银杏叶中银杏总内酯提取工艺研究  

Study on technology for extraction of Ginkgolides

作　　者：陆敏强[1] 黄辉庆[1] 李瑞明[2] 

机构地区：[1]广东省中医院芳村分院,广东广州510370 [2]中山大学附属第一医院药学部,广东广州510080

出　　处：《中国医药导报》2010年第23期72-73,共2页China Medical Herald

摘　　要：目的:探讨银杏叶中银杏总内酯的提取工艺。方法:采用正交试验法,以银杏叶中银杏总内酯的提取率为评价指标,考察提取工艺。结果:银杏总内酯的最佳提取条件为12倍量的70%乙醇,采取热回流提取的方法,提取2次。结论:该方法能充分有效的提取银杏总内酯,可作为提取内酯的优选工艺。Objective:To explore the technology in extraction of Ginkgolides.Methods:Experiment was designed by orthogonal design,taking the recovery rate of Ginkgolides as the observing indexes to investigate the extraction process.Results:The optimal decocting condition was as follow:adding 12-fold 70% ethyl alcohol and hot reflux tow time.Conclusion:The optimal technique used in our investigation can thoroughly extract the Ginkgolides from ginkgo biloba leaf.

关 键 词：银杏内酯 正交试验 提取工艺 

分 类 号：R284.2[医药卫生—中药学]