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投稿时间：2019-06-20
投稿时间：2019-06-20
中文摘要: 建立食用植物油中9 种农药残留量的分析方法。采用改良后的QuChERS（Quick，Easy，Cheap，Effective，Rugged，Safe）法进行样品前处理，经气相色谱串联三重四级杆质谱（gas chromatography-triple quadrupole mass spectrometer，GC-MS/MS）进行检测。该分析方法采用外标法定量，9 种农药的定量限均为 5 μg/kg，在 5 μg/kg～100 μg/kg范围内线性关系良好（R2>0.99）。在橄榄油、大豆油和精炼棕榈油基质中添加3 个不同水平，平均回收率为77.8%～118.1%，相对标准偏差为4.3%～12%。该方法灵敏度高，检测速度快，准确度高，适合食用植物油中9 种农药残留量的检测。
中文关键词: QuChERS 气相色谱三重串联四级杆质谱 食用植物油 农药 多残留检测
Abstract:A method was established to analyse 9 kinds of pesticide residues in edible vegetable oil.The samples were extracted by improved QuChERS（Quick，Easy，Cheap，Effective，Rugged，Safe）method，then the 9 kinds of pesticide were analyzed by gas chromatography-triple quadrupole mass spectrometer（GC-MS/MS）.The external standard calibration was used for quantification，the limits of quantitation（LOQ）were all 5 μg/kg.Each compound showed a good linear relationship over the concentration range of 5 μg/kg-100 μg/kg（R2>0.99）.The averages of recoveries on 3 different levels in olive oil，soybean oil and palm oil were between 77.8% and 118.1%，with range of RSD between 4.3%and 12%.This method was sensitive，rapid，and accurate，which was suitable for determination of 9 pesticide residues in edible vegetable oil.
keywords: QuChERS gas chromatography-triple quadrupole mass spectrometer（GC-MS/MS） edible vegetable oil pesticide multi-residues determination
文章编号：201919034 中图分类号： 文献标志码：
基金项目:国家质检总局科技计划项目（2017IK136）
| Author Name | Affiliation |
| WANG Yong-fang，LOU Ting-ting*，GE Han-guang | Animal，Plant and Foodstuffs Inspection Center of Tianjin Customs，Tianjin 300461，China |
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