Study of Antibacterial Properties of Cinnamaldehyde against Aeromonas hydrophila

文献类型： 外文期刊

第一作者： Pei, Jiaqiao

作者： Pei, Jiaqiao;Liu, Bo;Zhou, Qunlan;Sun, Cunxin;Liu, Bo;Zhou, Qunlan;Zheng, Xiaochuan;Sun, Cunxin;Liu, Bo;Zhou, Qunlan;Zheng, Xiaochuan;Zhao, Chuanjiang;Sun, Chao

作者机构：

期刊名称：AQUACULTURE RESEARCH （ 影响因子：2.0； 五年影响因子：2.3 ）

ISSN： 1355-557X

年卷期： 2023 年 2023 卷

页码：

收录情况： SCI

摘要： Antibacterial properties of cinnamaldehyde against Aeromonas hydrophila were assayed in this study. To investigate the action mechanisms of cinnamaldehyde against A. hydrophila, we examined the antibacterial activity, bacterial membrane permeability, and ultrastructure of A. hydrophila cells treated with cinnamaldehyde. The results showed that the minimum inhibitory concentration (MIC) value of cinnamaldehyde against A. hydrophila NJ-35 was found to be 0.039 mg/mL. The trends of the growth curve of A. hydrophila treated with different concentrations of cinnamaldehyde (from 1/4 MIC to 2 MIC) were different, and there was a significant difference in the growth curve of different groups of treatment. There were significant differences in the K+ concentration among all treatment groups from 1 h to 5 h after incubation compared with that of the control. The highest K+ concentration was observed in the 1 MIC group of cinnamaldehyde. The ultrastructure of A. hydrophila cells treated with cinnamaldehyde was destroyed, and the morphology changed. These results indicated that cinnamaldehyde could inhibit the growth of A. hydrophila, increase bacterial membrane permeability, and damage cell membrane integrity, resulting in leakage of the A. hydrophila cell contents.

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