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OBJECTIVE To establish a method for determining the transformation of pesticide residues in honeysuckle and the development of limit standards in accordance with the requirements of GB 2763-2021 Food Safety Standards for Maximum Residue Limits of Pesticides in Food and the Chinese Pharmacopoeia. METHODS According to “the Principle of Conversion of Limit Standards of Traditional Chinese Medicine in <GB 2763-2021 National food safety standard-Maximum residue limits for pesticides in food>”, using a risk assessment model that is in line with the characteristics of traditional Chinese medicine, the maximum residual limit value of the pesticide to be transformed from honeysuckle was evaluated. Using acetonitrile as the extraction solvent and direct extraction as the pre-treatment method. LC-MS/MS methods were used to screen three commonly used pesticides in 57 batches of honeysuckle. RESULTS Combined with the relevant requirements of GB 2763-2021 and the Chinese Pharmacopoeia,the maximum residue limit regulations for three pesticides in honeysuckle were proposed to be formulated through sample determination,namely imidacloprid (1 mg·kg-1), avermectin benzoate (0.1 mg·kg-1),and imidacloprid (15 mg·kg-1). CONCLUSION This study screened three commonly used pesticides in 57 batches of honeysuckle and establishes a method and limit standard for the determination of conversion pesticide residues in combination with GB 2763-2021, which has guiding and important significance for further research on the standardization, quality standards, and market circulation supervision of pesticide use during the planting process.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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