Objective: To investigate the influences of different drying methods on the contents of imperatorin and isoimperatorin in alcohol extracts of Angelica dahurica.

• 摘要目的：考察常压干燥、减压干燥、冷冻干燥、微波干燥4种方法对白芷醇提物中欧前胡素和异欧前胡素含量的影响。