富含葡萄糖酸盐的西兰花芽可以防止氧化应激,并改善适应强烈运动训练的适应能力
M Flockhart1, L C Nilsson1, E N Tillqvist1
1Department of Physiology, Nutrition and Biomechanics, Åstrand Laboratory, The Swedish School of Sport and Health Sciences, Stockholm, Sweden.
Redox biology
|September 9, 2023
概括
摄入富含葡萄糖酸盐的西兰花芽 (GRS) 与强烈的运动训练一起,降低了氧化应激标志物,提高了体力表现. 这种组合还减轻了运动引起的低血糖症,与安慰剂不同.
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
- 氧化应激研究研究 氧化应激研究
背景情况:
- 身体训练通过氧化应激诱导适应性反应.
- 过度的氧化应激会导致细胞损伤,需要保护机制.
- 来自十字花蔬菜的葡萄糖酸盐产生具有抗氧化特性的异硫酸酸盐.
研究的目的:
- 为了研究富含葡萄糖酸盐 (GRS) 的芽与强度运动对氧化应激和体力表现的影响.
- 评估GRS对细胞损伤标志物和运动期间代谢反应的影响.
主要方法:
- 一项随机,双盲,交叉研究,涉及9名健康受试者.
- 每天强烈运动训练7天,有或没有GRS补充剂.
- 测量碳化蛋白质,骨髓氧化酶,乳酸和血糖水平.
主要成果:
- 运动的GRS显著降低了骨肌肉碳基化蛋白和血液髓氧化酶.
- 在GRS组显示在亚最大运动期间乳酸积累较低.
- 在安慰剂期间观察到的严重夜间低血糖症被GRS减弱.
- 随着GRS和运动,身体表现有所改善,但与安慰剂并非如此.
结论:
- 将富含葡萄糖酸盐的西兰花芽与强烈的运动训练相结合,可以显著地保护运动引起的氧化应激.
- 补充GRS可以提高体力表现,并在艰苦的体力活动中改善代谢调节.
- 这种营养策略有望缓解与运动相关的细胞损伤和代谢障碍.
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