甘草中甘草酸的提取工艺优化研究
Guangzhou Chemical Industry(2009)
Abstract
优选了甘草中甘草酸的提取条件,建立了紫外分光光度法法测定甘草酸含量,在单因素试验基础上,以甘草酸收率为指标,按正交表L9(34)设计试验,优化溶剂浓度、提取次数、固液比、微波时间4个因素。最佳提取工艺为:溶剂浓度为0.5%,提取次数为2次,固液配比1:15,微波的时间15min。该优选提取工艺合理可行,与传统工艺相比,具有省时、省能源等特点。
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Key words
glyeyrrhizie acid,glycyrrhiza,thogonal test,microwave-assisted extraction
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