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作为对抗女性跑步者的铁缺乏症的方法,低酸豆补充剂:一个随机对照试验
Keely A Shaw1, Philip D Chilibeck1, Donna L Lindsay2,3
1College of Kinesiology, University of Saskatchewan, Saskatoon, SK, Canada.
Nutrition and health
|June 9, 2023
概括
与普通豆或对照组相比,低植物酸豆没有显著改善女性跑步者的铁状况. 可能需要进一步研究更高的剂量或更长的持续时间来看出对缺铁的益处.
科学领域:
- 运动营养 运动营养
- 人类营养人类营养
- 运动生理学 运动生理学
背景情况:
- 缺铁 (ID) 是一个全球性的健康问题,特别影响女性运动员由于月经和炼.
- 基于植物的铁来源,如田间豆,由于植物酸的存在,其生物利用性有限.
- 植物酸与铁结合,形成植物酸盐,这阻碍了消化过程中的吸收.
研究的目的:
- 为了评估低植物酸田间豆对血费里丁,运动表现和女性跑步者的身体组成的影响.
- 评估一种改性豆品种是否可以提高缺乏铁的运动员的铁状况.
主要方法:
- 28名女性跑步者被随机分配到三个组:普通豆,低植物酸豆或马尔托德克斯特林对照组.
- 补充包括维生素C,持续8周,测量前后.
- 关键指标包括血费里水平,VO2max和身体组成.
主要成果:
- 血费里丁在普通豆 (14.4%) 和低酸豆 (5.1%) 两组都增加,而在对照组 (-2.2%) 则下降.
- 血费里丁的这些变化在两组之间没有统计学意义.
- 两组之间没有观察到运动表现或身体组成的显著差异.
结论:
- 目前的 pea 补充剂剂量和持续时间可能不足以显著改善女性跑步者的铁状况.
- 可能需要更大的剂量或更长的补充时间来观察对铁含量的有意义影响.
- 需要进一步的研究,以优化低酸豆用于运动铁管理.
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