瑞香科植物芫花杀虫有效成分研究  

Study of the Extraction of Effective Insecticide Composition from Daphne genkwa Sieb et Zucc

作　　者：刘长欣[1] 刘思全[1] 贾素贞[1] 王秋芬[1] 

机构地区：[1]济南大学化学工程系,济南250022

出　　处：《农药》2002年第3期20-21,共2页Agrochemicals

摘　　要：通过水煮沸、热苯萃取、95 %乙醇重结晶方法从野生植物芫花中提取到一种黄色结晶 ,生测实验证明该物质具有良好的杀虫效果。使用柱层析法对这种物质进行再提纯 ,进而通过UV、NMR及化学方法 ,证明这种黄色结晶为 5 ,4′-二羟基 - 7-甲氧基黄酮 (芫花素 )The effective insecticide composition of natural growth Daphne genkwa Sieb et Zucc has been extracted by boiling in water ,extraction with benzene and recrystalization in ethanol It has been determined as 5,4'-dihydroxy-7-methoxylflavone by mp , UV, and NMR The obtained material has been preliminary proved that it has favorable insecticidal effect by application experiments

关 键 词：芜花 杀虫剂 有效成分 结构分析 植物杀虫剂 

分 类 号：TQ450.7[化学工程—农药化工]