Synergistic Effects of Bacteriocin from Lactobacillus panis C-M2 Combined with Dielectric Barrier Discharged Non-Thermal Plasma (DBD-NTP) on Morganella sp. in Aquatic Foods

文献类型： 外文期刊

第一作者： Shan, Chengjun

作者： Shan, Chengjun;Yan, Wenjing;Zhang, Jianhao;Liu, Xiaoli;Shan, Chengjun;Wu, Han;Zhou, Jianzhong;Liu, Xiaoli

作者机构：

关键词： bacteriocin; non-thermal plasma; molecular mechanism; putrefactive bacteria; aquatic foods

期刊名称：ANTIBIOTICS-BASEL （ 影响因子：4.639； 五年影响因子：4.849 ）

ISSN： 2079-6382

年卷期： 2020 年 9 卷 9 期

页码：

收录情况： SCI

摘要： In this paper, Lactocin C-M2(C-M2) was used together with a new non-thermal technology, non-thermal plasma sterilization (NTPS), to inactive the putrefactive bacteria Morganella sp. wf-1 isolated from aquatic foods. The mechanism underlining the action mode of C-M2 and NTPS was investigated, revealing that the bacteriocin and NTPS had synergistic effects on the disinfection of Morganella sp. wf-1. Compared with the bacteria cells treated by only C-M2 or NTPS, the plasmolysis of cells treated by C-M2 and NTPS was to a larger extent. Moreover, the cell permeability and the contents of UV-absorbing compounds and K+ released from the intra-cells was significantly higher for the C-M2 + NTPS treated cells than the others (p < 0.05), and conversely was the SFA/UFA ratio (p < 0.05). The results on DNA damage showed that, 8-hydroxy-2 '-deoxyguanosine(8-OHdG) content in C-M2 + NTPS treated cells was approximately 7 -fold and 2.5-fold greater than those in the C-M2- and NTPS-treated cells, respectively, indicating furthermore the eventual rupture of Morganella sp. wf-1 cells. The results showed the potential of the application of the bacteriocin and NTPS in the food industry.

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