摘要
目的 :提取分离藤茶 (Ampelosisgrossedentata)中的双氢杨梅树皮素 (dihydromyricetin)和杨梅素 (Myricetin)。方法 :采用新的水提取和溶剂分离的方法 ,经化学和光谱鉴定确定结构。结果 :提取产物经确证为双氢杨梅树皮素(dihydromyricetin)和杨梅素 (Myricetin) ,平均收率分别为 1 9.6%和 0 .51 %。结论 :该提取法经济、简便 ,易于操作 ,并且提取率较高。
OBJECTIVE:To extract and isolate dihydromyricetin and myricetin in Ampelosis grossedentata.METHOD:The extraction and isolation were carried out by a new method using H 2O、Me 2CO and EtOH.The structures were determined by means of physicochemical properties and spectral analysis(UV,IR, 1HNMR and EI MS).RESULTS:Dihydromyricetin and myricetin were isolated and the yields were 19.6% and 0.51% respectively.CONCLUSION:This method were simple and convenient to operate.
出处
《中国现代应用药学》
CAS
CSCD
2000年第3期196-197,共2页
Chinese Journal of Modern Applied Pharmacy
基金
广西青年科学基金资助项目! 9736 0 0 8号
关键词
显齿蛇葡萄
双氢杨杨树皮素
杨梅素
黄酮
提取
Ampelopsis grossedentata,dihydromyricetin,myricetin,extraction method
