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食用植物油中乙基麦芽酚测定干扰未知物分析
引用本文:胡启立,刘国强,程江闯,左二伟,张玉磊,吴海平. 食用植物油中乙基麦芽酚测定干扰未知物分析[J]. 食品工业, 2021, 0(2): 291-294
作者姓名:胡启立  刘国强  程江闯  左二伟  张玉磊  吴海平
作者单位:普研(上海)标准技术服务股份有限公司;赛默飞世尔科技(中国)有限公司
摘    要:通过超高效液相色谱-三重四极杆质谱联用仪检测食用植物油样品,在乙基麦芽酚出峰保留时间附近出现易导致其结果误判的未知物,使用超高效液相色谱-四极杆/静电场轨道阱高分辨质谱联用仪对未知物进行鉴定,结果表明该未知物是乙基麦芽酚酮式异构体。该试验首次确证了乙基麦芽酚的烯醇式和酮式异构体,为掺假食用植物油准确鉴定提供技术参考。

关 键 词:乙基麦芽酚  未知物鉴定  超高效液相色谱-四极杆/静电场轨道阱质谱  掺假食用植物油

Identification of Unknown Interference Substance to the Determination of Ethyl Maltol in Edible Vegetable Oil
HU Qili,LIU Guoqiang,CHENG Jiangchuang,ZUO Erwei,ZHANG Yulei,WU Haiping. Identification of Unknown Interference Substance to the Determination of Ethyl Maltol in Edible Vegetable Oil[J]. The Food Industry, 2021, 0(2): 291-294
Authors:HU Qili  LIU Guoqiang  CHENG Jiangchuang  ZUO Erwei  ZHANG Yulei  WU Haiping
Affiliation:(Shanghai Gratech Standard Co.,Ltd.,Shanghai 201318;Thermo Fisher Scientific,Shanghai 201206)
Abstract:The edible vegetable oil samples were detected by ultra-high performance liquid chromatography-triple quadrupole mass spectrometer, and there were unknown substances near the peak retention time of ethyl maltol, which could easily lead to misjudgment. Ultra-high performance liquid chromatography-quadrupole/electrostatic field orbitrap high-resolution mass spectrometer was used to identify the unknown, and the results showed that the unknown was the ketone isomer of ethyl maltol. This test confirmed the enol and keto forms of ethyl maltol for the first time. Formula isomers provided a technical reference for the accurate identification of adulterated edible vegetable oils.
Keywords:ethyl maltol  unknown identification  ultra-high performance liquid chromatography-quadrupole/electrostatic field orbitrap mass spectrometry  adulteration of edible vegetable oil
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