V2EX rdi

RDI

Definition / 定义

RDI 常见作缩写,最常指 Recommended Dietary Intake(推荐每日摄入量):营养学/公共卫生中用于表示某种营养素建议每天摄入的数量,用来指导饮食搭配与营养标示。(在不同领域里 RDI 也可能有其他含义。)

Pronunciation / 发音

/r di a/

Examples / 例句

The label shows the RDI for vitamin C.
标签上标明了维生素 C 的推荐每日摄入量(RDI)。

Meeting the RDI for iron can be difficult for some people, so a doctor may suggest dietary changes.
对一些人来说达到铁的 RDI 可能不容易,因此医生可能会建议调整饮食结构。

Etymology / 词源

RDI 来自英语短语 Recommended Dietary Intake 的首字母缩略词(acronym/initialism),用于在营养指南、食品标签和健康科普中简洁表示“建议摄入量”。

Related Words / 相关词

Literary Works / 文学与著作例证

  • Australian Dietary Guidelines(澳大利亚膳食指南;公共健康指导文件中常见 RDI 表述)
  • Nutrient Reference Values for Australia and New Zealand(澳新营养素参考值;含 RDI/相关摄入建议术语)
  • 各国食品营养标签规范与营养学教材(如食品标签标准、营养学入门读物中常用 RDI 表示推荐摄入量)
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