建立了同时检测中药姜黄中3种微量的姜黄素类化合物的高效液相色谱-电喷雾串联质谱分析方法.姜黄根茎经乙醇超声提取后,无需其他处理可直接进样分析.以Microsorb C18色谱柱(250 mm×4.6 mm,5 μm)分离,乙腈和0.1%甲酸水梯度洗脱,在多反应监测模式(MRM)下对目标成分进行定性分析.利用质谱碎裂规律,分别对每个目标成分同时监测8个母离子/特征子离子对的反应过程,首次从姜黄中发现了3个微量的姜黄素类化合物成分.一次性完成了目标成分的同时定性,方法的检出限为0.2 μg/L.结果表明,该方法具有简便、快速、准确、灵敏度高的优点,适用于中药复杂体系中姜黄素类化合物的分析检测.
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