Simultaneous determination of phenolic compounds in sesame oil using LC-MS/MS combined with magnetic carboxylated multi-walled carbon nanotubes
文献类型: 外文期刊
作者: Wu, Rao;Ma, Fei;Zhang, Liangxiao;Li, Peiwu;Li, Guangming;Zhang, Qi;Zhang, Wen;Wang, Xiuping;Wu, Rao;Ma, Fei;Zhang, Liangxiao;Li, Peiwu;Li, Guangming;Zhang, Qi;Wang, Xiuping;Wu, Rao;Ma, Fei;Li, Peiwu;Li, Guangming;Zhang, Qi;Wang, Xiuping;Wu, Rao;Ma, Fei;Zhang, Liangxiao;Li, Peiwu;Zhang, Wen;Wang, Xiuping;Zhang, Liangxiao;Li, Peiwu;Li, Guangming;Zhang, Qi;Zhang, Wen;Zhang, Liangxiao;Zhang, Wen
作者机构:
关键词: Phenolic compounds;Magnetic carboxylated multi-walled carbon nanotubes;Liquid chromatography-tandem mass spectrometry;Sesame oil
期刊名称: FOOD CHEMISTRY
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收录情况: SCI
摘要: A novel magnetic carboxylated multi-walled carbon nanotubes (c-MWCNT-MNPs) was proposed for magnetic solid-phase extraction coupled with liquid chromatography-tandem mass spectrometry to determine phenolic compounds in sesame oil. In this study, c-MWCNT-MNPs were acquired by simply dispersing Fe3O4 magnetic nanoparticles into carboxylated multi-walled carbon nanotubes. The major parameters affecting extraction efficiency were optimized, including the type and volume of desorption solvents, extraction and desorption time, washing solution, and sorbent amount. The limit of quantifications and limit of detections were from 0.03 mu g/kg to 43.00 mu g/kg and from 0.01 mu g/kg to 13.60 mu g/kg, respectively. The recoveries of phenolic compounds in vegetable oils were in the range of 83.8-125.9% with inter-day and intra-day precisions of less than 13.2%. It was confirmed that this method was simple, rapid and reliable with an excellent potential for routine analysis of phenolic compounds in oil samples. (C) 2016 Elsevier Ltd. All rights reserved.
分类号: TS2`TS201.2
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