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饮食中的黄醇在高和低身材的年轻健康男性中,在坐着时保持上肢和下肢内皮功能
Alessio Daniele1, Samuel J E Lucas1,2, Catarina Rendeiro1,2
1School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK.
The Journal of physiology
|October 29, 2025
概括
在长时间坐着之前摄入的食类黄醇可以防止年轻男性血管功能下降. 这种营养策略可能有助于抵消久坐不动行为对心血管健康的负面影响.
科学领域:
- 心血管生理学心血管生理学
- 营养科学 营养科学
- 运动医学 运动医学
背景情况:
- 久坐不动的行为,以长时间的坐着为特征,是普遍存在的,并且与心血管疾病风险增加有关.
- 坐着会损害内皮功能,影响血管健康.
- 久坐期间的营养干预可以减轻这些不良的血管效应.
研究的目的:
- 为了研究饮食中在坐前摄入的黄醇是否能在年轻成年人中保持内皮功能.
- 为了比较高与低心肺健康水平的个体的影响.
- 评估对上肢和下肢血管功能的影响.
主要方法:
- 急性随机,双盲,交叉,安慰剂对照研究.
- 40名健康的年轻男性 (20名高健身者,20名低健身者) 在进行长达2小时的坐姿之前,摄入了高醇或低醇可可.
- 评估了表面大腿动脉 (SFA) 和臂动脉 (BA) 流媒体扩张 (FMD),血压和微血管血液动力学.
主要成果:
- 坐着显著降低了SFA和BA的口和口病,并增加了透静血压.
- 高醇干预预防了两个动脉的口和口病下降,而不会影响血压.
- 心血管健康水平并不能防止坐着诱导的血管功能下降.
结论:
- 饮食中的黄醇可能有效地抵消坐着诱导的内皮功能障碍.
- 这种营养策略在长时间的久坐期间有望改善血管健康.
- 无论一个人的心肺呼吸能力水平如何,flavanol干预措施可能是有益的.
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