Effects of Tea Polyphenols and Microporous Packaging Treatment on Storage and Preservation of Leaf-Vegetable Sweet Potatoes
文献类型： 外文期刊
作者： Pang, Linjiang 1 ; Lou, Xuefen 1 ; Xu, Ximing 2 ; Lv, You 1 ; Sun, Qingyun 2 ; Hu, Chengyuan 2 ; Zhu, Yueming 2 ; Lu, Xinghua 1 ; Xiang, Chao 3 ; Guan, Yuge 1 ; Cheng, Jiyu 1 ; Lu, Guoquan 2 ; Lv, Zunfu 2 ;
作者机构： 1.Zhejiang Agr & Forestry Univ, Food & Hlth Coll, Hangzhou 311300, Peoples R China
2.Zhejiang Agr & Forestry Univ, Coll Adv Agr Sci, Key Lab Qual Improvement Agr Prod Zhejiang Prov, Hangzhou 311300, Peoples R China
3.Zhejiang Acad Agr Sci, Inst Crops & Nucl Technol Utilizat, Hangzhou 310021, Peoples R China
关键词： leaf-vegetable sweet potatoes; tea polyphenols; microporous packaging; fumigation; preservation
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 7 期
页码：
收录情况： SCI
摘要： Leaf-vegetable sweet potatoes incurred significant losses during storage, which resulted in a shortened shelf life and reduced commercial value. This study investigated the effects of tea polyphenols (TPs) fumigation and microporous packaging (MP) during 10 days at 10 degrees C and 90-95% RH. The results indicated that the preservation effects followed the order TP + MP > MP > TP > CK, with the TP + MP treatment effectively controlling the degradation rate of chlorophyll and delaying leaf yellowing. In addition, TP + MP treatment increased the activity of antioxidant enzymes, especially catalase (CAT) and ascorbate peroxidase (APX), and also enhanced non-enzymatic systems (flavonoids, total phenolics, and ascorbic acid). Pearson's correlation analysis showed a positive correlation between the decline in postharvest quality of leaf-vegetable sweet potatoes and the increase in reactive oxygen species (ROS) levels. This study provided a robust theoretical and technical foundation for the development of effective postharvest preservation strategies for leaf-vegetable sweet potatoes.
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