期刊
NANOMATERIALS
卷 12, 期 14, 页码 -出版社
MDPI
DOI: 10.3390/nano12142349
关键词
ferrite hybrids; ZnO; Mn3O4; tomato; carbohydrates; phytonutrients
类别
资金
- Environmental Protection Agency
- National Science Foundation [DBI-1266377]
- NSF [EEC-1449500, CHE-0840525]
- USDA [2016-67021-24985]
- DoD [64705CHREP]
- University of Texas System
Carbohydrates and phytonutrients are important for the nutritional quality of tomato fruits. This study investigated the effects of various nanomaterials on the nutritional quality of tomato fruits. The results showed both beneficial and detrimental effects of the nanomaterials, highlighting the need for caution in their application during crop growth.
Carbohydrates and phytonutrients play important roles in tomato fruit's nutritional quality. In the current study, Fe3O4, MnFe2O4, ZnFe2O4, Zn0.5Mn0.5Fe2O4, Mn3O4, and ZnO nanomaterials (NMs) were synthesized, characterized, and applied at 250 mg/L to tomato plants via foliar application to investigate their effects on the nutritional quality of tomato fruits. The plant growth cycle was conducted for a total of 135 days in a greenhouse and the tomato fruits were harvested as they ripened. The lycopene content was initially reduced at 0 stored days by MnFe2O4, ZnFe2O4, and Zn0.5Mn0.5Fe2O4; however, after a 15-day storage, there was no statistical difference between the treatments and the control. Moreover, the beta-carotene content was also reduced by Zn0.5Mn0.5Fe2O4, Mn3O4, and ZnO. The effects of the Mn3O4 and ZnO carried over and inhibited the beta-carotene after the fruit was stored. However, the total phenolic compounds were increased by ZnFe2O4, Zn0.5Mn0.5Fe2O4, and ZnO after 15 days of storage. Additionally, the sugar content in the fruit was enhanced by 118% and 111% when plants were exposed to Mn3O4 and ZnO, respectively. This study demonstrates both beneficial and detrimental effects of various NMs on tomato fruit quality and highlights the need for caution in such nanoscale applications during crop growth.
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