四种大青叶中4(3H)喹唑酮的含量测定  

Quantitative Analysis of 4(3)-Quinazolinedione in 4 "Daqingye", Leave of Isatis indigotica,Baphicacanthus cusia, Polygonum tinctorium and Clerodendron cyrtophyllum

作　　者：刘训红[1] 房克慧 潘金火[1] 王玉玺[2] 

机构地区：[1]南京中医药大学,南京210029 [2]南京军区总医院,南京210002

出　　处：《中药材》2000年第7期388-389,共2页Journal of Chinese Medicinal Materials

摘　　要：以活性成分4(3H)喹唑酮[4(3)-quinazolinedione]作为质控指标,用RP-HPLC法对菘蓝叶、马蓝叶、蓼蓝叶及路边青叶进行了分析,4(3H)喹唑酮的含量(μg/g)分别为3O.7、7.2、4.4和27.5,本法快速、简便、重现性好,为大青叶药材的质量控制和品质评价提供了依据。Using 4(3)-quinazolinedione, the active constituent of 'Daqingye' , as the quality control criteria, 4 samples of the herbal drug collected from Isatis indigotica, Bapliicacanthus cusia, Polygonum tinctrium and Clerodendron cyrtophyllum were comparetively analyzed by RP-HPLC. The results showed that the average 4(3)-quinazolinedione contenls(μg/g) were 30.7, 7.2,4.4 and 27,5 respectively. This method was proved to be quick, simple and reproducible, and provided a reliable basis for the quality control and evaluation of Chinese Traditional Drug' Daqingye'.

关 键 词：菘蓝叶 马蓝叶 蓼蓝叶 路边青叶 喹唑酮 RP-HPLC 

分 类 号：R284.1[医药卫生—中药学] R282.71[医药卫生—中医学]