLOCOCCUS-AUREUS; SUBLETHAL INJURY; SALMONELLA-TYPHIMURIUM; LISTERIA-MONOCYTOGENES; LAURIC ARGINATE; SHELF-LIFE; INACTIVATION; COMBINATION;
D O I：
10.1016/j.foodcont.2023.110039
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
The combined effect of high pressure processing (HPP) and antimicrobial film enriched with ethyl lauroyl arginate (LAE) was investigated. More than 5 log10 CFU/mL reduction of Staphylococcus aureus and Escherichia coli O157:H7 were achieved at 300 MPa HPP combined with 2.0% LAE-PLA film. HPP combined with LAE-PLA film showed a synergistic inactivation against S. aureus, probably because it severely damaged the cell membrane and eliminated pressure-induced sublethal injuries of S. aureus. However, no synergistic effect between HPP and LAE-PLA film was found on E. coli O157:H7. Furthermore, coconut water under 300 MPa HPP with 2.0% LAE-PLA treatment showed a longer shelf life than that of 500 MPa HPP alone. These results indicated that anti-microbial films could serve as a promising hurdle technology to lower the processing intensity of HPP while maintaining safety.
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页数：10
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