Isolation and Quantitative Analysis of Alisol B 23-Acetate from the Rhizome of Alisma orientale

摘要

Alismatis Rhizoma is an oriental medicine originated from the rhizome of Alisma orientale or Alisma plang-tago-aquatica var. orientale (Alismataceae). As an standard compound of this plant, alisol B 23-acetate was isolated from the dichloromethane fraction of Alisma orientale and identified by the spectroscopic evidences. A quantitative analysis of alisol B 23-acetate using HPLC method showed that the average content was 0.47± 0.11% in 33 samples throughout the various regions of Korea.