铜和的饮食摄入量与骨矿物质密度相关
Julie A Pasco1,2,3, Kara B Anderson1, Lana J Williams1
1IMPACT-Institute for Mental and Physical Health and Clinical Translation, Barwon Health, Deakin University, Geelong, VIC 3220, Australia.
Nutrients
|August 29, 2024
概括
低饮食摄入铜和与女性的骨矿物质密度 (BMD) 较低有关. 确保足够摄入这些必需的微量元素可以支持最佳的骨健康.
科学领域:
- 人类健康与营养
- 骨的新陈代谢 骨的新陈代谢
- 微量元素研究 微量元素研究
背景情况:
- 铜和是重要的微量元素,具有不同的生理作用.
- 高水平的铜和可能是有毒的,但它们是酶和蛋白质的重要组成部分.
- 人类饮食中的铜摄入量与骨矿物质密度 (BMD) 之间的关系尚不清楚.
研究的目的:
- 调查饮食中的铜和摄入量与女性的BMD之间的关联.
- 为了确定这些微量元素的摄入量较低是否与骨密度降低相关.
主要方法:
- 用522名女性 (20-88岁) 的食物频率调查问卷来评估饮食中铜和的摄入量.
- 骨矿物质密度 (BMD) 用双能X射线吸收计在多个骨部位进行测量.
- 多变量回归模型被用来分析微量元素摄入量和骨质量之间的关联,并根据混因素进行调整.
主要成果:
- 铜的平均每日摄入量为1.5毫克,的平均每日摄入量为72微克.
- 低铜和摄入量始终与多个骨部位的BMD降低有关.
- 在摄入量较低的女性中,观察到骨质量有统计学意义的减少 (1.8%4.0%铜,1.4%4.0%).
结论:
- 低摄入铜和的饮食摄入量独立地与女性较低的BMD有关.
- 这些发现表明,足够的铜和摄入量对于保持骨健康很重要.
- 结果支持需要饮食建议,考虑这些微量元素在骨健康中的作用.
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