Determination of acrylamide in starch-based foods by ion-exclusion liquid chromatography

文献类型： 外文期刊

第一作者： Geng, Zhiming

作者： Geng, Zhiming;Jiang, Rong;Chen, Ming;Jiang, Rong

作者机构：

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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