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Folate intake and food sources in Japanese female dietitians

  • Original Article
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Environmental Health and Preventive Medicine Aims and scope

Abstract

Objective

To assess intake of folate/folic acid and food sources in Japanese female dietitians.

Subjects and Methods

We evaluated folate consumption based on four season 7 consecutive day weighed diet records (WDRs) provided by 80 Japanese female dietitians and compared the results with data from a national survey. We then selected informative foods for folate intake on the basis of 2,240 WDRs according to contribution and multiple regression analyses.

Results

Daily folate consumption (mean±SD) among Japanese dietitians was 413±158 μg from raw foods and 343±128 μg from cooked foods. Average residual rate after cooking was 84±8%. Folate intake in summer was lower than that in other seasons by analysis of variance. According to contribution and multiple regression analyses, the major contributors were vegetables, fruit and green tea.

Conclusions

Daily folate intake among Japanese female dietitians was far greater than the 200 μg recommended daily allowance for the Japanese. Irrespective of selection methods and raw/cooked foods, major folate sources were found to be green tea along with vegetables and fruit.

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Authors and Affiliations

  1. Nagoya City School of Nutrition, Mizuho-ku, Nagoya

    Nahomi Imaeda

  2. Nagoya-Bunri College, Nagoya

    Chiho Goto & Yuko Tokudome

  3. University of Occupational and Environmental Health, Yahatanishi-ku, Kitakyushu

    Masato Ikeda

  4. Aichi Prefectural Dietetic Association, Nagoya

    Shinzo Maki

  5. Department of Health Promotion and Disease Prevention, Nagoya City University Graduate School of Medical Sciences, Mizuho-ku, 467-8601, Nagoya, Japan

    Shinkan Tokudome

Authors
  1. Nahomi Imaeda
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  2. Chiho Goto
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  3. Yuko Tokudome
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  4. Masato Ikeda
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  5. Shinzo Maki
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  6. Shinkan Tokudome
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Corresponding author

Correspondence to Shinkan Tokudome.

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Imaeda, N., Goto, C., Tokudome, Y. et al. Folate intake and food sources in Japanese female dietitians. Environ Health Prev Med 7, 156–161 (2002). https://doi.org/10.1007/BF02897944

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  • DOI: https://doi.org/10.1007/BF02897944

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