Dietary nutrient reference intake (dris) is not only an index to measure nutrient suitability, but also a tool to help individuals and people make dietary plans.

Section 1 Overview

I. Reference Intake of Dietary Nutrients Abroad

(a) Development of reference intake of dietary nutrients in the United States

The National Research Institute (nrc) released the first recommended dietary allowance (rdas) on 1943. Under the leadership of the Nutrition Committee, rdas was revised several times until 10 was published in 1989. Rdas has become an authoritative guiding document in the field of nutrient supply for Americans in different periods, which has had an important impact on the formulation of rdas in many countries.

(b) Development of reference intake of dietary nutrients in European countries

1. Average demand (ear), indicating the average demand of a population;

2. Nutritional reference intake (rni), which means that intake above this level is almost certainly appropriate.

3. Low nutrient reference intake.

(c) Development of reference intake of dietary nutrients in Asian countries

2. China's "Recommended Daily Dietary Allowance" and "Dietary Nutrient Reference Intake"

(1) Formulation of "Recommended Daily Dietary Intake (rdas)" in China.

65438-0937, Hou Xiangchuan was mainly responsible for the formulation of minimum nutritional elements for people in China. Ji Zheng published "On the Minimum Nutritional Needs of China People" in 194 1. 1952 The "nutrient requirement scale (standard of daily dietary nutrient supply)" in the food composition table compiled and published by the Nutrition Department of Central Health Research Institute includes calcium, iron and five vitamins (vitamin A, vitamin b 1 and vitamin b2).