Journal of Guangxi Normal University(Natural Science Edition) ›› 2011, Vol. 29 ›› Issue (1): 43-46.

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Antioxidant Activity of Extract from Mahonia bealeiFruit

ZHANG Ye1, ZOU Bi-qun1,2, FANG Yi-lin1,2, YI Xiang-hui2, PAN Ying-ming1   

  1. 1.College of Chemistry and Chemical Engineering,Guangxi NormalUniversity,Guilin Guangxi 541004,China;
    2.Department of Chemistry and Engineering Technology,Guilin Normal College,Guilin Guangxi 541001,China
  • Received:2010-09-13 Published:2018-11-16

Abstract: Mahonia bealei fruit was extracted using ultrasonic wave to get extract.Based on the study of scavenging activities of extract against DPPH· and ABTS+·,the influence of solvent effect on scavenging activities was studied and the fluorescence-quenching spectroscopy was employed to study their chelation abilities with copper(Ⅱ) and ferrous ion.The results showedthat IC50 of the extract of Mahonia bealei fruit scavenging against DPPH· and ABTS+· were much lower than 10 g/L,implying that the extract had goodscavenging activities,while the solvent effects had important influence on scavenging activities.In addition,the extract of Mahonia bealei fruit showedgood chelation abilities with copper(Ⅱ) and ferrous ion,with the quenching constants Ksv 7.57×102 and 3.09×103 L·mol-1,respectively.

Key words: Mahonia bealei fruit, DPPH·, ABTS+·, chelation, antioxidation

CLC Number: 

  • R282
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