建立了高效液相色谱-串联质谱法(HPLC-MS/MS)分离和鉴定绿原酸及其相关杂质的方法.采用C18色谱柱(5 μm,4.6 mm×150 mm),乙腈-水(含0.1%甲酸)(体积比为8:92)为流动相,经HPLC-MS/MS和HPLC-二极管阵列检测器在线检测,对工业绿原酸中的奎尼酸、咖啡酸、绿原酸同分异构体等8个相关杂质的结构进行了鉴定.
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