2011 Fiscal Year Final Research Report
A Study on the Calculation of the Recommended Daily Water Intake for Each Age Class
| Project/Area Number |
21500667
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Applied health science
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| Research Institution | Kyoto Women's University |
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Principal Investigator |
SHINYA Hiromi 京都女子大学, 発達教育学部, 教授 (70201564)
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| Co-Investigator(Kenkyū-buntansha) |
YOSHIDA Tetsuya 京都工芸繊維大学, 工芸科学研究科, 准教授 (00191601)
YORIMOTO Akira 滋賀県立大学, 国際教育センター, 教授 (30132278)
NAKAI Seiichi 京都女子大学, 家政学部, 教授 (90090092)
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| Project Period (FY) |
2009 – 2011
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| Keywords | 熱中症 / 環境温度 / 脱水 / 乳幼児 / 高齢者 / 身体活動量 |
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| Research Abstract |
In order to calculate the recommended daily water intake for each age class, in this study, amounts of daily water intake and loss(ΣS) through perspiration and insensible evaporative loss were calculated by measuring the body weight in summer and winter, involving babies, infants, school-age children, and the elderly, to compare with values of young adults. As a result, dailyΣS values increased with an elevation in environmental temperatures and activities. While the elderly exhibited values similar to those of adults, school-age children, babies, and infants showed 1. 1, 1. 9, and 2. 0 times higher values, respectively, than those of young adults. Based on these magnifications, it may be possible to calculate the recommended daily water intake for each age class.
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