The combination treatment of low voltage electrostatic field and Ultraviolet-C could accelerate the process of wound healing of potato tubers

文献类型： 外文期刊

第一作者： He, Xingxing

作者： He, Xingxing;Zhang, Tingting;Wang, Fengling;Guan, Wenqiang;Lin, Qiong;Sun, Xiulan

作者机构：

关键词： Potato tubers; UV -C; LVEF; Wound healing

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.0； 五年影响因子：6.0 ）

ISSN： 0023-6438

年卷期： 2024 年 204 卷

页码：

收录情况： SCI

摘要： Low voltage electrostatic field (LVEF) and ultraviolet-C (UV-C) are non-thermal, safe, and environmentally friendly preservation technologies. This study explored the efficacy of LVEF, UV-C (0.1 kJ m-2), and their combination (LVEF + UV-C) in regulating the wound-healing response of injured potato tubers over a 21-day healing period at 20 degrees C. Results demonstrated that LVEF + UV-C treatment showed superior efficacy in accelerating wound healing of tubers compared to single-treatment and control groups, mitigating weight loss and disease index, promoting suberin and lignin accumulation, and enhancing firmness, browning index, and H2O2 content. Biochemical changes observed during tuber healing exhibited a positive correlation with increased enzyme activities (PAL, 4CL, CAD, POD, and PPO) and metabolite levels (phenolic compounds, flavonoids, lignin) associated with phenylpropane metabolism. Our study findings suggest that the application of LVEF + UV-C stimulates phenylpropanoid metabolism, accelerates suberin and lignin accumulation at wounds, thus facilitates wound healing in potato tubers.

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