从冬青叶中提取冬青油的工艺探讨

Oil of wintergreen is extracted from leaf of wintergreen

对用溶剂浸泡冬青叶提取冬青油 (水杨酸甲酯 )的工艺进行了探讨 ,结果表明在常温常压下用水∶乙醇体积比为 2∶ 1的溶液浸取 6 h后再进行蒸馏 ,产率可达 3.1 8% .

This paper studies on the technology of drawing wintergreen oil with solvent soaking method.The result obtained shows that:soaking 6 hours with solution of water and alcohol(2∶1)and then distilling,the producing rate is to 3.18%.