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A developed pre-column derivatization method for the determination of free fatty acids in edible oils by reversed-phase HPLC with fluorescence detection and its application to Lycium barbarum seed oil
Li, Guoliang1,2,3; You, Jinmao1,2; Suo, Yourui1; Song, Cuihua2; Sun, Zhiwei1,3; Xia, Lian2; Zhao, Xianen4; Shi, Junyou1,3
2011-04-14
发表期刊FOOD CHEMISTRY
ISSN0308-8146
卷号125期号:4页码:1365-1372
文章类型Article
摘要Free fatty acids (FFAs) in edible oils are one of the most frequently determined quality indices during production storage and marketing In this study a simple stable and sensitive method for the simultaneous determination of saturated and unsaturated FFAs from edible oils using 2-(11H benzo[a]carbazol-11-yl)-ethyl-4-methylbenzenesulphonate (BCETS) as labelling reagent with fluorescence detection has been established FFAs are derivatized by BCETS and separated on a reversed-phase Eclipse XDB-C(8) column with a gradient elution The results indicated that all FFAs were found to be given an excellent linear response with correlation coefficients of >0 9994 The detection limits at a signal-to noise ratio of 3 were in the range of 0 22-1 06 ng/mL. When applied to Lycium barbarum seed oils the developed method showed good reproducibility The effect of extraction methods including supercritical CO(2) and organic solvent extraction on the FFAs composition has also been investigated Meanwhile this method exhibits powerful potential for the trace analysis of short- and long chain free fatty acids from edible oils food-stuff and other complex samples (C) 2010 Elsevier Ltd All rights reserved; Free fatty acids (FFAs) in edible oils are one of the most frequently determined quality indices during production storage and marketing In this study a simple stable and sensitive method for the simultaneous determination of saturated and unsaturated FFAs from edible oils using 2-(11H benzo[a]carbazol-11-yl)-ethyl-4-methylbenzenesulphonate (BCETS) as labelling reagent with fluorescence detection has been established FFAs are derivatized by BCETS and separated on a reversed-phase Eclipse XDB-C(8) column with a gradient elution The results indicated that all FFAs were found to be given an excellent linear response with correlation coefficients of >0 9994 The detection limits at a signal-to noise ratio of 3 were in the range of 0 22-1 06 ng/mL. When applied to Lycium barbarum seed oils the developed method showed good reproducibility The effect of extraction methods including supercritical CO(2) and organic solvent extraction on the FFAs composition has also been investigated Meanwhile this method exhibits powerful potential for the trace analysis of short- and long chain free fatty acids from edible oils food-stuff and other complex samples (C) 2010 Elsevier Ltd All rights reserved
关键词Free Fatty Acids Edible Oil Lycium Barbarum l Derivatization Hplc-ms/ms
WOS标题词Science & Technology ; Physical Sciences ; Life Sciences & Biomedicine
关键词[WOS]TRANSFORM INFRARED-SPECTROSCOPY ; CRUDE PALM OIL ; FLOW-INJECTION ; OXIDATIVE STRESS ; OLIVE OIL ; POLYSACCHARIDES ; IDENTIFICATION ; EXTRACTION ; TITRATION ; ALCOHOLS
收录类别SCI
语种英语
WOS研究方向Chemistry ; Food Science & Technology ; Nutrition & Dietetics
WOS类目Chemistry, Applied ; Food Science & Technology ; Nutrition & Dietetics
WOS记录号WOS:000285444900038
引用统计
被引频次:35[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/1556
专题中国科学院西北高原生物研究所
作者单位1.Chinese Acad Sci, NW Plateau Inst Biol, Xining 810001, Peoples R China
2.Qufu Normal Univ, Key Lab Life Organ Anal, Qufu 273165, Shandong, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
4.Shandong Acad Sci, Shandong Anal & Test Ctr, Jinan 250014, Shandong, Peoples R China
推荐引用方式
GB/T 7714
Li, Guoliang,You, Jinmao,Suo, Yourui,et al. A developed pre-column derivatization method for the determination of free fatty acids in edible oils by reversed-phase HPLC with fluorescence detection and its application to Lycium barbarum seed oil[J]. FOOD CHEMISTRY,2011,125(4):1365-1372.
APA Li, Guoliang.,You, Jinmao.,Suo, Yourui.,Song, Cuihua.,Sun, Zhiwei.,...&Shi, Junyou.(2011).A developed pre-column derivatization method for the determination of free fatty acids in edible oils by reversed-phase HPLC with fluorescence detection and its application to Lycium barbarum seed oil.FOOD CHEMISTRY,125(4),1365-1372.
MLA Li, Guoliang,et al."A developed pre-column derivatization method for the determination of free fatty acids in edible oils by reversed-phase HPLC with fluorescence detection and its application to Lycium barbarum seed oil".FOOD CHEMISTRY 125.4(2011):1365-1372.
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