摘要
以乙醇提取石南藤中的黄酮苷,考察了料液比、提取温度、提取时间以及乙醇体积分数对提取率的影响。结果表明,最佳提取工艺条件为:乙醇体积分数50%,料液比1∶40,提取温度90℃,提取时间2.5 h,在此条件下,黄酮苷的提取率可达4.2%。
To optimize the extraction procedure for flavonoid glycosides from piper wallichii （Miq.） Hand.-Mazz by ethanol. The effect of solid-liquid ratio, extraction temperature, time, volume fraction of ethanol on extraction yield. The result showed that the optimum extraction condition was as follows：volume fraction is 50% ,solid-liquid ratio is 1 ： 40, the extraction time is 2.5 h, the temperature is 90 ℃. The extraction ratio of flavonoid glycosides can be up to 4.2% under this condition.
出处
《应用化工》
CAS
CSCD
2009年第7期1040-1042,共3页
Applied Chemical Industry
关键词
石南藤
黄酮苷
乙醇
提取
piper wallichi （ Miq. ） Hand. -Mazz
flavonoid glycosides
ethanol
extracting
