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Dietary Vitamin A Requirement in Chinese Children and the New Technology of Dietary Assessment

Vitamin A Deficiency Clinical Trial

Official title:
Estimating Dietary Vitamin A Requirement in Chinese Children by Stable-isotope Dilution Technique

Clinical Trial Summary

Vitamin A deficiency remains a major public health problem in developing country worldwide. Young Children are considered to be at greatest risk of deficiency. However, there is little information on the vitamin A requirement of Chinese children. In the present study, about 400 children aged between 4 and 9 years old in a kindergarten and an elementary school of Shiyan City were screened before admission by questionnaire and anthropometric measurement. The vitamin A status of children was assessed by serum vitamin A level, relative dosage reaction and stable-isotope dilution technique. At the same time, their dietary vitamin A intakes were estimated by weighted-food dietary survey. The dietary vitamin A requirement in young children was determined on the basis of dietary vitamin A intakes in Children with adequate vitamin A level.

Clinical Trial Description

n/a

Study Design

Time Perspective: Cross-Sectional

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01559766
Study type Observational
Source Huazhong University of Science and Technology
Contact
Status Completed
Phase N/A
Start date July 2009
Completion date September 2010
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