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目的:优选祖师麻叶有效成分的最佳渗漉提取工艺。方法:以总黄酮和祖师麻甲素提取率为评价指标,用综合评分法进行数据处理,采用正交试验考察乙醇体积分数、乙醇用量、浸泡时间、滴速对提取效果的影响。结果:祖师麻叶有效成分最佳渗漉提取工艺为:加12倍量的60%乙醇,浸泡36 h,流速3 ml.min-1。结论:该渗漉工艺参数合理,结果可靠,提取效果较好。
Objective: To optimize the best percolation extraction technology of the active ingredients of Hema. Methods: The extraction rate of total flavonoids and zhongmai A was used as evaluation index, and the data were processed by comprehensive score method. The effects of ethanol volume fraction, ethanol dosage, soaking time and drip rate on the extraction were investigated by orthogonal test. Results: The best percolation extraction technology of the active ingredient of the hemp leaf was: adding 12 times the amount of 60% ethanol, soaking for 36 hours, the flow rate was 3 ml.min-1. Conclusion: The percolation process parameters are reasonable, the results are reliable, the extraction effect is better.