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Optimization of extract technology of favonoids in agrimony by orthogonal design test

CHEN You-sheng1,2,ZHANG Kun1,WANG Xi2(1.Faculty of Chemical Engineering and Light Industry,Guangdong University of Technology,Guangzhou Guangdong 510006,China;2.Department of Pharmacy,Guangdong Food and Drug Vocational College,Guangzhou Guangdong 510520,China)  
Aim To optimize the extract technology of the Favonoids from the Agrimonia pilosa.Methods The content of Flavonoids was computed with rutin as standard substance,and the influence of different factors and levels on the extract technology were investigated by means of orthogonal experiment.Results The optimum extraction technology was as follows: 12 times of 90% alcohol,refluxing 3 times and one hour each time.Under this condition,the content of Flavonoids was 10.52%.Conclusion The extraction method is appropriate,simple and feasible,which provides theoretic basis for the production of this product.
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