摘要
采用冷浸法提取杜仲叶中的总黄酮,探讨最佳的提取测定条件,经实验结果表明:最佳浸提温度为17℃;最佳乙醇浓度为70%,其相对标准偏差为1.64%,测定回收率为99.18%.
The extracting condition of flavonoid compounds from Eueommia ulmoides oliv by the alcohol extracting at house temperature was studied. The results showed that temperature of 17 and alcohol of 70% is the best condition RSD 1.64%. Reclaim 99. 18%.
出处
《安康师专学报》
2006年第5期70-71,共2页
Journal of Ankang Teachers College
关键词
杜仲叶
冷浸
提取
分光光度法
总黄酮
Eueommia ulmodies leaf
extracting at house temperature
flavonoid
