复合免疫亲和柱-高效液相色谱-串联质谱法测定植物源食品中的双酚A、双酚F和双酚S
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(1.首都医科大学公共卫生学院,北京 100069;2.北京市疾病预防控制中心,食物中毒 诊断溯源技术北京市重点实验室,北京 100013)

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韩沐珂 女 硕士生 研究方向为食品污染物检测 E-mail:hanmuke33@163.com 尹 杰 男 副研究员 研究方向为食品污染物检测技术研究 E-mail:arnold_jay@163.com

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国家重点研发计划(2017YFC1601300)


Determination of bisphenol A, bisphenol F and bisphenol S in plant-based food by compound immunoaffinity column coupled with high performance liquid chromatography Tandem Mass Spectrometry
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(1.School of Public Health, Capital Medical University, Beijing 100069, China; ;2.Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control and Prevention, Beijing 100013, China)

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    摘要:

    目的 利用复合免疫亲和柱-高效液相色谱-三重四极杆质谱技术(liquid chromatography coupled with tiple quadrupole mass spectrometry, HPLC-MS/MS)构建水果(苹果)、蔬菜(菠菜)、谷物(大米粉)以及婴幼儿谷类辅助食品(婴幼儿米粉)等植物源性食品中双酚A、双酚F和双酚S的分析方法。方法 样品用乙腈或含20%水的甲醇溶液提取,经复合免疫亲和柱对提取液进行净化,采用ACQUITY UPLC BEH C18色谱柱分离,HPLC-MS/MS检测。结果 3种双酚A类化合物在相应浓度范围内线性关系良好,决定系数均大于0.999;在低、中、高3个不同加标浓度下,3种目标物的回收率为94.81%~111.12%,相对标准偏差为1.25%~11.50%,基质效应为-10.23%~5.46%;方法的检出限为0.015~0.15 μg/kg,定量限为0.05~0.5 μg/kg。结论 本方法基于抗原抗体特异性结合的免疫亲和柱对样品进行净化,重现性好、准确度高,能够有效地分离和检测苹果、菠菜、大米粉以及婴幼儿米粉中的BPA、BPS和BPF,可应用于这四类食品中BPA、BPS和BPF的定性定量检测。

    Abstract:

    Objective To develop an analytical method for determination bisphenol A, bisphenol F and bisphenol S in fruit (apple), vegetable (spinach), cereal (rice flour) and infant cereal supplement (infant formula rice flour) by compound immunoaffinity column coupled with high performance liquid chromatography Tandem Mass Spectrometry. Methods The samples were extracted with acetonitrile or 80% methanol solution, purified by a compound immunoaffinity column, separated by ACQUITY UPLC BEH C18 column, and detected by HPLC-MS/MS. Results The linearity of the three bisphenol compounds in the corresponding concentration range was good with relative coefficient of R2 greater than 0.999. The recoveries of the three kinds of bisphenol were in the range of 94.81%-111.12%, the relative standard deviations were in the range of 1.25%-11.50%, and the matrix effect was in the range of -10.23%-5.46% at low, medium and high spiked concentrations. The limits of detection were 0.015-0.15 μg/kg and the limits of quantification were 0.05-0.5 μg/kg. Conclusion This method is based on antigen and antibody specific binding immunoaffinity column to purify the samples, with good reproducibility and high sensitivity, and can effectively separate and detect bisphenol substances in apple, spinach, rice flour and infant formula rice flour. It could be applied to the qualitative and quantitative detection of bisphenol substances in these four kinds of food.

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韩沐珂,尹杰,张晶,邵兵.复合免疫亲和柱-高效液相色谱-串联质谱法测定植物源食品中的双酚A、双酚F和双酚S[J].中国食品卫生杂志,2021,33(6):673-679.

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  • 收稿日期:2021-10-08
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  • 在线发布日期: 2022-01-04
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