| 正交设计法优化兴安白芷茎中总香豆素的提取工艺 |
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| 引用本文： | 邓晓华,王萍.正交设计法优化兴安白芷茎中总香豆素的提取工艺[J].中国林副特产,2009(3):19-21. |
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| 作者姓名： | 邓晓华 王萍 |
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| 作者单位： | 1. 黑龙江省林业科学院,哈尔滨,150081
2. 东北林业大学 |
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| 摘 要： | 优选回流法提取兴安白芷总香豆素的最佳工艺.采用正交试验法,以乙醇浸膏得率及总香豆素含量为考察指标,对乙醇浓度、回流时间、溶媒用量、提取次数4个影响因素进行研究.结果表明,最佳工艺为A3B2C1D2,即用10倍量的95%的乙醇回流2次,每次2h.影响兴安白芷茎中总香豆素得率的最主要因素是乙醇浓度.
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| 关 键 词： | 兴安白芷 总香豆素 正交试验 提取工艺 |
Extraction Optimization of Coumarins from Angelica dahurica by Orthogonal Experiments |
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| Deng Xiaohua,Wang Ping.Extraction Optimization of Coumarins from Angelica dahurica by Orthogonal Experiments[J].Forest By-product and Speciality in China,2009(3):19-21. |
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| Authors: | Deng Xiaohua Wang Ping |
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| Institution: | 1.Heilongjiang Academy of Forestry;Harbin 150081;2.Northeast Forestry Oniversity.Harbin |
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| Abstract: | Objective To optimize the extraction conditions of coumarins from Angelica dahurica(Fisch) Benth.et Hook.f.ex.Franch.et Sav.Methods According orthogonal design L9(34),the effect on the technology of the four following factors: extraction time;ethanol concentration;water-bath temperature and extraction times were observed.Results The optimum conditions for the ext raction of Angelica dahurica(Fisch) Benth.et Hook.f.ex.Franch.Et Sav.is A3B2C1D2.That is,adding ten times of 95 % alcohol,refluxing and extracting... |
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