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A Multi-Omic and physiological Investigation of the impact of 2-ethylhex-ylglycidylether (EHGE) on the postharvest senescence and yellowing of broccoli

文献类型： 外文期刊

作者： Guo, Hao 1 ; Tian, Tian 3 ; Lv, Jieyu 1 ; Yan, Bangjin 2 ; Yuan, Shuzhi 2 ; Xu, Xiaodi 2 ; Xu, Xiangbin 1 ; Yue, Xiaozhen 2 ; Wang, Qing 2 ;

作者机构： 1.Hainan Univ, Sch Food Sci & Engn, Haikou 570228, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Key Lab Biol & Genet Improvement Hort Crops North, Key Lab Urban Agr North ,Minist Agr,Minist Agr & R, Inst Agrifood Proc & Nutr,Key Lab Vegetable Postha, Beijing 100097, Peoples R China

3.Guangxi Univ, Sch Agr, Nanning 530004, Peoples R China

关键词： Broccoli; Metabolome; Transcriptome; 2-Ethylhexylglycidylether

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 205 卷

页码：

收录情况： SCI

摘要： The objective of study was to investigate the underlying mechanisms responsible for the ability of 2-Ethylhexylglycidylether (EHGE) fumigation to inhibit the yellowing and senescence of harvested broccoli. We conducted a combination of transcriptomic, metabolomic, physiological, and biochemical analyses of EHGE-fumigated broccoli stored at 20 degrees C and 90 % relative humidity for five days and compared it to an untreated control. Results indicated that the EHGE treatment inhibited fresh weight loss and the loss of vitamin C, inhibited the reduction in total phenolics, delayed yellowing, as well as the reduction in antioxidant capacity. The data suggest a dual mechanism involving the enhancement of chlorophyll synthesis and the inhibition of chlorophyll degradation is involved. The EHGE treatment also suppressed carotenoid accumulation while promoting the accumulation of flavonoids, resulting in increased antioxidant capacity. However, the specific mechanisms associated with the antioxidant capacity of flavonoids require further study. In summary, the study provides a comprehensive theoretical framework for understanding how EHGE fumigation effectively delays the postharvest senescence of postharvest broccoli.

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