Dietary vitamin A intakes of chinese children with adequate liver stores as assessed by the retinol isotope dilution technique

Jing Zeng, Yanming Li, Yan Ren, Weiwei Gu, Zhaolin Li, Mei Yang & Bing Xiang
Abstract Background We attempted to estimate dietary vitamin A requirements based on dietary vitamin A intake in well-nourished Chinese children with adequate liver vitamin A reserves. Methods A cross-sectional study was conducted in a kindergarten and an elementary school in Shiyan city, Hubei province of China from December 2009 to July 2010. After screening, 60 children (22 aged 4 ~ 6 y and 38 aged 7 ~ 9 y) were randomly subjected to a 3-d...
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