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首页> 外文期刊>Journal of applied physiology >Effect of purple sweet potato leaves consumption on exercise-induced oxidative stress and IL-6 and HSP72 levels.
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Effect of purple sweet potato leaves consumption on exercise-induced oxidative stress and IL-6 and HSP72 levels.

机译：食用紫薯叶对运动引起的氧化应激以及IL-6和HSP72水平的影响。

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The aim of this study was to evaluate the effects of purple sweet potato leaves (PSPL) consumption on oxidative stress markers in a healthy, nontrained, young male population after completing a running exercise protocol. A crossover design was applied, with 15 subjects participating in a two-step dietary intervention period. Each subject was given a high- (PSPL group) or low-polyphenol (control group) diet for 7 days with a 14-day washout period. After each dietary intervention period, all subjects performed 1 h of treadmill running at a speed corresponding to 70% of each subject's individual maximal oxygen uptake (Vo(2max)). Blood samples were taken before exercise and at 0, 1, and 3 h after exercise. Compared with the control group, PSPL consumption significantly increased plasma total polyphenols concentration and total antioxidant power (i.e., the ferric-reducing ability of plasma) in the PSPL group. The markers of oxidative damage, plasma TBARS and protein carbonyl, significantly decreased. Plasma IL-6 concentration also decreased. However, no significant difference was found in HSP72 levels between the two groups. These findings indicate that consuming a high-polyphenol diet for 7 days can modulate antioxidative status and decrease exercise-induced oxidative damage and pro-inflammatory cytokine secretion.
机译：这项研究的目的是评估健康的，未经训练的年轻男性人群完成跑步运动协议后食用紫薯叶（PSPL）对氧化应激指标的影响。应用交叉设计，有15名受试者参加了两步式饮食干预期。每位受试者均接受高（PSPL组）或低多酚（对照组）饮食，为期7天，淘汰期为14天。在每个饮食干预期后，所有受试者均以相当于每个受试者最大摄氧量（Vo（2max））的70％的速度跑步1h。运动前和运动后0、1、3小时采集血样。与对照组相比，PSPL消耗量显着增加了PSPL组的血浆总多酚浓度和总抗氧化能力（即血浆的三价铁还原能力）。氧化损伤，血浆TBARS和蛋白质羰基的标志物显着降低。血浆IL-6浓度也降低。但是，两组之间在HSP72水平上没有发现显着差异。这些发现表明，食用高多酚饮食7天可以调节抗氧化状态，减少运动引起的氧化损伤和促炎性细胞因子的分泌。

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