液质联用快速测定中药样品中的化学药物
Fast determination of undeclared prescription drugs in Chinese herbal medicines by LS-MS/MS
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摘要: 目的: 建立快速测定中药样品中非法添加的化学药物的液相色谱-质谱联用分析方法。 方法: 采用串联质谱联用技术的多反应监测模式,对分属于降糖、降压、壮阳、减肥等类别的36种中药,进行其中可能含有的格列本脲、西布曲明等10种化学药物的定性、定量分析。 结果: 在10min色谱未完全分离的情况下,在36个样品中准确地检出了4个降糖类样品(含格列本脲)、1个壮阳类样品(含西地那非)、2个减肥类样品(含西布曲明)。 结论: 多反应监测(MRM)模式确保了定性分析结果的专属性和定量分析的灵敏度,建立的方法可用于多种不同样品中化学药物的检验。Abstract: Objective: To build up a fast determination method for undeclared prescription drugs in Chinese herbal medicines by liquid chromatography-tandem mass spectrometry (LC-MS/MS). Methods: Multiple reaction monitoring (MRM) mode was employed for the analysis of ten possible prescription drugs, including glibenclamide, sibutramine, etc, in 36 Chinese herbal medicines which were categorized into antidiabetics, antihypertensives, aphrodisiacs, weight reducers, and others, according to pharmaceutical functions. Results: Four antidiabetics (containing glibenclamide), one aphrodisiac (containing sildenafil) and two weight reducers (containing sibutramine) were detected within 10min even without thorough chromatographic separation. Conclusion: LC-MS/MS with MRM mode guaranteed sufficient specificity for qualitative analysis and sensitivity for quantitative analysis, providing an alternative for the rapid analysis of multiple undeclared prescription drugs in Chinese herbal medicines.
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