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Allicin derivative (DETS) treatment reduced post-harvest decay in strawberries by inhibiting Botrytis cinerea viability and increasing antioxidant capacity

文献类型： 外文期刊

作者： Liu, Chenxia 1 ; Kong, Fanjun 2 ; Qiao, Yongjin 1 ; He, Hui 1 ; Wang, Chunfang 1 ; Wang, Qiankun 1 ; Wang, Xiao 1 ; Chen, Bingjie 1 ; Zhang, Liqiong 3 ; Xiao, Wei 4 ; Lin, Huali 5 ; Jiang, Biao 6 ; Xing, Ping 6 ; Liu, Hongru 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Crop Breeding & Cultivat Res Inst, 1000 Jingqi Rd, Shanghai 201403, Fengxian, Peoples R China

2.Shanghai Ocean Univ, Coll Food Sci & Technol, 999 Huchenghuan Rd, Shanghai 201306, Pudong, Peoples R China

3.Shanghai Acad Agr Sci, Forest & Fruit Tree Inst, 1000 Jingqi Rd, Shanghai 201403, Fengxian, Peoples R China

4.Shandong Agr Univ, Coll Hort Sci & Engn, Tai An 271018, Peoples R China

5.Shanghai Landcent Biotechnol Co Ltd, 199 Guangfulin East Rd, Shanghai 201613, Songjiang, Peoples R China

6.Chinses Acad Sci, Shanghai Inst Organ Chem, 345 Lingling Rd, Shanghai 200032, Xuhui, Peoples R China

关键词： Strawberries; Diethylthiosulfinate (DETS); Botrytis cinerea; Reactive oxygen species metabolism (ROS); Antioxidant capacity

期刊名称：FOOD CONTROL （ 影响因子：6.3； 五年影响因子：6.1 ）

ISSN： 0956-7135

年卷期： 2025 年 172 卷

页码：

收录情况： SCI

摘要： Botrytis cinerea is a fungal pathogen causing severe post-harvest decay in strawberries. The diethylthiosulfinate showed greater stability and antibacterial activity than allicin. This research investigated the inhibiting efficacy of diethylthiosulfinate on Botrytis cinerea in vitro and in vivo, and the resistance mechanisms for fungal control of strawberries were explored. The minimum inhibitory concentration of diethylthiosulfinate against Botrytis cinerea is 0.2 g L- 1 in vitro. Diethylthiosulfinate impeded the formation of spores and mycelium with overproduction of reactive oxygen species, which disrupted the structural and functional identity of the cell plasma membrane in Botrytis cinerea, leading leaking of cellular contents. Moreover, the application of diethylthiosulfinate significantly reduced the incidence and disease severity of gray mold on strawberry fruits inoculated with Botrytis cinerea. On the 4th day following inoculation, the disease index and disease rate of the 0.2 g L- 1 diethylthiosulfinate group were 25% and 8% lower than the control group, respectively. Furthermore, diethylthiosulfinate treatment has the potential to regulate reactive oxygen species metabolism of strawberry fruits, enhancing their resistance to Botrytis cinerea. This may be achieved by maintaining the contents of ascorbic acid, total phenolics and total flavonoids, and by boosting the activities of superoxide dismutase, catalase, ascorbate peroxidase and phenylalanine ammonia-lyase. Consequently, diethylthiosulfinate suppresses the growth of Botrytis cinerea, increases the tolerance of strawberries to disease, and is a potentially agent in the development of effective control and preservation measures to delay decay.

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