水法提取北冬虫夏草多糖的工艺研究  

Study on extraction of polysaccharides from Cordyceps militaris assisted by hot water

作　　者：高峰[1] 于亚莉[1,2] 刘静波[1] 张守勤[2] 

机构地区：[1]吉林大学军需科技学院食品科学与工程系,长春130062 [2]吉林大学生物与农业工程学院,长春130022

出　　处：《食品科技》2010年第8期213-216,共4页Food Science and Technology

基　　金：国家自然科学基金项目(30472135)

摘　　要：以北冬虫夏草为原料,以北冬虫夏草多糖为研究对象,采用热水浸提,探讨提取温度、提取时间、料液比对多糖提取率的影响;通过正交实验优化设计得到水法提取最优工艺参数条件:温度55℃、时间4h、固液比1∶40(g/mL),此最优工艺条件下进行验证实验,多糖提取率为34.14%。The hot water assisted extraction of polysaccharides from Cordyceps militaris was studied and the effects of temperature,extraction time,solid-liquid ratio on the yield of polysaccharides were investigated.Through the orthogonal test,the optimized conditions were achieved which included temperature 55 ℃,extraction time 4 h,solid-liquid ratio 1：40（g/mL）,the yield of validate experiment was 34.14%.

关 键 词：北冬虫夏草 多糖 热水浸提法 

分 类 号：R284.2[医药卫生—中药学]