QuEChERS GC-MS 法验证与监测番茄分类群中不同食品中的农药残留。
QuEChERS GC-MS validation and monitoring of pesticide residues in different foods in the tomato classification group.
机构信息
Grupo Diagnóstico y Control de la Contaminación (GDCON), Facultad de Ingeniería, Sede de Investigaciones Universitarias (SIU), Universidad de Antioquia, Calle 70 No. 52-21, Medellín, Colombia; Posgrado en Ciencias Químicas, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia, Calle 70 No. 52-21, Medellín, Colombia.
Grupo Diagnóstico y Control de la Contaminación (GDCON), Facultad de Ingeniería, Sede de Investigaciones Universitarias (SIU), Universidad de Antioquia, Calle 70 No. 52-21, Medellín, Colombia.
出版信息
Food Chem. 2014 Sep 1;158:153-61. doi: 10.1016/j.foodchem.2014.02.121. Epub 2014 Mar 2.
The objective of this study was to validate (SANCO/12495/2011 and NTC-ISO/IEC 17025) multi-residue multi-class methods using QuEChERS sample preparation and GC-MS for the analysis of regulated pesticides in tomatoes (Solanum lycopersicum), tamarillos (Solanum betaceum) and goldenberries (Physalis peruviana). These Latin American products are representative and widely produced in Antioquia (Colombia). Sample preparation followed the UNE-EN 15662 method (150 mg MgSO4, 25mg primary secondary amines and 25mg of octadecylsiloxane for cleanup; graphitized carbon black was added for tomatoes). Extracts were injected using a programmed temperature-vaporizing injector. The residues were validated over a range from 0.02 mg/kg to 0.20 mg/kg, with 24 analytes validated in tomatoes, 33 in tamarillos and 28 in goldenberries. An initial risk assessment was enabled by monitoring 24 samples in the municipalities of El Peñol, Marinilla and San Vicente Ferrer. Risks were found for tomatoes, but no significant risks were found for tamarillos or goldenberries.
本研究旨在通过 QuEChERS 样品制备和 GC-MS 对番茄（Solanum lycopersicum）、 tamarillo（Solanum betaceum）和印加果（Physalis peruviana）中规定的农药进行多残留多类别的分析，验证（SANCO/12495/2011 和 NTC-ISO/IEC 17025）方法。这些拉丁美洲产品是安蒂奥基亚（哥伦比亚）的代表性和广泛生产的产品。样品制备遵循 UNE-EN 15662 方法（150mg MgSO4、25mg 伯仲胺和 25mg 十八烷基硅烷用于净化；添加石墨化炭黑用于番茄）。采用程序升温汽化进样器进样。残留量在 0.02mg/kg 至 0.20mg/kg 范围内进行验证，在番茄中验证了 24 种分析物，在 tamarillo 中验证了 33 种，在印加果中验证了 28 种。通过监测 El Peñol、Marinilla 和 San Vicente Ferrer 等城市的 24 个样本，进行了初步风险评估。发现了番茄的风险，但 tamarillo 或印加果没有发现显著风险。
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