Protective Activities of Fractions of Water Extract Obtained from Artemisia iwayomogi Kitamura against Oxidative Stress-induced Mutagenesity: Correlation with Their Reactive Oxygen Scavenging Activity

  • Ahn, Byung-Yong (Department of Oriental Medicine Resources, College of Environmental & Bioresource, Chonbuk National University) ;
  • Jung, Mun-Yhung (Department of Bioscience and Biotechnology in Graduate School, Department of Food Science and Culinary Arts, College of Food Science, Woosuk University) ;
  • Choi, Dong-Seong (Department of Food and Biotechnology, College of Food Science, Woosuk University)
  • Published : 2009.08.31

Abstract

Water extracts of injinssuk (Artemisia iwayomogi Kitamura) (WE) were obtained from the dried and ground leaves and stems of injinssuk. The WE was further fractionated into crude polysaccharide (C-PS) and nonpolysaccharide fractions (N-PS). The protective activities against the tert-butyl hydro peroxide induced mutangenecity on Escherichia coli PQ37 and reactive oxygen species scavenging activity of the WE, C-PS, and N-PS were studied. The WE obtained from leaves showed a significantly higher inhibitory effect on the mutagenicity than WE from stem. The WE obtained from the leaves having higher crude polysaccharide content but lower content of total carbohydrates had significantly higher antimutagenicity than that from the leaves with lower crude polysaccharide but higher total carbohydrate contents. Further study showed that C-PS fraction showed markedly stronger antimutagenic effect than N-PS. C-PS was also more effective than N-PS for hydroxyl radical scavenging activity, but was similar to N-PS in superoxide radical scavenging activity.

Keywords

References

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