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Journal of Research in Medical Sciences، جلد ۱۷، شماره ۴، صفحات ۰-۰
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عنوان انگلیسی Does quercetin and vitamin C improve exercise performance, muscle damage, and body composition in male athletes?
چکیده انگلیسی مقاله Normal 0 false false false EN-US X-NONE AR-SA Background : quercetin is a bioflavonoid occurs in many food items. Some previous studies on quercetin showed the inconsistent results on exercise performance and muscle damage in athletes. The aim of this study was to determine the effects of 8 weeks of quercetin supplementation on exercise performance and muscle damage indices in student athletes. Materials and M ethods : this placebo-controlled, double-blind clinical trial was conducted on 60 male students for 8 weeks. The subjects were randomly assigned to one of the four groups: a) quercetin (500 mg/day quercetin + 200 mg/day placebo), b) quercetin+ vitamin C (500 mg/day quercetin + 200 mg/day vitamin C), vitamin C (500 mg/day placebo + 200 mg/day vitamin C), and placebo (500 mg/day placebo + 200 mg/day placebo). Time to exhaustion (TTE) for measuring performance, aspartate transaminase (AST), and creatine kinase (CK) for measuring muscle damage and body fat percent (BFP) were measured before and after intervention. Results : CK levels reduced in group 1 significantly ( P =0.045) and BFP reduced in group 1, 3, and 4, significantly, too ( P =0.018, P =0.013, and P =0.043, respectively). Whereas statistically significant changes between groups were not observed for TTE, AST, CK, and BFP after 8 weeks of intervention. Conclusions : supplementation with quercetin and vitamin C for 8 weeks did not improve exercise performance but reduced muscle damage and body fat percent in healthy subjects. Key words : body composition, muscle damage, performance, Quercetin, vitamin C
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نویسندگان مقاله غلامرضا عسکری | gholamreza askari
food security research center, isfahan university of medical sciences, isfahan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

رضا غیاثوند | reza ghiasvand
food security research center, isfahan university of medical sciences, isfahan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

جهانگیر کریمیان | jahangir karimian
faculty of management and medical information, isfahan university of medical sciences, isfahan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

آوات فیضی | awat feizi
faculty of epidemiology and biostatistics, isfahan university of medical sciences, isfahan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

زمزم پاک نهاد | zamzam paknahad
food security research center, isfahan university of medical sciences, isfahan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

غلامرضا شریفی راد | gholamreza sharifirad
faculty of health promotion and health education, isfahan university of medical sciences, isfahan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

مریم hajishafiei | maryam hajishafiei
food security research center, isfahan university of medical sciences, isfahan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی اصفهان (Isfahan university of medical sciences)

نشانی اینترنتی http://jrms.mui.ac.ir/index.php/jrms/article/view/8278
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Articles
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