大黄中大黄素的提取条件优化
Lishizhen Medicine and Materia Medica Research(2008)
Abstract
目的研究大黄中大黄素的提取工艺。方法以大黄素含量为指标,正交实验法考察提取时间、乙醇浓度及用量对大黄素提取率的影响。结果提取时间、乙醇浓度及用量对大黄素提取率的影响有显著影响。结论最佳提取工艺为:大黄用8倍量60%乙醇,浸泡12 h,渗漉提取12 h,大黄素含量最高。
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Key words
Percolation process,Emodin,Orthogonal design,Rhubarb
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