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Impact of microwave treatment in conjunction with modified atmosphere packaging on postharvest fungal diseases in fresh Gastrodia elata

文献类型： 外文期刊

作者： Zhang, Xu 1 ; Zhang, Nanxin 1 ; Li, Mingjin 3 ; Zhang, Wencong 4 ; Ji, Ning 1 ; Lei, Jiqing 1 ; Sun, Haiyan 5 ; Liu, Bangdi 6 ; Chen, Cunkun 7 ; Zheng, Pufan 7 ; Wang, Rui 1 ;

作者机构： 1.Guiyang Univ, Coll Food Sci & Engn, Coll Food & Pharmaceut Engn, Guizhou Key Lab New Qual Proc & Storage Ecol Speci, Guiyang 550000, Peoples R China

2.Guizhou Key Lab New Qual Proc & Storage Ecol Speci, Guiyang 550005, Peoples R China

3.Guizhou Yunshang Wumeng Gastrodia elata Biotechnol, Guiyang 550000, Peoples R China

4.Guiyang Univ, Coll Elect & Informat Engn, Guiyang 550000, Peoples R China

5.Shaanxi Univ Technol, Sch Biol Sci & Engn, Hanzhong 710021, Peoples R China

6.Minist Agr & Rural Affairs, Acad Agr Planning & Engn, Beijing 100125, Peoples R China

7.Tianjin Acad Agr Sci, Inst Agr Prod Preservat & Proc Technol, Natl Engn & Technol Res Ctr Preservat Agr Prod, Tianjin 300384, Peoples R China

关键词： Microwave; Modified atmosphere packaging; Gastrodia elata; Diseases; Post-harvest; Combined

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.6； 五年影响因子：6.9 ）

ISSN： 0023-6438

年卷期： 2025 年 229 卷

页码：

收录情况： SCI

摘要： Diseases caused by tuber fungi severely disrupt the storage life and quality of post-harvest Gastrodia elata (G. elata). Herein, it was found that the decay of G. elata tubers is primarily attributed to Fusarium solani and Penicillium crustosum. To inhibit postharvest rotting in G. elata tubers, microwave-treatment (MT) was employed as a disinfection method. However, they could not be completely inhibited by a single MT in vivo test, which were at various power levels (300, 500, 700 W) and durations (20, 30, 40 s). Hence, MT (700w, 30s) combined with modified atmosphere packaging (MAP) was employed, which were polyethylene films of varying thickness (20, 30, 40 mu m), and its efficiency was validated. Results indicate that the combined treatment improved the quality of infected G. elata tubers. In addition, it decreased 79.81 % in decay volume of G. elata tubers compared with the control group. Further results indicate that the reactive oxygen species and energy metabolism pathways of G. elata tubers were activated by the combined treatment, activating the enzyme activity and relative expression of superoxide dismutase, catalase and peroxidase and maintaining the levels of ATP, ADP and energy charge. Taken together, these results indicate that MT combined with MAP is a new and effective method for the post-harvest preservation of tubers and root crops.

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