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微波加压提取大黄的工艺研究

Chinese Traditional and Herbal Drugs(2012)

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Abstract
目的采用一种微波加压萃取装置提取大黄饮片,并优化其工艺。方法以浸膏得率和蒽醌提取率为指标,通过单因素和正交试验研究大黄在微波加压条件下提取的最佳工艺参数,并与常压煎煮法、加压提取法、常压微波提取法进行比较。结果微波加压提取大黄的最佳工艺为料液比1∶16,操作压力0.20 MPa,提取时间20 min,浸膏得率达到44.37%、蒽醌提取率达2.44%。结论微波加压提取大黄饮片浸膏得率和蒽醌提取率明显优于常压煎煮法、加压提取法、微波提取法。
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Key words
Rhei Radix et Rhizoma,anthraquinone,microwave pressure extraction,microwave extraction,orthogonal test
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