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首页> 外文期刊>European journal of applied physiology >Effects of green tea extract supplementation and endurance training on irisin, pro-inflammatory cytokines, and adiponectin concentrations in overweight middle-aged men
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Effects of green tea extract supplementation and endurance training on irisin, pro-inflammatory cytokines, and adiponectin concentrations in overweight middle-aged men

机译：绿茶提取物补充和耐久性训练对超重中年男子伊森松，促炎细胞因子和脂联素浓度的影响

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Purpose Green tea extract (GTE) supplementation has been proposed to possess anti-inflammatory properties. This study assessed the effects of GTE on endurance training (ET) induced changes on irisin, pro-inflammatory cytokines, adiponectin and anthropometric indices in overweight middle-aged males. Methods Participants were randomly assigned to three groups (n = 15): endurance training + placebo (ET + P), endurance training + green tea extract supplementation (ET + GTE), and no endurance training + placebo (P). The ET intervention consisted of an 8-week training program that included circuit training, fast walking or jogging performed three times/week at a moderate intensity (40-59% of the heart rate reserve). Participants received 500 mg/day GTE using a green tea capsule. Serum concentrations of interleukin 6 (IL-6), tumor necrosis factor-alpha (TNF-alpha), irisin, adiponectin, and high-sensitivity C-reactive protein (hs-CRP) were measured prior to and after the 8-week training intervention. Results Both exercise interventions decreased IL-6 and hs-CRP (p < 0.05), and increased adiponectin (p < 0.01) levels; changes in these variables were greater in the ET + GTE group compared to the ET + P and P groups (p < 0.01). Irisin concentrations increased only in the ET + GTE group and were different from the ET + P and P groups (p < 0.01). There were no changes in TNF-alpha concentrations in any of the groups. Both exercise interventions (ET + GTE and ET + P) decreased bodyweight, body mass index (BMI), body fat percentage (BFP), and visceral fat area (VFA) (p < 0.05), with greater changes in these variables occurring in the ET + GTE group compared to ET + P and P groups (p < 0.01). Conclusion The combination of GTE supplementation and ET produces beneficial anti-inflammatory and metabolic effects, which were greater than those produced by ET alone.
机译：提出了目的绿茶提取物（GTE）补充剂具有抗炎性质。该研究评估了GTE对耐久性训练（ET）诱导抗鸢尾苷，促炎细胞因子，脂肪切除素和人体测量索引中的耐久性训练的影响。方法将参与者随机分配给三组（n = 15）：耐久性训练+安慰剂（ET + P），耐久性训练+绿茶提取物补充（ET + GTE），没有耐久性训练+安慰剂（P）。 ET干预由8周的培训计划组成，包括电路训练，快速行走或慢跑，以适度的强度（40-59％的心率储备）进行三次/周。参与者使用绿茶胶囊收到500毫克/天的GTE。在8周培训之前和之后测量白细胞介素6（IL-6），肿瘤坏死因子-α（TNF-α），铱，脂联素和高敏感性C-反应蛋白（HS-CRP）的血清浓度干涉。结果运动干预均降低了IL-6和HS-CRP（P <0.05），脂肪蛋白（P <0.01）水平增加;与ET + P和P组相比，ET + GTE组中这些变量的变化更大（P <0.01）。 IRISIN浓度仅在ET + GTE组中增加，并且与ET + P和P组不同（P <0.01）。任何组中的TNF-alpha浓度都没有变化。运动干预（ET + GTE和ET + P）减少体重，体重指数（BMI），体脂百分比（BFP）和内脏脂肪区域（VFA）（P <0.05），这些变量发生了更大的变化ET + GTE组与ET + P和P组进行比较（P <0.01）。结论GTE补充剂和ET的组合产生有益的抗炎和代谢效应，大于单独产生的抗炎和代谢效应。

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