Effects of carob rich-polyphenols on oxidative stress markers and physical performance in taekwondo athletes.

IF 4.2 2区 医学 Q1 SPORT SCIENCES Biology of Sport Pub Date : 2024-10-01 Epub Date: 2024-06-17 DOI:10.5114/biolsport.2022.106154
Nawel Gaamouri, Hassane Zouhal, Katsuhiko Suzuki, Mehrez Hammami, Aloui Ghaith, El Hafedh El Mouhab, Anthony C Hackney, Ismail Laher, Omar Ben Ounis
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Abstract

Excessive exercise can induce cell damage and impair muscle function by generating oxidative stress. Carob rich phenolic components have attracted the attention of many researchers because of their antioxidant actions. We utilized a double-blind randomized placebo-controlled design to study the putative antioxidant role of six weeks of daily polyphenol supplementation on selected blood markers of oxidative stress and performance in taekwondo athletes. We studied the effects of daily supplementation with carob (40 g/d, for six-weeks) on performance levels and antioxidant capacity in 22 taekwondo athletes (age 21.9 ± 1.2 years; height 1.66 ± 0.34 m; weight 68.3 ± 16.9 kg; women = 10, men = 12) using a randomized, double-blinded study. Participants were divided into an experimental group (EG) or placebo group (PG). All athletes performed a frequency speed of kick test mult (FSKTmult) before and after a six-week training period. Superoxide dismutase (SOD), catalase (CAT), and malondialdehyde (MDA) were measured 5 min after a FSKTmult. Physical performances improved significantly after six weeks in EG compared to PG for kicks number per set (from set 1 to set 5: p = 0.032, d = 0.70; p = 0.020, d = 0.77; p = 0.001, d = 1.12; p = 0.001, d = 1.25; p = 0.003, d = 1.01), total kicks number (p = 0,002, d = 1.04), and kick decrement index (%) (p = 0.017, d = 0.13). There were significant increases in CAT (p = 0.001, d = 1.85) and SOD (p = 0.001, d = 1.98) activities and significant decreases in MDA levels (p = 0.002, d = 0.81) in the EG. Carob supplementation during a six-week training program reduced oxidative stress and improved physical performance levels in taekwondo athletes.

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角豆树多酚对跆拳道运动员氧化应激指标和身体表现的影响。
过度运动会产生氧化应激,从而诱发细胞损伤并损害肌肉功能。角豆树中富含的酚类成分因其抗氧化作用而受到许多研究人员的关注。我们采用双盲随机安慰剂对照设计,研究了每天补充六周多酚对跆拳道运动员血液中某些氧化应激指标和运动表现的抗氧化作用。我们采用随机双盲法研究了 22 名跆拳道运动员(年龄 21.9 ± 1.2 岁;身高 1.66 ± 0.34 米;体重 68.3 ± 16.9 千克;女性 = 10 人,男性 = 12 人)每天补充角豆树(40 克/天,为期六周)对运动成绩和抗氧化能力的影响。参与者被分为实验组(EG)和安慰剂组(PG)。在为期六周的训练前后,所有运动员都进行了踢腿频率速度多重测试(FSKTmult)。在 FSKTmult 结束后 5 分钟测量超氧化物歧化酶(SOD)、过氧化氢酶(CAT)和丙二醛(MDA)。六周后,EG 与 PG 相比,在每组踢球次数(从第 1 组到第 5 组:p = 0.032,d = 0.70;p = 0.020,d = 0.77;p = 0.001,d = 1.12;p = 0.001,d = 1.25;p = 0.003,d = 1.01)、总踢球次数(p = 0.002,d = 1.04)和踢球下降指数(%)(p = 0.017,d = 0.13)方面的体能表现均有明显改善。在 EG 中,CAT(p = 0.001,d = 1.85)和 SOD(p = 0.001,d = 1.98)活性明显增加,MDA 水平明显下降(p = 0.002,d = 0.81)。在为期六周的训练计划中补充角豆树可减少氧化应激,提高跆拳道运动员的体能水平。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Biology of Sport
Biology of Sport 生物-运动科学
CiteScore
8.20
自引率
12.50%
发文量
113
审稿时长
>12 weeks
期刊介绍: Biology of Sport is the official journal of the Institute of Sport in Warsaw, Poland, published since 1984. Biology of Sport is an international scientific peer-reviewed journal, published quarterly in both paper and electronic format. The journal publishes articles concerning basic and applied sciences in sport: sports and exercise physiology, sports immunology and medicine, sports genetics, training and testing, pharmacology, as well as in other biological aspects related to sport. Priority is given to inter-disciplinary papers.
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