Results:The optimum extraction process was as follows,adding 8 times of 50%alcohol into coptis meal,refluxing and extracting for 2 times,one hour every time.

• 结果:最优提取工艺为中等粒度的醋延胡索,50%25的乙醇,8倍溶剂量,提取2次,高温减压浓缩。