Inhibition Effects of Infrared Radiation Prior to Cold Storage Against Alternaria alternata on Yellow Peach (Amygdalus persica)

文献类型： 外文期刊

第一作者： Liu, Longxiao

作者： Liu, Longxiao;Li, Zhizhong;Liu, Longxiao;Fan, Kai;Huang, Qingwen;Wang, Xinyi;Nie, Dongxia;Han, Zheng;Zhao, Zhihui

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关键词： Alternaria alternata; Alternaria toxins; infrared radiation; yellow peach; inhibitory effect

期刊名称：TOXINS （ 影响因子：4.0； 五年影响因子：4.5 ）

ISSN：

年卷期： 2025 年 17 卷 3 期

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收录情况： SCI

摘要： During postharvest storage, the yellow peach (Amygdalus persica) is susceptible to infection by Alternaria alternata, which causes fruit decay and produces multiple Alternaria toxins (ATs), leading to economic losses and potential health risks. The present study investigated the inhibitory effects of infrared radiation treatment against A. alternata on yellow peaches. Our in vitro experimental results indicated that infrared radiation at 50 degrees C for 30 min could completely inhibit fungal growth and AT production. Furthermore, infrared treatments prior to cold storage effectively delayed the onset of decay and significantly reduced the lesion diameter, decay rate, and AT levels in the yellow peaches inoculated with A. alternata. After the peaches underwent infrared radiation at 50 degrees C for 30 min and then cold storage for 60 days, the levels of tenuazonic acid, alternariol, alternariol methyl ether, and altenuene in the yellow peaches decreased by 95.1%, 98.6%, 76.1%, and 100.0%, respectively. Additionally, infrared radiation caused slight changes in their firmness, total soluble solids, and concentrations of sugar and organic acids, indicating minor negative impacts on the quality of the yellow peaches. Therefore, the present work provides a novel strategy for controlling A. alternata and AT contamination, thereby extending the shelf-life of yellow peaches, and improving food safety administration.

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