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。