摄入必需氨基酸补充剂对中等强度有氧运动后的执行功能有积极影响
Kento Dora1,2, Hayato Tsukamoto1,3, Tadashi Suga1
1Faculty of Sport and Health Science, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan.
Scientific reports
|December 19, 2023
概括
基本氨基酸 (EAA) 补充剂与有氧运动相结合,在健康的年轻男性中增强了执行功能 (EF). 然而,EAA并没有显著影响记忆识别或来自大脑的神经营养因子 (BDNF) 水平.
科学领域:
- 运动生理学 运动生理学
- 神经科学是一个神经科学.
- 营养生物化学 营养生物化学
背景情况:
- 众所周知,有氧运动可显著改善执行功能 (EF) 和记忆识别 (MR) 等认知功能,并增加循环的大脑衍生神经营养因子 (BDNF).
- 已经证明,摄入分支链氨基酸 (BCAA) 可以改善反应时间并增加大脑BDNF.
研究的目的:
- 为了研究必需氨基酸 (EAA) 补充对认知功能和循环BDNF在中等强度有氧运动后的影响.
- 确定EAA主要由BCAA组成,是否可以进一步增强有氧运动的认知和神经营养效应.
主要方法:
- 22名健康的年轻男子参加了一项随机对照试验.
- 参与者在30分钟的骑自行车运动前30分钟服用EAA补充剂或安慰剂 (PL) 在氧气吸收峰值的60%时.
- 在运动后评估认知功能 (EF,MR) 和循环BDNF水平.
主要成果:
- 与安慰剂组相比,EAA组的执行功能 (EF) 在有氧运动后显著改善 (P=0.02).
- 在EAA和安慰剂组之间没有观察到记忆识别 (MR) 或循环BDNF水平的显著差异.
- EF的改善与特定氨基酸水平的增加正相关,包括氨酸,异氨酸,氨酸,氨酸,氨酸和氨酸.
结论:
- 摄入EAA补充剂对健康年轻男性中等强度有氧运动后的执行功能产生积极影响.
- 在本研究的背景下,EAA补充剂没有改变记忆识别或循环BDNF水平.
- 这些发现表明EAA可以作为神经递质合成的基质,有助于在运动后恢复期间增强EF.
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