FOOD SCIENCE ›› 2002, Vol. 23 ›› Issue (6): 56-58.

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Study on Antioxidant Activity of Natural ShiKoniu

 WANG  Wei, ZOU  Jin-Hua   

  • Online:2002-06-15 Published:2012-02-13

Abstract: Natural shikoniu,anaphoquinonc was very sensityive t o environment pHIts color changed wi thpH,but it was rather stable to temperature.But,absorbance could be decreased by n atural illumination.The natural sh ikoniu showd some antioxidant activity,an d its capability was approximately 35%of the vitamin C.Chinese.gromwell(Li hospermumerythrorrhizon)is a very exploitable natural resource.

Key words: Shikoniu , Naphoquinone , DPPHmethod , Antioxidant activity