Title: Study on the extaction of total flavonoids from sea asparagus using microwave-assisted extraction process
Abstract: Purpose With sea asparagus as raw material and ethanol as extraction solvent,total flavonoids were extracted using microwave-assisted extraction based on traditional extraction technique. MethodsThe effects of time,temperature,microwave power,solid-liquid ratio and ethanol concentration on the yield of total flavonoids were investigated and optimum extraction conditions were determined by orthogonal test on the basis of single factor experiments.Results The optimum extraction process conditions were:extraction time 15 min,extraction temperature 60 ℃,microwave power 700 W,solid to liquid ratio 1:40,and ethanol concentration 55%.The yield of total flavonoids from sea asparagus under these conditions was 1.37%.Conclusion The efficiency of total flavonoids using microwave-assisted extraction was higher than that of the traditional extraction process.Ethanol concentration,extraction time and temperature had significant impacts on the yield of total flavonoids.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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