目的:采用超高效液相色谱仪与四极杆飞行时间串联质谱仪(UHPLC-Q-TOF-MS/MS)对矮紫堇中化学成分进行快速分析和鉴别。方法:采用YMC-ULtra HT Pro C18色谱柱(100 mm×3 mm,2μm),以甲醇和0.5%甲酸-水的流动相进行快速的梯度洗脱,流速...目的:采用超高效液相色谱仪与四极杆飞行时间串联质谱仪(UHPLC-Q-TOF-MS/MS)对矮紫堇中化学成分进行快速分析和鉴别。方法:采用YMC-ULtra HT Pro C18色谱柱(100 mm×3 mm,2μm),以甲醇和0.5%甲酸-水的流动相进行快速的梯度洗脱,流速0.4 m L/mi,柱温32℃。质谱定性采用电喷雾离子源(ESI)的飞行时间质谱,正、负离子模式下采集数据,质量扫描范围m/z 100~1000。结果:共鉴别出矮紫堇中的10个生物碱类成分、2个黄酮类成分。结论:UHPLC-Q-TOF-MS/MS方法能快速鉴别矮紫堇中的化学成分,为矮紫堇的药效物质研究奠定基础。展开更多
In this article,the fragmentation rule of 6 O6-Opioids on LC-MS/MS was investigated and a characteristic path of fragmentation about O6-Opioids was found.According to the characteristic path of fragmentation,system an...In this article,the fragmentation rule of 6 O6-Opioids on LC-MS/MS was investigated and a characteristic path of fragmentation about O6-Opioids was found.According to the characteristic path of fragmentation,system analysis of the O6-Opioids using LC-MS/MS with a precursor scan method monitoring m/z 165 was developed and validated.The validation result shown that the method is specific,sensitive,reproducible and stable.展开更多
文摘目的:采用超高效液相色谱仪与四极杆飞行时间串联质谱仪(UHPLC-Q-TOF-MS/MS)对矮紫堇中化学成分进行快速分析和鉴别。方法:采用YMC-ULtra HT Pro C18色谱柱(100 mm×3 mm,2μm),以甲醇和0.5%甲酸-水的流动相进行快速的梯度洗脱,流速0.4 m L/mi,柱温32℃。质谱定性采用电喷雾离子源(ESI)的飞行时间质谱,正、负离子模式下采集数据,质量扫描范围m/z 100~1000。结果:共鉴别出矮紫堇中的10个生物碱类成分、2个黄酮类成分。结论:UHPLC-Q-TOF-MS/MS方法能快速鉴别矮紫堇中的化学成分,为矮紫堇的药效物质研究奠定基础。
文摘In this article,the fragmentation rule of 6 O6-Opioids on LC-MS/MS was investigated and a characteristic path of fragmentation about O6-Opioids was found.According to the characteristic path of fragmentation,system analysis of the O6-Opioids using LC-MS/MS with a precursor scan method monitoring m/z 165 was developed and validated.The validation result shown that the method is specific,sensitive,reproducible and stable.
