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10.3390/foods14213748
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Article

Coral-like Magnetic Metal–Organic Framework for Selective Adsorption and Detection of Thiabendazole in Tomato and Chinese Cabbage Samples

by
Miao Wang
1,2,3,†,
Xijuan Zhao
1,†,
Zhihao Lin
2,
Hailong Yu
4,
Yanyan Huang
2,
Bining Jiao
1,*,
Jie Zhou
2,
Ge Chen
2,
Guangyang Liu
2,3,*,
Lin Qin
2,
Xinyan Liu
2 and
Donghui Xu
2,3
1
Key Laboratory of Quality and Safety Control of Citrus Fruits, Ministry of Agriculture and Rural Affairs, Southwest University, Chongqing 400712, China
2
State Key Laboratory of Vegetable Biobreeding, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
3
National Center of Technology Innovation for Comprehensive Utilization of Saline-Alkali Land, Yingkou 257347, China
4
School of Bioengineering, Beijing Polytechnic University, Beijing 100176, China
*
Authors to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Foods 2025, 14(21), 3748; https://doi.org/10.3390/foods14213748
Submission received: 11 September 2025 / Revised: 25 October 2025 / Accepted: 28 October 2025 / Published: 31 October 2025
(This article belongs to the Special Issue Degradation Behaviors and Risk Assessment of Food Residues)
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Abstract

The quality and safety of agricultural products are important factors in safeguarding human health and promoting sustainable agricultural development. However, for the purpose of improving the yield and quality, the misuse of pesticides often occurs, causing pesticide residues to remain in vegetables, posing threats to both the environment and human health. In order to detect and adsorb pesticide residues in vegetables, a coral-like novel magnetic porous nanomaterial (Fe@MDZ) was developed in this study as an adsorbent to adsorb thiabendazole (TBZ). Fe@MDZ has a large specific surface area (229.254 m2/g) and high saturation magnetization intensity (57.38 emu/g) with good adsorption capacity for TBZ. When the initial concentration was 2 mg/L, the adsorption capacity for TBZ was 1.23 mg/g. The static adsorption process matched the Langmuir isotherm model and was consistent with the pseudo-second-order kinetic model. In addition, the recovery of TBZ in both tomato and Chinese cabbage samples at different concentrations was above 70%. This work provides a new idea for the detection of TBZ pesticide residues in vegetables.
Keywords: selective adsorption; thiabendazole; magnetic porous materials; ZIF-8; pesticide residues selective adsorption; thiabendazole; magnetic porous materials; ZIF-8; pesticide residues
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MDPI and ACS Style

Wang, M.; Zhao, X.; Lin, Z.; Yu, H.; Huang, Y.; Jiao, B.; Zhou, J.; Chen, G.; Liu, G.; Qin, L.; et al. Coral-like Magnetic Metal–Organic Framework for Selective Adsorption and Detection of Thiabendazole in Tomato and Chinese Cabbage Samples. Foods 2025, 14, 3748. https://doi.org/10.3390/foods14213748

AMA Style

Wang M, Zhao X, Lin Z, Yu H, Huang Y, Jiao B, Zhou J, Chen G, Liu G, Qin L, et al. Coral-like Magnetic Metal–Organic Framework for Selective Adsorption and Detection of Thiabendazole in Tomato and Chinese Cabbage Samples. Foods. 2025; 14(21):3748. https://doi.org/10.3390/foods14213748

Chicago/Turabian Style

Wang, Miao, Xijuan Zhao, Zhihao Lin, Hailong Yu, Yanyan Huang, Bining Jiao, Jie Zhou, Ge Chen, Guangyang Liu, Lin Qin, and et al. 2025. "Coral-like Magnetic Metal–Organic Framework for Selective Adsorption and Detection of Thiabendazole in Tomato and Chinese Cabbage Samples" Foods 14, no. 21: 3748. https://doi.org/10.3390/foods14213748

APA Style

Wang, M., Zhao, X., Lin, Z., Yu, H., Huang, Y., Jiao, B., Zhou, J., Chen, G., Liu, G., Qin, L., Liu, X., & Xu, D. (2025). Coral-like Magnetic Metal–Organic Framework for Selective Adsorption and Detection of Thiabendazole in Tomato and Chinese Cabbage Samples. Foods, 14(21), 3748. https://doi.org/10.3390/foods14213748

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