FOOD SCIENCE ›› 2002, Vol. 23 ›› Issue (4): 45-50.

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Study on Extration of Flavonoid in Zingiber Officinalis and Determination of Antioxidation Activity

 YANG  Yang   

  • Online:2002-04-15 Published:2012-02-13

Abstract: The extraction technology for flavonoid in zingiber officinalis was studied, the results showed that the highest extraction rate of flavonoids could be obtained with 80% aqueous ethanol refluexing at a radio of solid to liquid as 1:2 , at temperature 80℃ and vibrating extraction 3h .The stability and antioxidative astivity of zingiber officinalis extract were studied at different conditions.

Key words: Zingiber officinalis , Flavonoid , Extraction , Stability , Antioxidative