Scavenging Activity 0f MGN-3 (Arabinoxylane from Rice Bran) with Natural Killer Cell Activity On Free Radicals

Authors: K. Tazawa, H. Namikawa , N. Oida, K. ltoh, M. Yatsuzuka, J. Koike, M. Masada and H. Maeda

Abstract: 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.