Physical training and fasting erythrocyte activities of free radical scavenging enzyme systems in sedentary men

  • H. Ohno
  • T. Yahata
  • Y. Sato
  • K. Yamamura
  • N. Taniguchi


Effects of 10 weeks of physical training on free radical scavenging enzyme systems in erythrocytes were investigated in 7 sedentary healthy male students. The training consisted of running over 5 km, 6 times/week. Their maximum oxygen uptake and 12 min walk-run performance increased significantly after training. Of the antioxidant enzyme systems examined in the erythrocytes, both catalase activity and concentration and total glutathione reductase (GR) activity also showed significant increases following the training. The erythrocyte GR activity coefficient also increased significantly. These results suggest that chronic aerobic exercise increases riboflavin requirements and has some positive effects on antioxidative processes.

Key words

Running training Human erythrocytes Catalase Glutathione reductase Reduced glutathione 


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Copyright information

© Springer-Verlag 1988

Authors and Affiliations

  • H. Ohno
    • 1
  • T. Yahata
    • 1
  • Y. Sato
    • 3
  • K. Yamamura
    • 2
  • N. Taniguchi
    • 4
  1. 1.Department of PhysiologyAsahikawa Medical CollegeAsahikawaJapan
  2. 2.Department of HygieneAsahikawa Medical CollegeAsahikawaJapan
  3. 3.Research Center of Health, Physical Fitness and SportsNagoya UniversityNagoya
  4. 4.Department of BiochemistryOsaka University Medical SchoolOsakaJapan

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