High-performance liquid chromatography-UV-mass spectrometry (HPLC-UV-MS) was used to check the distribution and accumulation trends of catalpol in Rehmannia species cultivated in the same place.

• 摘要采用液质联用(HPLC-UV-MS)法对同地栽培的地黄属各物种中梓醇的分布及积累规律进行了检测。