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- Title
Investigating the Effect of High-Voltage Electrostatic Field (HVEF) Treatment on the Physicochemical Characteristics, Bioactive Substances Content, and Shelf Life of Tomatoes.
- Authors
Nie, Xiaobao; Zuo, Zhijie; Zhou, Li; Gao, Zhe; Cheng, Lilin; Wang, Xiaoli; Nie, Linghong; Huang, Ping-Hsiu
- Abstract
This study evaluated the ability of a high-voltage electrostatic field (HVEF) treatment to extend the shelf life of tomatoes. Tomatoes were exposed to HVEF treatment for different lengths of time, and the physicochemical properties of tomatoes and bioactive compounds were monitored during 28 days of storage at 4 °C. The results indicated that the quality parameters of tomatoes were better maintained during storage by the HVEF treatment relative to the control treatment, extending their shelf life by 14–28 days. The HVEF treatment mitigated losses in firmness, weight, color changes, and bioactive substances, such as total phenolic content, total flavonoid content, ascorbic acid, and lycopene. The activity of pectin-degrading enzymes was also inhibited. The best exposure times for the HVEF treatment were 90 and 120 min. While the measured parameters decreased in both the control and HVEF treatment groups, the decrease in all of these measured parameters was significantly less (p < 0.05) in the optimum HVEF treatment groups than in the control. While the physicochemical properties may vary between different tomato varieties, the HVEF treatment of harvested tomatoes for 90 or 120 min can mitigate the degradation of quality parameters and loss of bioactive compounds incurred during the postharvest storage of tomatoes, thus maintaining their commercial value.
- Subjects
ELECTROSTATIC fields; VITAMIN C; FLAVONOIDS; TOMATOES; BIOACTIVE compounds; LYCOPENE
- Publication
Foods, 2024, Vol 13, Issue 17, p2823
- ISSN
2304-8158
- Publication type
Article
- DOI
10.3390/foods13172823