高效液相色谱法快速检测小麦中交链孢酚单甲醚
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徐群英(1961—),女,武汉轻工大学高级实验师。E-mail:953831621@qq.com

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国家重点研发计划项目(编号:2017YFC1600900)


Rapid detection of Alternaria monomethyl ether in wheat by high performance liquid chromatography
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    摘要:

    开发了一种高效检测小麦中交链孢酚单甲醚(alternariolmethyl ether,AME)的高效液相色谱(HPLC)检测方法。将样品采用乙腈/甲醇/水(45/10/45,体积比),30 ℃振荡提取30 min后,经Bond Elut Plexa固相萃取小柱净化后,上样检测,检测器采用紫外检测器。该方法AME检测限为2.52 μg/kg,定量限为8.40 μg/kg,线性范围为0.25~2.00 μg/mL,加标样品中不同浓度的AME回收率为80.1%~88.3%,日内精密度和日间精密度分别为2.13%~6.59%和3.57%~8.43%。

    Abstract:

    In this study, a high-performance liquid chromatography (HPLC) method for the efficient detection of alternariolmethyl ether (AME) in wheat was developed. The sample was extracted with acetonitrile/ methanol/ water (volume ratio 45/10/45), shaken at 30 ℃ for 30 minutes, and purified by Bond Elut Plexa solid-phase extraction cartridge. Then the sample was detected with a Variable wavelength detector. In this method, the limit of detection (LOD) of AME was 2.52 μg/kg, and the limit of quantification (LOQ) was 8.40 μg/kg, and the linear range was 0.25~2.00 μg/mL. The concentration of AME recovery was 80.1%~88.3%, the intra-day precision and inter-day precision were 2.13%~6.59% and 3.57%~8.43%, respectively.

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徐群英,翟羽恒.高效液相色谱法快速检测小麦中交链孢酚单甲醚[J].食品与机械,2020,(3):60-62,118.
XU Qun-ying, ZHAI Yu-heng. Rapid detection of Alternaria monomethyl ether in wheat by high performance liquid chromatography[J]. Food & Machinery,2020,(3):60-62,118.

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  • 在线发布日期: 2023-02-16
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