氨基酸补充对耐力运动后铁调节的影响
Chao-An Lin1, Nanako Hayashi2, Claire E Badenhorst3
1Graduate School of Sport and Health Science, Ritsumeikan University, Shiga 525-8577, Japan.
Nutrients
|December 9, 2023
概括
运动前的氨基酸 (AA) 补充剂增加了健康男性的运动诱导的白血素-6 (IL-6) 和糖醇水平. 然而,AA补充剂没有影响运动后的铁状况或调节.
科学领域:
- 运动生理学 运动生理学
- 营养生物化学 营养生物化学
- 运动科学 运动科学 运动科学
背景情况:
- 铁的调节对运动员至关重要,影响表现和健康.
- 氨基酸 (AA) 补充正在探索其潜在的人体效应和恢复益处.
- 了解AA摄入量与运动诱导的生理反应之间的相互作用是很重要的.
研究的目的:
- 为了研究五天氨基酸 (AA) 补充剂对运动后铁调节的影响.
- 检查AA补充剂对耐力运动后炎症和能量代谢的关键生物标志物的影响.
主要方法:
- 一项随机,双盲,交叉研究,涉及十名健康男性.
- 参与者接受了为期五天的补充期,使用AA混合物或安慰剂 (PLA).
- 运动包括在70%的最大氧气消耗 (V ̇O2max) 时进行60分钟的跑步机跑步,并在运动前后收集血液样本.
主要成果:
- 血中介质素-6 (IL-6) 水平在运动后立即显著增加,并且在AA试验中与安慰剂相比更高.
- 血清糖醇水平显示,随着AA补充,运动诱导的增加显著更大.
- 在AA和安慰剂试验之间没有发现血清肝素,铁,费里丁或体水平的显著差异.
结论:
- 在健康男性中,五天的AA补充增加了运动诱导的IL-6和糖醇反应.
- 补充AA并没有改变运动后的铁状况或铁代谢的调节.
- 需要进一步的研究来澄清AA补充对运动生理学的长期影响和机制.
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