美国成年人中微量营养素摄入量的时间变化,NHANES 2003年至2018年:一个横截面研究
Marjorie R Freedman1, Victor L Fulgoni2, Harris R Lieberman3
1Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA, United States; Oak Ridge Institute for Science and Education, Belcamp, MD, United States.
The American journal of clinical nutrition
|February 19, 2024
概括
美国成年人持续消耗不足关键微量营养素,如维生素A,C,D,E,K,和,尽管使用食补充剂,但在15年内几乎没有改善.
科学领域:
- 营养科学 营养科学
- 公共卫生 公共卫生
- 饮食评估 饮食评估
背景情况:
- 美国的食品供应和选择影响营养素摄入量.
- 评估微量营养素摄入量的时间变化至关重要.
研究的目的:
- 检查食品,饮料和食补充剂中微量营养素贡献的15年趋势.
- 将营养摄入分布与饮食参考摄入量进行比较.
主要方法:
- 使用了NHANES 2003-2018数据 (N=39,925) 对21种微量营养素.
- 分析了来自食品/饮料和补充剂的通常平均摄入量.
- 根据性别进行时间趋势分析,比较%低于EAR或高于AI.
主要成果:
- 维生素A,C,D,E,K,,,,和胆的持续不足消费.
- 观察到过度消耗.
- 胺, рибофлавин,维生素B-12,维生素C,铜和摄入量有所改善,特别是在补充剂时,但维生素D和E的摄入量有所减少.
结论:
- 尽管取得了一些进展,但整体营养摄入量和会议建议在15年内变化最小.
- 需要持续专注于改善营养摄入量.
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