紫叶稠李叶片中黄酮的提取工艺优化  

Optimization of Extraction Process of Flavonoids from Padus virginiana Leaves

作　　者：何映霞[1,2] 张来[1,2] 沈昱翔[1,2] 龙菊[1,2] 

机构地区：[1]安顺学院化学与生物农学系,贵州安顺561000 [2]贵州省教育厅功能材料与资源化学特色重点实验室,贵州安顺561000

出　　处：《北方园艺》2013年第16期155-159,共5页Northern Horticulture

基　　金：贵州省中药现代化专项资助项目[黔科合中药字(2011)5053号]

摘　　要：以经过清洗、烘干、粉碎并且过筛的紫叶稠李叶粉末为原料,利用乙醇提取法,考察了乙醇浓度、提取时间、液料比、温度4个单因素对紫叶稠李叶黄酮提取率的影响,并在单因素试验的基础上进行了响应面试验,研究不同提取条件对紫叶稠李叶中总黄酮含量的影响。结果表明:紫叶稠李叶中黄酮提取的最佳工艺条件:乙醇浓度为70%,提取时间为80min,液料比为40∶1mL/g,提取温度为60℃。Taking Padus virginianaleaves powder after cleaning,drying,crushing and sieving as raw material,the effect of ethanol concentration,extraction time,solid-liquid ratio,temperature on the extraction rate of flavonoids in Padus virginianaleaves were studied,and on the basis of single factor experiment,the effect of different extraction conditions on the extraction rate of flavonoids in Padus virginianaleaves were studied using response surface experiment.The results showed that the optimization technological conditions of extraction process of flavonoids in Padusv irginianaleaves were ： ethanol concentration 70%,extraction time 80min,ratio of liquid to solid 40∶1mL/g,extraction temperature 60℃.

关 键 词：紫叶稠李叶 提取 黄酮 响应面 

分 类 号：TS255.36[轻工技术与工程—农产品加工及贮藏工程]