食品科学 ›› 2013, Vol. 34 ›› Issue (8): 204-207.doi: 10.7506/spkx1002-6630-201308043

• 分析检测 • 上一篇    下一篇

液相色谱-质谱法测定塑料食品包装物中11种环境雌激素

武中平,卢 剑,高 巍,张晓强,王 莉   

  1. 江苏省产品质量监督检验研究院,江苏 南京 210007
  • 收稿日期:2012-11-19 修回日期:2013-02-24 出版日期:2013-04-25 发布日期:2013-05-07
  • 通讯作者: 卢剑 E-mail:lujian_hzp@yahoo.cn
  • 基金资助:
    江苏省质量技术监督局科技计划资助项目

Determination of 11 Environmental Estrogens in Food Packaging Materials by Liquid Chromatography Coupled with Mass Spectrometry

WU Zhong-ping,LU Jian*,GAO Wei,ZHANG Xiao-qiang,WANG Li   

  1. Jiangsu Product Quality Supervision and Inspection Institute, Nanjing 210007, China
  • Received:2012-11-19 Revised:2013-02-24 Online:2013-04-25 Published:2013-05-07

摘要: 采用液相色谱-质谱对塑料食品包装物中11种环境雌激素(雌三醇、双酚A、对壬基酚、对特辛基苯酚、特丁基对苯二酚、苯酚、二丁基甲基酚、己烯雌酚、对苯二酚、邻甲基对苯二酚、17-β-雌二醇)含量进行测定。样品用二氯甲烷溶解、甲醇沉淀后,经C18固相萃取小柱净化,用液相色谱、质谱检测器,对塑料食品包装物中11种环境雌激素的测定可取得满意的结果。该方法样品平均加标回收率为81.40%~111.11%,相对标准偏差为3.9%~9.7%;塑料食品包装物中11种环境雌激素的检出限为0.0075~0.32mg/kg。

关键词: 塑料食品包装物, 环境雌激素, 酚类化合物, 固相萃取, 液相色谱-质谱

Abstract: A liquid chromatography and mass spectrometry method for determination of 11 environmental estrogens in food packaging materials was developed. The samples were dissolved by dichloromethane and precipitated by methanol. The filtrates were cleaned up through C18 SPE cartridge, and then separated with liquid chromatography, detected with mass spectrometry. Average recoveries between 81.4% and 111.11% and relative standard deviations between 3.9% and 9.7% were obtained for spiked samples. The detection limits of 11 environmental estrogens were between 0.0075 mg/kg and 0.32 mg/kg.

Key words: food packaging materials, environmental estrogens, phenols, SPE, LC-MS

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