Besed on the extract with 80% acidities alcohol,separation by silica gel,precipitation by ether,oxysophocarpine was obtained from Sophora flavescens.

• 采用80%25的酸性乙醇提取、硅胶柱层析分离、乙醚分级沉淀、丙酮重结晶的工艺方法,从苦参中分离得到氧化槐果碱单体。