Effects of inhalation of oxygen on free radical metabolism and oxidative, antioxidative capabilities of the erythrocyte after intensive exercise.
Two groups, each containing 10 young healthy male students, participated in the study. One group breathed 70% O2 after exercise (70% O2 group) while the other group breathed normal air (Normal air group) after exercise. The results of the study show the following: (1) in both groups, the Monodehydyoxygenbate (MDA) in erythrocyte (RBC) and serum, and superoxide dismutase (SOD) and glutathione Peroxidas (GSH-px) in serum were significantly higher immediately after exercise than at rest; (2) the MDA in RBC and serum were significantly higher in the Normal air group than in the 70% O2 group for 30 minutes after exercise; and (3) the SOD in serum and GSH-px in blood and serum were significantly higher in the 70% O2 group than in the Normal air group for 30 minutes after exercise. We suggest that the effects of inhaling 70% O2 could prevent fatigue from antagonizing free radicals damage, hastening removal of free radicals, which would facilitate recovery from fatigue.
Xiao
Guo Qiang
GQ
Department of Physical Education, The South China Normal University, Guangzhou. xiaogqde@163.com
Li
Huan Chun
HC
D000280:Administration, Inhalation; D000328:Adult; D004912:Erythrocytes / Q000187:drug effects* / Q000378:metabolism; D015444:Exercise / Q000502:physiology*; D005609:Free Radicals / Q000378:metabolism; D005979:Glutathione Peroxidase / Q000097:blood; D006801:Humans; D008297:Male; D018384:Oxidative Stress; D010100:Oxygen / Q000008:administration & dosage / Q000494:pharmacology*; D013482:Superoxide Dismutase / Q000097:blood
D005609:Free Radicals; D005979:Glutathione Peroxidase; D013482:Superoxide Dismutase; D010100:Oxygen