摘要
采用乙醇提取、分光光度法测定了苦菜叶及苦菜茶中的总黄酮含量 .结果表明 ,苦菜叶中总黄酮含量为 3 .98% ;不同浸泡时间的苦菜茶中总黄酮含量不同 ,以沸水冲泡 2 0
The total flavonoid content in Chinensis leaves and Chinensis tea is determined by alcohol extraction and column chromatography colorimetric.It is demonstrated that the total flavonoid in Chinensis leaves is 3.98%.The flavonoid amount in Chinensis tea is different under different soaked time.The total flavonoid amount is largest when Chinensis tea is soaked by boiled water for 20 minutes.
出处
《烟台师范学院学报（自然科学版）》
2001年第4期275-277,共3页
Yantai Teachers University journal(Natural Science Edition)
