微波与超声波提取绞股蓝总皂甙比较研究  

Comparison Study on Microwave and Ultrasonic Wave Extraction of Gypenosides from Gynostemma Pentaphyllum(Thunb.) Makino

作　　者：易克传[1] 曾其良[1] 李慧[1] 

机构地区：[1]安徽科技学院工学院,安徽凤阳233100

出　　处：《北京工商大学学报（自然科学版）》2011年第5期36-40,共5页Journal of Beijing Technology and Business University:Natural Science Edition

基　　金：安徽高等学校省级自然科学重点研究项目(KJ2010A075);科技部星火计划重点项目(2010GA710009)

摘　　要：以绞股蓝全草为原料,采用微波和超声波对绞股蓝总皂甙提取进行了对比研究,两种方法分别采用单因素实验及正交试验,探讨了优化提取条件和参数.结果表明:微波提取的优化工艺参数,料液比为1g:25mL,微波处理时间为11min,微波功率为400W,总皂甙提取率为7.59%;超声波提取的优化工艺参数,料液比为1g:25mL,提取温度为70℃,超声波处理时间为20min,超声波功率为400W,总皂甙提取率为8.01%.The microwave and ultrasonic techniques were used to extract Gypenosides from Gynostemma pentaphyllum（Thunb.） makino.The optimum extraction conditions were investigated by the single facter and orthogonal design.The optimal conditions for the microwave extraction were the ratio of material to solvent of 1：25（g/mL）,extracting time of 11 min,microwave power of 400W.Under the optimal conditions,the rate of Gypenosides was 7.59%.The optimal conditions for the ultrasonic extraction were as follows：the ratio of material to solvent of 1：25（g/mL）,extracting temperature of 70℃,extracting time of 20 min,ultrasonic power of 400W.Under the optimal conditions,the rate of Gypenosides was up to 8.01%.

关 键 词：绞股蓝 皂甙 微波提取 超声波提取 

分 类 号：TS202.3[轻工技术与工程—食品科学] TQ021.4[轻工技术与工程—食品科学与工程]