文献类型： 外文期刊
作者： Geng, Zhiming 1 ; Jiang, Rong 1 ; Chen, Ming 1 ;
作者机构： 1.Jiangsu Acad Agr Sci, Inst Food Safety Res & Inspect, Nanjing 210014, Peoples R China
2.Sichuan Agr Univ, Coll Informat & Technol, Yaan 625014, Sichuan, Peoples R China
关键词： acrylamide;starch-based food;ion-exclusion LC;UV detection
期刊名称：JOURNAL OF FOOD COMPOSITION AND ANALYSIS （ 影响因子：4.556； 五年影响因子：4.89 ）
ISSN： 0889-1575
年卷期： 2008 年 21 卷 2 期
页码：
收录情况： SCI
摘要： A simple and rapid method using liquid chromatography coupled with diode array detection (LC-DAD) was developed for the determination of acrylamide in starch-based foods. The method entails extraction of acrylamide with 75% (v/v) methanol in water, concentration, and cleanup with an Oasis HLB solid-phase extraction (SPE) cartridge. The chromatographic separations were performed on an HC-75H(+) column with 5 mM sulfuric acid as the mobile phase, and acrylamide was well resolved from co-extractives in the shape of a protonated cation. The final extract was analyzed by LC-DAD for quantification and the limit of detection was estimated to be 30 mu g/kg based on the signal-to-noise ratio of 3 recorded at 200 nm. The method was applied for the determination of acrylamide in spiked food samples without native acrylamide yielding recoveries between 92.5% and 104.0%. Finally, commercial samples of potato chips, cookies, and some Chinese fried foods were analyzed to assess applicability of the method to acrylamide, giving results similar with those reported in the literature. (C) 2007 Elsevier Inc. All rights reserved.
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