Bactericidal Effects of Pulsed-Light Treatment Against Burkholderia gladioli pv. cocovenenans in Auricularia: Mechanisms and Influences

文献类型： 外文期刊

第一作者： Niu, Chen

作者： Niu, Chen;Hao, Jin;Hu, Zeyu;Song, Yuchen;Ren, Yilin;Wu, Yuanchun;Yang, Jing;Yuan, Yahong;Yue, Tianli;Niu, Chen;Hao, Jin;Hu, Zeyu;Wu, Yuanchun;Yang, Jing;Yuan, Yahong;Yue, Tianli;Niu, Chen;Hao, Jin;Hu, Zeyu;Wu, Yuanchun;Yang, Jing;Yuan, Yahong;Yue, Tianli;Song, Zihan

作者机构：

关键词： pulsed light; inactivation; Burkholderia gladioli pv. cocovenenans; Auricularia

期刊名称：FOODS （ 影响因子：5.1； 五年影响因子：5.6 ）

ISSN：

年卷期： 2025 年 14 卷 13 期

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收录情况： SCI

摘要： Auricularia (wood ear fungus) is susceptible to Burkholderia gladioli pv. cocovenenans (BGC) and causes food poisoning. This study investigated pulsed-light (PL) inactivation of BGC on Auricularia. The evaluation of PL parameters indicated that lower initial biomass, shorter distance, and more fluences were more effective in inactivating BGC. This study achieved 5 similar to 8 Log reductions in BGC in phosphate-buffered saline and similar to 4 Log reductions in Auricularia auricula and Auricularia cornea var. Li, and the survivor curves fit the Weibull model well with R-2 values of 0.943 similar to 0.987 and RMSE values of 0.308 similar to 0.430 in all three substrates. PL caused cell membrane damage, leading to DNA, protein, and ATP leakage and increased ROS production. PL caused an alteration in color (Delta E 3.01 similar to 7.67) but not springiness and cohesiveness in the texture of Auricularia at 11.80 similar to 35.40 J/cm(2). In all, PL is effective in inactivating BGC on the surface of Auricularia at 35.40 J/cm(2) and can be taken as a good controlling measure.

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