血多的可复制性和食相关物在JPHC-NEXT协议区域研究中的JPHC-NEXT协议区域
Nagisa Mori1,2,3, Neil Murphy4, Norie Sawada5
1Nutrition and Metabolism Branch, International Agency for Research on Cancer (IARC/WHO), Lyon, France. nagmori@nibiohn.go.jp.
茶和咖啡中的血多水平显示出良好的1年复制性,特别是茶衍生化合物. 饮食摄入量,特别是绿茶的摄入量,与这些多测量结果相关.
科学领域:
- 营养流行病学 营养流行病学
- 生物标志物的验证
背景情况:
- 流行病学研究表明,多可以预防慢性疾病.
- 随着时间的推移,血多测量的可复制性在很大程度上是未知的.
研究的目的:
- 评估35种血多的1年复制性.
- 检查血多和食物组摄入量之间的相关性.
主要方法:
- 在227名参与者中测量了35种血多,每隔1年两次.
- 使用类内相关系数 (ICC) 评估可重现性.
- 相关联的多含量与食物摄入量从权重食品记录和FFQs.
主要成果:
- 观察到茶 (酸,奎尔丁,表甲基素,凯姆菲罗尔) 和咖啡 (咖啡酸,酸) 聚的良好复制性 (中等到高的ICC).
- 在非酒精饮料摄入量和特定的多醇 (epigallocatechin,epicatechin,catechin,酸) 之间发现了中等相关性.
- 在绿茶摄入量和这些茶叶多之间观察到更高的相关性.
结论:
- 大多数茶和咖啡多的血度在一年内表现出良好的可重复性.
- 饮食中摄入的非酒精饮料,特别是绿茶,与测量的血茶多相对应度中高.
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