Estimation of Dietary Amino Acid Intake in Community-dwelling Middle-aged and Elderly Individuals Using a Newly Constructed Amino Acid Food Composition Table

DOI Web Site 5 Citations 11 References
  • Kato Yuki
    Section of NILS-LSA, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology
  • Otsuka Rei
    Section of NILS-LSA, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology
  • Imai Tomoko
    Section of NILS-LSA, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology Faculty of Human Life and Science, Doshisha Women's College of Liberal Arts
  • Ando Fujiko
    Section of NILS-LSA, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology Faculty of Health and Medical Sciences, Aichi Shukutoku University
  • Shimokata Hiroshi
    Section of NILS-LSA, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology Graduate School of Nutritional Sciences, Nagoya University of Art and Science

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Other Title
  • 地域在住中高年者のアミノ酸摂取量
  • 地域在住中高年者のアミノ酸摂取量 : 食品アミノ酸成分表の新規構築による推定
  • チイキ ザイジュウ チュウコウネンシャ ノ アミノサン セッシュリョウ : ショクヒン アミノサン セイブンヒョウ ノ シンキ コウチク ニ ヨル スイテイ
  • ─食品アミノ酸成分表の新規構築による推定─

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Abstract

Objective: The dietary amino acid intake in community-dwelling Japanese individuals has not been studied thus far. The purpose of this study was to estimate the amino acid intake using a newly constructed amino acid composition table.<br>Methods: The amino acid composition of foods which were included in the Standard Tables of Food Composition in Japan (2010) but not included in the Amino Acid Composition of Foods (2010) were substituted by similar food or different parts of the same food on the basis of the 337 foods listed in the Amino Acid Composition of Foods (2010). Using this newly constructed amino acid composition table and 3-day dietary record data for a randomly selected community-dwelling population of 1,065 men and 1,050 women aged 40~89 years, the intake of 18 amino acids was estimated according to sex and age group (40~49, 50~59, 60~69, 70~79, and 80~89 years).<br>Results: We constructed the NILS (National Institute for Longevity Sciences) Amino Acid Composition Table of Food (2010), which contained the amino acid compositions of 1,745 food items. This table allowed for the determination of 94.5% of protein intake using the amino acid intake data. We found that amino acid intake in the 60~69-year-old group follows an inverse U-shaped curve. In women, only proline intake appeared to decrease significantly with age.<br>Conclusions: We constructed the NILS Amino Acid Composition Table of Food (2010), which allowed for the determination of 94.5% of protein intake using the amino acid intake data. This table enabled the estimation of amino acid intake in Japanese middle-aged and elderly individuals according to sex and age group.

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