Scavenging Activity of MGN-3 (Arabinoxylane from Rice Bran) with Natural Killer Cell Activity on Free Radicals

  • Kenji Tazawa, Hirohide Namikawa, Naoko Oida, Kayoko ltoh, Miki Yatsuzuka, Jun Koike, Masahiro Masada and Hiroaki Maeda
  • (edited by Chris Gutch PhD.)
  • 2000

MGN-3, which produces a remarkable increase in natural killer cell activity, showed a high scavenging rate on hypoxanthine-xanthine oxidase generated superoxide anion radicals, and on ferrous sulfate-hydrogen peroxide and UV light reaction system generated hydroxyl radicals. The S-group of MGN-3 fractions (L>10,000 molecular, 10.000>M>3.000 molecular and 3.000 molecular>S) showed the highest scavenging rate on superoxide anion radicals and the UV  light reaction system. There was no difference in the scavenging rate for hydroxyl radicals by the Fenton reaction. 

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