Capillary gas chromatography was used to determine extracting rates of osthol from Cnidium Monnieri ( L.) Cusson by several solvents.

• 用毛细管气相色谱测定蛇床子中蛇床子素含量的方法，测定了蒸馏水、95%25乙醇、无水乙醇、丙酮、氯仿等溶剂对蛇床子中蛇床子素的提取效率。