方法以岩白菜素含量为指标，比较冷浸提取、超声提取、回流提取3种方法提取物中岩白菜素含量。
MethodsThe cold-soaked extracting, ultrasonic extraction and heat reflux extraction technologies were respectively used for extraction of bergenin.
结果3种提取方法中回流提取的提取物中岩白菜素含量最高，正交实验优化条件为：料液比为1：15，提取时间为1.5 h，提取次数1次。
ResultsThe optimum parameters of extracting bergenin were as follows: extracting for 1.5 hours, one time, and 1:15 of the ratio of material and solvent.
结果3种提取方法中回流提取的提取物中岩白菜素含量最高，正交实验优化条件为：料液比为1：15，提取时间为1.5 h，提取次数1次。
ResultsThe optimum parameters of extracting bergenin were as follows: extracting for 1.5 hours, one time, and 1:15 of the ratio of material and solvent.
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