| Dietary tin intake and association with canned food consumption in Japanese preschool children. | |
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MedLine Citation:
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PMID: 23108579 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVES: Dietary intake of tin has seldom been studied in children although they probably have a high intake. This study was initiated to investigate dietary tin intake (Sn-D) of children in Japan. METHODS: In this study, 24-h food duplicate samples were collected from 296 preschool children in Miyagi prefecture, Japan. Sn in the samples were analyzed by inductively coupled-plasma mass spectrometry, after homogenization and wet digestion. RESULTS: Sn-D by the children was low, with 4.2 μg/day as a median. The distribution was however wide, from 0.4 μg/day up to >3 μg/day. Canned foods were the major dietary Sn source, whereas rice contributed essentially little. Sn-D among canned food consumers was 30.2 μg/day as a geometric mean (10.6 μg/day as a median), whereas Sn-D among the non-consumers of canned foods was distributed log-normally, with 3.3 μg/day as a geometric mean (2.5 μg/day as a median). Sn levels in urine did not differ between children who consumed canned foods on the day previous to urine collection and those who did not. The Sn-D was far below the provisional tolerable weekly intake (14 mg/kg body weight/week) set by the 2001 Joint FAO/WHO Expert Committee. Nevertheless, children took more Sn than adults when compared on a body-weight basis. CONCLUSIONS: Canned foods were the major source of dietary Sn intake for preschool children studied. Thus, median Sn-D was higher for the canned food consumers (10.6 μg/day) than for non-consumers of canned foods (2.5 μg/day). Sn-D by canned food-consuming children was, however, substantially lower than the provisional tolerable weekly intake. No difference was detected in Sn levels in urine between canned food-consuming and non-consuming children. |
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Authors:
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Shinichiro Shimbo; Takao Watanabe; Haruo Nakatsuka; Kozue Yaginuma-Sakurai; Masayuki Ikeda |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-10-30 |
Journal Detail:
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Title: Environmental health and preventive medicine Volume: - ISSN: 1347-4715 ISO Abbreviation: Environ Health Prev Med Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9609642 Medline TA: Environ Health Prev Med Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Kyoto Women's University, Kyoto, 605-8501, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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