journal article·2023-10-24

Nanoscale ZnO Improves the Amino Acids and Lipids in Tomato Fruits and the Subsequent Assimilation in a Simulated Human Gastrointestinal Tract Model

Min Sun, Zeyu Cai, Chunyang Li, Yi Hao, Xinxin Xu, Kun Qian, Hao Li, Yaozu Guo, Anqi Liang, Lanfang Han, Heping Shang, Weili Jia, Yini Cao, Cuiping Wang, Chuanxin Ma, Jason C. White, Baoshan Xing

ACS Nano· Volume 17· Issue 20
Publisher page

Abstract

With the widespread use of nanoenabled agrochemicals, it is essential to evaluate the food safety of nanomaterials (NMs)-treated vegetable crops in full life cycle studies as well as their potential impacts on human health. Tomato seedlings were foliarly sprayed with 50 mg/L ZnO NMs, including ZnO quantum dots (QDs) and ZnO nanoparticles once per week over 11 weeks. The foliar sprayed ZnO QDs increased fruit dry weight and yield per plant by 39.1% and 24.9, respectively. It also significantly increased the lycopene, amino acids, Zn, B, and Fe in tomato fruits by 40.5%, 15.1%, 44.5%, 76.2%, and 12.8%, respectively. The tomato fruit metabolome of tomatoes showed that ZnO NMs upregulated the biosynthesis of unsaturated fatty acids and sphingolipid metabolism and elevated the levels of linoleic and arachidonic acids. The ZnO NMs-treated tomato fruits were then digested in a human gastrointestinal tract model. The results of essential mineral release suggested that the ZnO QDs treatment increased the bioaccessibility of K, Zn, and Cu by 14.8-35.1% relative to the control. Additionally, both types of ZnO NMs had no negative impact on the α-amylase, pepsin, and trypsin activities. The digested fruit metabolome in the intestinal fluid demonstrated that ZnO NMs did not interfere with the normal process of human digestion. Importantly, ZnO NMs treatments increased the glycerophospholipids, carbohydrates, amino acids, and peptides in the intestinal fluids of tomato fruits. This study suggests that nanoscale Zn can be potentially used to increase the nutritional value of vegetable crops and can be an important tool to sustainably increase food quality and security.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Plant Micronutrient Interactions and Effects · Plant Stress Responses and Tolerance · Food composition and properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environmental and Resources, Guangdong University of Technology, Guangzhou 510006, China

College of Plant Protection, Southwest University, Chongqing 400715, China

SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, School of Environment, South China Normal University, Guangzhou 510006, China

Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha 410004, Hunan, China

Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education,Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China

The Connecticut Agricultural Experiment Station, New Haven 06511, Connecticut, United States

Stockbridge School of Agriculture, University of Massachusetts Amherst, Amherst 01003, Massachusetts, United States

Funding

Guangdong Provincial Introduction of Innovative Research and Development Team · National Institute of Food and Agriculture · National Natural Science Foundation of China · Guangdong Natural Science Foundation · the open competition program of top ten critical priorities of Agricultural Science and Technology Innovation for the 14th Five-Year Plan of Guangdong Province

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