离子液体超声波辅助法提取杜仲皮总木脂素的工艺研究  

Study on process of ionic liquid-based ultrasonic-assisted extraction of total lignans from barks of Eucommia ulmoides Olive.

作　　者：史丽娟[1] 彭胜[1] 郑阳[1] 王志宏[1] 彭密军[1] 

机构地区：[1]吉首大学林产化工工程湖南省重点实验室杜仲湖南省工程实验室,湖南张家界427000

出　　处：《应用化工》2015年第12期2250-2254,2259,共6页Applied Chemical Industry

基　　金：湖南省教育厅高校产业化培育项目(11CY015);吉首大学研究生校级科研项目资助(14JDY072)

摘　　要：采用离子液体(ILs)超声波辅助法提取杜仲皮总木脂素,考察了ILs种类、料液比、溶剂浓度、提取温度、提取时间、浸泡时间、提取次数对杜仲皮总木脂素得率的影响,采用响应面法优化提取工艺。结果表明,超声波辅助离子液体提取杜仲皮总木脂素的最佳工艺为:0.87 mol/L的[C_4mim]BF_4溶液,液料比18∶1 m L/g,浸泡时间2 h,提取1次,提取温度54℃,提取时间30 min,总木脂素得率11.03%。此法快速、高效、简单、重现性好。Using ion liquid ultrasonic assisted extraction of total lignan from bark of Eucommia ulmoides Olive. The influence of ILs species,liquid-solid ratio,solvent concentration,ultrasonic temperature,time,soaking time and times on yield were investigated. Response surface methodology（ RSM） was applied the extraction process. The result showed that the optimized conditions of ionic liquid-based ultrasonic- assisted extraction of total lignans from barks of Eucommia ulmoides Olive. were： 0. 87 mol / L of [C4mim]BF4,18∶ 1 m L/g of liquid-solid ratio,54 ℃ of ultrasonic temperature,2 h of soaking time once 30 min of ultrasonic time. The yield of total lignans was 11. 03%. The proposed method was rapid,efficient and simple and well reproducible.

关 键 词：杜仲皮总木脂素 提取工艺 离子液体 超声波辅助法 响应面法 

分 类 号：TQ351[化学工程]