中文摘要：

用活性炭、水提醇溶、水提石油醚萃取、大孔吸附树脂吸附和高速逆流色谱等5种方法对藤茶中粗提二氢杨梅素进行纯化并对其结果进行比较研究，结果表明5种方法均能获得较高纯度有二氢杨梅素，不同方法各有优缺点。

英文摘要：

Five kinds of purification methods including activated carbon absorption, water extraction with alcohol dissolving, water-petroleum ether extraction, macroporous resin absorption and HSCCC ,were used to purify dihydromyricetin. A comparative study showed that dihydromyricetin could be gained with high purifity by all the five methods.