建立了菊芋叶中绿原酸类化合物的高效液相色谱-紫外检测-质谱(HPLC-UV-MS)定性分析方法.液相色谱条件:Inertsil ODS-3色谱柱(250 mm×4.6 mm,5 μm);甲醇和水(含1%乙酸)梯度洗脱,流量1.0 mL/min;柱温35 ℃;检测波长327 nm.质谱条件:Thermo公司TSQ三级四极杆质谱仪;电喷雾电离(ESI)接口;负离子检出模式.采用该方法得到了菊芋叶提取物的紫外检测的色谱图、负离子监测的总离子流图以及相应色谱峰的紫外光谱图和一级、二级质谱图,对其进行解析,鉴别出菊芋叶中的7个绿原酸类成分.该方法简便、快速、灵敏度高,可以很好地对菊芋叶中的绿原酸类化合物进行定性分析.
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