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Open Access Article
1 - The effect of green tea supplementation and climbing to altitude on the serum level of Malondialdehyde and Glutathione Peroxidase In non-professional healthy mountaineer females
Azar Momtaz Mokhtar NasiriIntroduction:Climbing and exercising at high altitudes increase the number of free radicals and reduce the level of antioxidant enzymes in the human body. The purpose of this study was to investigate the effect of three weeks of green tea supplementation before climbing MoreIntroduction:Climbing and exercising at high altitudes increase the number of free radicals and reduce the level of antioxidant enzymes in the human body. The purpose of this study was to investigate the effect of three weeks of green tea supplementation before climbing on serum levels of glutathione peroxidase and malondialdehyde in young non-professional female climbers.Material & Methods: This research was a quasi-experimental study. Twenty-four females (mean age 26.42 ± 7.10 years, weight 58.46 ± 7.96 kg, height 162.50 ± 5.87 cm, and body mass index 22.23 ± 2.67) were recruited voluntarily from a club in Rasht who were randomly divided into two groups: experimental group (EG) and control group (CG). EG consumed green tea daily (20g per day). At the end of the third week, both groups climbed to the Peak of Shah Moallem (3085 meters). In both groups, diet control was performed over three weeks. To measure plasma levels of glutathione peroxidase (GPx) and malonyl dialdehyde (MDA), blood samples were taken in three stages: before green tea supplement consumption, pre and post-climb.Results: The results showed that compared to CG, the increase of MDA after climbing to the altitude was significantly lower (p= 0/02(. Compared to the CG, the amount of plasma GPx increased significantly in the EG after climbing to the height (P=0/001). The results of the research showed the improvement of redox state in mountain climbers after consuming green tea.Conclusion:The results of this research showed that consuming green tea before climbing to high altitudes can improve the performance of the antioxidant system in climbers. Manuscript profile
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