Removal Effect of Hydrogen Water Drinking on Exercise-induced Production of Reactive Oxygen Species in Adult Men and Women
by Dong-Sung Shin, Eun-Young Hong, Jae-Yeo Park, Jai Youl Ro, Myung-Hee Chung, Sung-Hoon Jung, Youn-Ho Shin
Abstract:
PURPOSE This study aimed to investigate whether hydrogen (H2) water drinking reduced oxidative damage products (8-hydroxy-2-deoxyguanosine [8-oxo-dG], malondialdehyde [MDA], L-lactate) produced in blood after exercise-induced oxidative stress. METHODS Men (n=7) and women (n=8) (systolic blood pressure [BP]: 90-150 mmHg, diastolic BP: 60-100 mmHg) were recruited. Exercise was performed for 20 minutes (8 km/hr) using treadmill. Placebo or test group drunk water and hydrogen water (1.2-1.5 ppm, 1,000 mL), respectively, right after exercise. Three days after, the same experiment was performed in the cross-over manner. Blood samples were obtained 30 minutes before exercise, right after exercise, and 30, 60, 120 minutes after exercise. 8-oxo-dG, MDA and L-lactate in serum were determined using ELISA kit. RESULTS The blood levels of 8-oxo-dG were significantly increased after exercise (from 381±9.4 to 524±14.9 ng/mL for male; from 367±13.5 to 509±10.7 ng/mL for female). In the placebo group, the increased 8-oxo-dG at each time was not significantly different from the peak level induced by the exercise except that at 120 minutes in female. In the test group, its levels at each time were significantly lower than that in the peak level. The effect of hydrogen water was more pronounced in female than in male. The results obtained with MDA were quite similar to those with 8-oxo-dG. The L-lactate levels were not significant statistically in both groups. CONCLUSIONS The data suggest that the one time drinking of hydrogen water may suppress the exercise-induced oxidative stress.
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https://doi.org/10.15857/ksep.2018.27.4.289
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