Optimization of Microwave Extraction Process by Response Surface Methodology of Flavonoids from Tussilago farfara L.

Xiao Song; Peng Zhao

doi:10.4028/www.scientific.net/AMR.763.246

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Optimization of Microwave Extraction Process by Response Surface Methodology of Flavonoids from Tussilago farfara L.

Abstract:

Flavonoids from Tussilago farfara L. was extracted with the assistance of microwave.Box-Behnken design (BBD) was employed to optimize extraction time; microwave power and ratio of water to raw material to obtain a high flavonoids yield.The optimum extraction conditions were as follows: 73.3% ethanol-water solvent, time 16.25 min and ratio of solvent to raw material 36.2ml/g.The yield of flavonoids was 11.37% based on the above mentioned conditions.