Dissipation Dynamic, Residue Distribution and Risk Assessment of Emamectin Benzoate in Longan by High-Performance Liquid Chromatography with Fluorescence Detection
Abstract
:1. Introduction
2. Results and Discussion
2.1. Method Validation
2.2. Dissipation of Emamectin Benzoate in Longan
2.3. Terminal Residues of Emamectin Benzoate in Longan
2.4. Risk Assessment
3. Material and Methods
3.1. Chemicals and Reagents
3.2. Field Trials and Sample Preparation
3.3. Extraction and Derivatization Procedures
3.4. Instrumentation and HPLC Analytical Conditions
3.5. Methodological Validation
3.6. Statistical Analysis
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Sample Availability
References
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Matrix | Fortified Level (mg/kg) | Average Recovery (%, n = 5) | RSD (%) | Correlation Coefficient | LOQ (mg/kg) |
---|---|---|---|---|---|
longan | 0.001 | 99 | 11 | 0.9992 | 0.001 |
0.01 | 99 | 8 | |||
0.1 | 111 | 5 | |||
pulp | 0.001 | 83 | 4 | 0.9987 | 0.001 |
0.01 | 82 | 5 | |||
0.1 | 82 | 4 |
Dosage (mg/kg) | Spray Times | Days after Treatment (day) | Residues in Whole Longan (mg/kg) | |||||
---|---|---|---|---|---|---|---|---|
Guangzhou | Maoming | Baoshan | Fangchenggang | Zhangzhou | Haikou | |||
10 | 2 | 10/14/21 | 0.007/0.003/<LOQ | 0.009/0.005/<LOQ | 0.010/0.003/<LOQ | 0.005/0.002/0.001 | 0.004/0.001/<LOQ | 0.003/0.001/0.001 |
3 | 10/14/21 | 0.009/0.004/<LOQ | 0.012/0.005/<LOQ | 0.012/0.004/<LOQ | 0.006/0.002/0.001 | 0.005/0.001/<LOQ | 0.003/0.002/0.001 | |
15 | 2 | 10/14/21 | 0.009/0.006/0.001 | 0.017/0.007/0.001 | 0.018/0.008/0.003 | 0.008/0.003/0.001 | 0.005/0.002/0.001 | 0.004/0.002/<LOQ |
3 | 10/14/21 | 0.011/0.007/0.001 | 0.025/0.012/0.001 | 0.021/0.009/0.003 | 0.012/0.004/0.001 | 0.008/0.002/0.001 | 0.017/0.007/<LOQ |
Food Classification | Fi (kg) | Reference Residue Limits (mg/kg) | Sources | NEDI (mg) | ADI (mg/kg) | Risk Quotient (%) |
---|---|---|---|---|---|---|
Rice and its products | 0.2399 | 0.02 | China | 0.004798 | 0.0005 × 63 | |
Flour and its products | 0.1385 | |||||
Other cereals | 0.0233 | 0.05 | China | 0.001165 | ||
Tubers | 0.0495 | |||||
Dried beans and their products | 0.016 | 0.05 | China | 0.0008 | ||
Dark vegetables | 0.0915 | 0.1 | China | 0.00915 | ||
Light vegetables | 0.1837 | 0.1 | China | 0.01837 | ||
Pickles | 0.0103 | |||||
Fruits | 0.0457 | 0.001 | STMR | 0.0000457 | ||
Nut | 0.0039 | |||||
Livestock and poultry | 0.0795 | |||||
Milk and its products | 0.0263 | |||||
Egg and its products | 0.0236 | |||||
Fish and shrimp | 0.0301 | |||||
Vegetable oil | 0.0327 | 0.02 | China | 0.000654 | ||
Animal oil | 0.0087 | |||||
Sugar and starch | 0.0044 | |||||
Salt | 0.012 | 0.5 | China | 0.006 | ||
Soy sauce | 0.009 | |||||
Total | 1.0286 | 0.0409827 | 0.0315 | 130.1 |
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Liu, Y.; Sun, H.; Wang, X.; Chang, H.; Wang, S. Dissipation Dynamic, Residue Distribution and Risk Assessment of Emamectin Benzoate in Longan by High-Performance Liquid Chromatography with Fluorescence Detection. Molecules 2023, 28, 3346. https://doi.org/10.3390/molecules28083346
Liu Y, Sun H, Wang X, Chang H, Wang S. Dissipation Dynamic, Residue Distribution and Risk Assessment of Emamectin Benzoate in Longan by High-Performance Liquid Chromatography with Fluorescence Detection. Molecules. 2023; 28(8):3346. https://doi.org/10.3390/molecules28083346
Chicago/Turabian StyleLiu, Yanping, Haibin Sun, Xiaonan Wang, Hong Chang, and Siwei Wang. 2023. "Dissipation Dynamic, Residue Distribution and Risk Assessment of Emamectin Benzoate in Longan by High-Performance Liquid Chromatography with Fluorescence Detection" Molecules 28, no. 8: 3346. https://doi.org/10.3390/molecules28083346