化学名2-Methyl-but-2-enoic acid 10-acetoxy-8,8-dimethyl，性状 白色晶体
加入夹带剂乙醇后白花前胡甲素提取量增加，且超临界流体萃取法明显高于水煎煮和加热回流法。
As cosolvent alcohol was added, the amount of extraction of the praeruptorin A increased, and the amount of SFECO2 extraction was higher than those of decoction and heating reflux.
方法：采用正交实验设计法优选前胡中白花前胡甲素的最佳萃取条件，并与传统提取方法作比较。
The optimal extraction process was carried out on orthogonal design, and SFECO2 was compared with the traditional methods.
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