Phenolic-based non-ionic deep eutectic solvent for rapid determination of water soluble neonicotinoid insecticides in tea infusion
文献类型： 外文期刊
作者： Zhao, Huiyu 1 ; Wang, Ze 1 ; Zhang, Cong 2 ; Di, Shanshan 1 ; Qi, Peipei 1 ; Wang, Zhiwei 1 ; Liu, Zhenzhen 1 ; Xu, Hao 3 ; Wang, Jiao 3 ; Wang, Xinquan 1 ;
作者机构： 1.Zhejiang Acad Agr Sci, Inst Agroprod Safety & Nutr, State Key Lab Managing Biot & Chem Threats Qual &, Key Lab Detect Pesticide Residues & Control Zheji, Hangzhou 310021, Peoples R China
2.Nanjing Tech Univ, Inst Adv Mat IAM, Key Lab Flexible Elect KLOFE, Nanjing 210000, Peoples R China
3.Agr Minist Key Lab Pesticide Residue Detect, Hangzhou 310021, Peoples R China
4.Desheng Middle Rd 298, Hangzhou 310021, Zhejiang, Peoples R China
5.Nanjing Tech Univ, Xin Mo Fan Rd 5, Nanjing 210000, Peoples R China
关键词： Non-ionic deep eutectic solvents; Neonicotinoid insecticides; Extraction; Mechanism; Tea infusion; Molecular dynamics
期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）
ISSN： 0308-8146
年卷期： 2023 年 416 卷
页码：
收录情况： SCI
摘要： Challenges were raised to established analytical method for monitoring water soluble neonicotinoid insecticide (NEOs) residues in tea infusion. Phenolic-based non-ionic deep eutectic solvent (NIDES) composed by a mixture of DL-menthol and thymol (molar ratio of 1:3) was applied to achieve the determination of selected NEOs. Factors influenced extraction efficiency have been evaluated and molecular dynamics approach was conducted aming to provide a new insight to explain its extraction mechanism. It is found that Boltzmann averaged solvation energy of NEOs was negatively correlated with extraction efficiency. The method validation results indicated good linearities (R2 >= 0.99), sensitive LOQs (0.05 mu g L-1), high precisions (RSD < 11%) and satisfactory recoveries (57.7%-98%) at 0.05 mu g L-1 - 100 mu g L-1. The intake risk of NEOs in tea infusion samples were acceptable which residues in range of 0.1 mu g L-1 - 3.5 mu g L-1 for thiamethoxam imidacloprid and thiacloprid. This method showed advantages of rapid, green, and easy operation.
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