Study on Extraction Total Flavonoids by Microwave From Dioscorea opposita(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Study on Extraction Total Flavonoids by Microwave From Dioscorea opposita

Author(s):: XU Dong-sheng; Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegertables,Hubei Engineering University,Xiaogan,Hubei 432000

Abstract:: Using the Dioscorea opposita as material and ethanol as solvent to extract total flavonoids with microwave digestion instrument,the content of total flavonoids was determined by spectrophotometry,the optimal condition of extraction was studied through the orthogonal test based on the single factor.The results showed the optimal extraction conditions were as follows：ethanol concentration 60％,temperature 95℃,material to liquid ratio 1∶20 g/mL,extraction time 20 min,flavonoids extraction rate was 0.428%.The order of affecting was the extraction temperature>material to liquid ratio>ethanol concentration,the affecting of extraction time was no significant difference.

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Last Update: 2014-09-21