| 采用分子印迹检测生姜中甲胺磷的残留量 |
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| 引用本文： | 关清靖,王丹,孟子晖,薛敏,邱丽莉,徐志斌,彭绍春,高培峰.采用分子印迹检测生姜中甲胺磷的残留量[J].食品安全质量检测技术,2018,9(10):2356-2361. |
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| 作者姓名： | 关清靖 王丹 孟子晖 薛敏 邱丽莉 徐志斌 彭绍春 高培峰 |
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| 作者单位： | 北京理工大学化学与化工学院;北京理工大学分析测试中心 |
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| 摘 要： | 目的建立生姜中甲胺磷残留检测的分子印迹法。方法采用分子印迹-固相萃取的方法对生姜中甲胺磷进行分离富集,并结合液相色谱的方法进行定量。采用沉淀聚合方法合成甲胺磷印迹聚合物,以甲胺磷为模版、α-甲基丙烯酸为单体、三羟甲基丙烷三甲基丙烯酸酯为交联剂,摩尔比为1:8:40。结果静态吸附实验数据显示,吸附在10 min达到平衡,印迹聚合物对甲胺磷的吸附率高于80%,印迹因子是2.105,印迹聚合物的最大表观吸附量为3.24μmol/g。生姜汁加标实验的平均添加回收率高于86.4%,相对标准偏差低于4.5%(n=6)。结论该方法可用于生姜中甲胺磷的检测。
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| 关 键 词： | 分子印迹技术 固相萃取 甲胺磷 生姜 |
| 收稿时间： | 2018/3/19 0:00:00 |
| 修稿时间： | 2018/5/17 0:00:00 |
Determination of methamidophos in spiked ginger using molecularly imprinted technique |
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| GUAN Qing-Jing,WANG Dan,MENG Zi-Hui,XUE Min,QIU Li-Li,XU Zhi-Bin,PENG Shao-Chun and GAO Pei-Feng.Determination of methamidophos in spiked ginger using molecularly imprinted technique[J].Food Safety and Quality Detection Technology,2018,9(10):2356-2361. |
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| Authors: | GUAN Qing-Jing WANG Dan MENG Zi-Hui XUE Min QIU Li-Li XU Zhi-Bin PENG Shao-Chun and GAO Pei-Feng |
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| Affiliation: | School of Chemistry and Chemical Engineering,Beijing Institute of Technology,School of Chemistry and Chemical Engineering,Beijing Institute of Technology,School of Chemistry and Chemical Engineering,Beijing Institute of Technology,School of Chemistry and Chemical Engineering,Beijing Institute of Technology,School of Chemistry and Chemical Engineering,Beijing Institute of Technology,School of Chemistry and Chemical Engineering,Beijing Institute of Technology,Beijing Institute of Technology,Analysis and Test Center and Beijing Institute of Technology,Analysis and Test Center |
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| Abstract: | |
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| Keywords: | molecularly imprinted technique solid-phase extraction methamidophos spiked ginger |
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