| Twenty-four-hour urinary water-soluble vitamin levels correlate with their intakes in free-living Japanese schoolchildren. | |
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MedLine Citation:
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PMID: 20576202 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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OBJECTIVE: To examine the association between 24 h urinary water-soluble vitamin levels and their intakes in free-living Japanese schoolchildren. DESIGN: All foods consumed for four consecutive days were recorded accurately by a weighed food record. A single 24 h urine sample was collected on the fourth day, and the urinary levels of water-soluble vitamins were measured. SETTING: An elementary school in Inazawa City, Japan. SUBJECTS: A total of 114 healthy, free-living, Japanese elementary-school children aged 10-12 years. RESULTS: The urinary level of each water-soluble vitamin was correlated positively to its mean intake in the past 2-4 d (vitamin B1: r = 0·42, P < 0·001; vitamin B2: r = 0·43, P < 0·001; vitamin B6: r = 0·49, P < 0·001; niacin: r = 0·32, P < 0·001; niacin equivalents: r = 0·32, P < 0·001; pantothenic acid: r = 0·32, P < 0·001; folic acid: r = 0·27, P < 0·01; vitamin C: r = 0·39, P < 0.001), except for vitamin B12 (r = 0·10, P = NS). Estimated mean intakes of water-soluble vitamins calculated using urinary levels and recovery rates were 97-102 % of their 3 d mean intake, except for vitamin B12 (79 %). CONCLUSIONS: The results show that urinary levels of water-soluble vitamins, except for vitamin B12, reflected their recent intakes in free-living Japanese schoolchildren and could be used as a potential biomarker to estimate mean vitamin intake. |
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Authors:
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Tomiko Tsuji; Tsutomu Fukuwatari; Satoshi Sasaki; Katsumi Shibata |
Publication Detail:
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Type: Journal Article Date: 2010-06-25 |
Journal Detail:
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Title: Public health nutrition Volume: 14 ISSN: 1475-2727 ISO Abbreviation: Public Health Nutr Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-01-28 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9808463 Medline TA: Public Health Nutr Country: England |
Other Details:
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Languages: eng Pagination: 327-33 Citation Subset: IM |
Affiliation:
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1Department of Food Science and Nutrition, School of Human Cultures, The University of Shiga Prefecture, 2500 Hassaka, Hikone, Shiga 522-8533, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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