微波法从虎杖中提取白藜芦醇工艺

The Technology of Extracting Resveratrol From Polygonum Cuspidatum by Microwave Method

研究了微波法提取虎杖中的白藜芦醇,通过正交实验初步确定微波功率、乙醇浓度、料液比、提取时间4个因素对提取效果的影响并确立最佳的提取工艺条件为:微波功率700W,乙醇浓度70%,料液比1∶20,微波时间20min。

This article studies the possibility of extracting resveratrol from polygonum cuspidatum by microwave method .Through orthogonal experiment ,the article analyzes the influence of microwave power ,ethanol concentration ,ratio of material to solvent and extraction time ,on the extraction effects .In the end ,the article determines the optimal condition of extraction technology is as follow ：the microwave power is 700W ,ethanol concentration is 70% ,ratio of material to solvent is 1 ：20 and the extraction time is 20 min .