Simultaneous Determination of 11 Phenolic Compounds in Perilla oil by High Performance Liquid Chromatography-Tandem Mass Spectrometry
文献类型: 外文期刊
作者: Wu Rao;Ma Fei;Zhang Liang-Xiao;Li Pei-Wu;Zhang Wen;Zhang Qi;Li Guang-Ming;Wu Rao;Li Guang-Ming;Li Pei-Wu;Zhang Qi;Zhang Liang-Xiao;Li Pei-Wu;Ma Fei;Zhang Liang-Xiao;Li Pei-Wu;Zhang Wen;Li Guang-Ming
作者机构:
关键词: Perilla oil;Phenolic compounds;Multi-walled carbon nanotube modified with carboxyl;Liquid chromatography-tandem mass spectrometry
期刊名称: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
ISSN: 0253-3820
年卷期: 2015 年 43 卷 10 期
页码:
收录情况: SCI
摘要: A new separation and analysis method was developed to simultaneously detect 11 phenolic compounds in edible oil based on the multi-walled carbon nanotube modified with carboxyl (MWCNTs-COOH) and high performance liquid chromatography. tandem mass spectrometry (HPLC-MS/MS). Experimental conditions, including mobile phase, addictive acids, flow rate as well as injection parameters, were fully optimized. Under the optimal conditions, 11 phenolic compounds showed good linearity over tested concentration ranges with the correlation coefficients from 0.993 to 0.999. The limits of detection (LOD) and limits of quantitation (LOQ) were in the range of 0.02-0.70 ng/mL and 0.06-2.0 ng/mL, respectively. The average recoveries of two concentration levels ranged from 79.6% to 121.5% with the relative standard deviations (RSD) from 0.06% to 13.2%. This method was employed to detect 11 phenolic compounds in Perilla oils. The content ranges of phenolics in perilla oils were from 7.32 ng/g to 68.6 ng/g. The results indicated that the method was accurate and reliable, and suitable for the analysis of phenols in edible oils.
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