Evaluation of the Antioxidant Activity of Cooked Gomchwi (Ligularia fischeri) Using the Myoglobin Methods

  • An, Sejin (Plant Resources Research Institute, Duksung Women's University) ;
  • Park, Hee-Sook (Plant Resources Research Institute, Duksung Women's University) ;
  • Kim, Gun-Hee (Plant Resources Research Institute, Duksung Women's University)
  • Received : 2013.12.30
  • Accepted : 2014.03.12
  • Published : 2014.03.31


This study evaluated the influence of cooking methods (blanching, pan-frying, and microwaving) on the antioxidant activity of Ligularia fischeri (LF) using myoglobin methods against five different reactive oxygen species (ROS) (i.e., 2,2-diphenyl-1-picrylhydrazyl (DPPH), hypochlorite ions, hydroxyl radicals, peroxyl radicals, and peroxynitrite ions). With respect to DPPH scavenging activity, the antioxidant activities of blanched LF and pan-fried LF were significantly higher (P<0.05) than that of fresh LF for all cooking times. Pan-fried LF and microwaved LF showed higher antioxidant activities against hydroxyl radicals and peroxyl radicals than uncooked LF, while the protective effect of blanched LF was low, except for the at the 3 min cooking time point. Microwaved LF showed high antioxidant activity against all ROS at the 2 min cooking time point. Interestingly, LF that had been microwaved for 2 min and 3 min had high antioxidant values, whereas blanched LF and pan-fried LF had low antioxidant values. The activities of cooked LF against five different ROS were characterized comprehensively by 5-axe cobweb charts.


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