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一种简便方法从野葛根中提取纯化葛根异黄酮
引用本文:贺云,张尊听,杨红兵.一种简便方法从野葛根中提取纯化葛根异黄酮[J].天然产物研究与开发,2002,14(1):54-56.
作者姓名:贺云  张尊听  杨红兵
作者单位:1. 陕西师范大学化学与材料科学学院,西安,710062
2. 新疆石河子大学化学系,石河子,832003
摘    要:采用超声法70%乙醇为溶剂从野葛根中提取葛根异黄酮,将其以水为溶剂结合盐析法进行纯化,并且利用分光光度法和HPTLC法分别对超声提取物和纯化的葛根异黄酮产品中总黄酮和葛根素的含量进行了测定.结果表明以70%乙醇为溶剂超声萃取30 min提取葛根异黄酮和纯化葛根异黄酮产品的产率分别为17.8%和4.9%,异黄酮含量分别为42.55%和91.02%,葛根素含量分别为19.54%和67.15%.该方法从野葛根中提取纯化异黄酮具有省时、节约能源、操作方法简便和总异黄酮产品纯度高的优点.

关 键 词:野葛根  提取纯化  异黄酮  葛根素
修稿时间:2001年7月5日

A SIMPLE WAY TO EXTRACT AND PURIFY PUERAIA ISOFLAVONID FROM PUERARIA LOBATA
HE Yun,ZHANG Zun-ting.A SIMPLE WAY TO EXTRACT AND PURIFY PUERAIA ISOFLAVONID FROM PUERARIA LOBATA[J].Natural Product Research and Development,2002,14(1):54-56.
Authors:HE Yun  ZHANG Zun-ting
Abstract:Pueraia isoflavonid was extracted with 70% ethanol by the method of ultrasonic wave,and was purified with water by the method of salting out.The contents of Pueraia isoflavonid and puerarin were determined by the method of Spectrophotometry and HPTLC,respectively.The results showed that the yield of Pueraia isoflavonid of extracting with methanol in 30 min by ultrasonic wave and purified Pueraia isoflavonid were 17 8% and 4 9%,the content of isoflavonid were 42 55% and 91 02%,the content of puerarin were 19 54% and 67 15%,respectively.It was a save time and energy,convenient and efficient way to extract and purify Pueraia isoflavonid from P.lobata.
Keywords:Pueraria lobata(Willd  )Ohwi  Extracting and Purification  Isoflavonid  Puerarin
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