METHODS: Chlorogenic acid and its metabolites (caffeic acid, ferulic acid and hippuric acid) were detected by HPLC-MS from samples of in situ perfused rat intestine-liver model.

• 方法：采用液相色谱质谱联用(HPLC-MS)法测定大鼠原位肠-肝灌流模型灌流液中绿原酸及其代谢产物咖啡酸、阿魏酸和马尿酸。