茯苓皮中总三萜超声波辅助提取工艺优化  

Optimization of Ultrasonic-Assisted Extraction Technology of Total Triterpenoids from Poria coccus Peel

作　　者：徐学锋[1] 程水明[2] 张庆[2] 刘杰风 王春[2] 

机构地区：[1]华南农业大学食品学院,广州510642 [2]广东石油化工学院化学与生命学院,广东茂名525000

出　　处：《湖北农业科学》2013年第16期3939-3942,共4页Hubei Agricultural Sciences

基　　金：国家自然科学基金项目(30800774);广东省高等学校人才引进专项资金项目(粤财教[2012]41号)

摘　　要：为探讨茯苓[Poria cocos(Schw.)Wolf]皮中总三萜的超声波辅助提取工艺,考察了液固比、超声波功率、提取时间、提取温度和茯苓皮干粉粒度对茯苓皮总三萜提取率的影响,并对部分工艺参数采用正交试验设计进行优化。结果表明,以50%乙醇为提取溶剂、超声波功率500 W、液固比15∶1(V/m,mL∶g)、干粉粒度0.150 mm、提取温度50℃、提取时间20 min为最优提取参数组合,验证试验的提取率为2.6%,正交试验的优化结果可信。To investigate and optimize the ultrasonic-assisted extraction technology of total triterpenoids from Poria cocos(Schw.) Wolf peel, the effects of extraction solution to material ratio, ultrasonic power, extraction time and temperature,particle diameter of material on the extraction yield of total triterpenoids were investigated; and some extraction parameters were optimized by orthogonal experiment. The results indicated that the optimized extraction parameters were, extraction solution, alchohol solution with volume fraction of 50%, ultrasonic power, 500 W; solution to material ratio, 15∶1(V / m,mL∶g);particle diameter, 0.150 mm; extraction temperature, 50 ℃ and extraction time, 20 min. The extraction yield of total triterpenoids under the optimal parameters was 2.6%, indicating that the optimized conditions were reasonable and reliable.

关 键 词：茯苓[Poria cocos(Schw.)Wolf]皮 总三萜 超声波辅助提取 正交试验 

分 类 号：S[农业科学]