饮食模式和胡卜素摄入量:MIND,地中海,DASH和健康饮食指数的比较
Tori A Holthaus1, Shelby A Keye2, Shreya Verma2
1Division of Nutritional Sciences, University of Illinois, Louise Freer Hall, Urbana, IL 61801, USA.
Nutrition research (New York, N.Y.)
|April 14, 2024
概括
MIND饮食模式比其他饮食更强调富含胡卜素的食物,可能有助于认知健康. 这种饮食方法与较高的黄蛋白,黄素和β-胡卜素摄入量有关.
科学领域:
- 营养科学 营养科学
- 神经科学是一个神经科学.
- 饮食研究 饮食研究
背景情况:
- MIND饮食 (神经退行性延迟的地中海-DASH干预) 与减少认知衰退有关.
- 区分MIND饮食与其他饮食模式的关键营养特征仍然不清楚.
- 胡卜素是一种植物营养素,被假设提供神经保护.
研究的目的:
- 研究坚持MIND饮食模式与胡卜素摄入量之间的关系.
- 为了比较MIND饮食与胡卜素摄入的关联,与地中海饮食,DASH饮食和健康饮食指数2020 (HEI-2020) 相比.
- 测试假设,MIND饮食坚持是胡卜素摄入量的更强的预测因素,而不是其他饮食指数.
主要方法:
- 一项涉及396名成年人 (19-82岁) 的横截面研究.
- 饮食史问卷用于评估胡卜素摄入量和遵守MIND,地中海,DASH和HEI-2020模式.
- 循序渐进的回归分析与共变量调整,其次是Meng的Z测试来比较相关性强度.
主要成果:
- 所有评估的饮食模式都显示出与黄蛋白,紫素,β-胡卜素,α-胡卜素和β-卜素摄入量的积极关联.
- 与地中海,DASH和HEI-2020相比,MIND饮食的坚持显著预测了黄蛋白,黄素和β-胡卜素的变异比例更大.
- 坚持MIND饮食也解释了阿尔法-胡卜素和β-加密丁的变异性比HEI-2020更大.
结论:
- MIND饮食模式与较高的胡卜素摄入量不成比例,特别是黄蛋白,黄素和β-胡卜素.
- 这表明MIND指数优先考虑富含胡卜素的食物,而不是其他评估的饮食模式.
- 需要进一步的研究来阐明这些胡卜素在认知健康的营养干预中所扮演的特定角色.
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