中药芫花Daphne genkwa Sieb.et Zucc.的根,民间常用于中期妊娠引产取得显著效果,近年已制成各种制剂应用于临床。其引产的主要成分为芫花酯甲。为了解芫花酯甲在芫花根中的分布及选择最佳采收时期,我们测定了不同季节、部位芫花根中芫花酯甲的含量,为合理用药、发掘药源提供参考。 The root of Daphne genkwa Sieb.et Zucc., a traditional Chinese medicine flower, is widely used in the induction of labor in mid-pregnancy and has achieved remarkable results. In recent years, various preparations have been made into clinical use. The main component of the induction of labor is Achillea. In order to understand the distribution of Achillea spp. in the roots of Flos Sophorae and to select the best harvest time, we determined the content of Flos Sophorae in different seasons and parts, so as to provide a reference for rational drug use and exploration of drug sources.