固相萃取-高效液相色谱法检测油炸薯条中丙烯酰胺
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Determination of acrylamide in French fries using solid phase extraction and high performance liquid chromatography
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    摘要:

    目的建立了一种采用固相萃取-高效液相色谱(SPE-HPLC)测定油炸薯条中丙烯酰胺的方法。方法样品用2.0 mol/L氯化钠溶液进行提取,使用Styre Screen H2P固相萃取柱(200 mg/3 ml)净化,然后用Sapphire C18反相色谱柱进行分析,流动相为甲醇/水(5∶95),流速为1.0 ml/min,检测波长为200 nm。结果在1.0~10.0μg/g的添加水平范围内,样品中丙烯酰胺的平均回收率为66.2%~80.9%,相对标准偏差为1.6%~2.1%,最低检测限和最低定量限分别为0.025和0.080μg/g。结论该方法操作简单、快速、准确,可用于油炸薯条中丙烯酰胺的快速测定。

    Abstract:

    Objective To develop a method for determination of acrylamide in French fries using solid phase extraction(SPE) and high performance liquid chromatography(HPLC).Methods The sample was extracted with aqueous solution of 2.0 mol/L sodium chloride,and cleaned up by a Styre Screen H2P SPE cartridge(200 mg/3 ml),then analyzed by a Sapphire C18 reverse phase column with methanol/water(5∶ 95,V/V) as mobile phase at the flow rate of 1.0 ml/min and the wavelength of 200 nm.Results The result showed that the average recoveries were between 66.2% and 80.9% in the range of 1.0-10.0 μg/g,and the relative standard deviations(RSDs) were between 1.6% and 2.1%,with a LOD(limit of detection) of 0.025 μg/g and LOQ(limit of quantification) of 0.080 μg/g.Conclusion This method was simple,fast,precise and could be used for rapid determination of acrylamiade in French fries.

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王吉,李彧娜.固相萃取-高效液相色谱法检测油炸薯条中丙烯酰胺[J].中国食品卫生杂志,2012,24(5):445-448.

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