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SEPARATION METHODS AND EXTRACTING TECHNIQUES OF BAICALIN

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Paper number  036095,  2003 ASAE Annual Meeting . (doi: 10.13031/2013.13913) @2003
Authors:   Han Lujia, Yan Qiaojuan, Jiang Zhengqiang, Yang Deyong
Keywords:   Baicalin, extracting method, extracting technology, alkali ion function water, yield and content

Baicalin is one of the main ingredients with activity in Scutellaria baicalensis Georg. How to improve the yield and content of Baicalin in the extracting process is always a problem in production. The effect of three traditional extracting methods (controlled temperature water immersing, decoction and controlled temperature alkali added water immersing method) on the yield and content of Baicalin were studied. The characteristic of easy solubility under alkaline conditions of Baicalin, the extracting effect and process of Baicalin by means of alkali ion function water are compared. The result shows that the alkali ion function water method is better than that of traditional methods in terms of yield and content of Baicalin. In addition to the effect of different methods of removing impurities, the acidity deposit method and the washing deposit method on improving yield and content of Baicalin were also studied in detail.

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