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Open AccessArticle

Estimation of Dietary Amino Acid Intake and Independent Correlates of Skeletal Muscle Mass Index among Korean Adults

1
Department of Food and Nutrition, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Korea
2
Health & Nutrition R&D Group, Maeil Dairies Co., Ltd, Pyeongtaek, Gyeonggi 17714, Korea
*
Author to whom correspondence should be addressed.
Nutrients 2020, 12(4), 1043; https://doi.org/10.3390/nu12041043
Received: 20 March 2020 / Revised: 6 April 2020 / Accepted: 8 April 2020 / Published: 10 April 2020
(This article belongs to the Section Nutritional Epidemiology)
The aim of this study was to develop a database to identify dietary amino acid intake levels, and to determine whether any amino acid groups were independently correlated with skeletal muscle mass index (SMI). We used data from the Korea National Health and Nutrition Examination Survey 2008–2011, and a total of 3292 participants aged 50–64 years were included in the analysis. Dietary data were obtained using the 24 h recall method. Data regarding dietary amino acid intake was assessed using the computer-aided nutritional analysis program 4.0 published by the Korean Nutrition Society. Multivariate linear regression analysis was used to identify independent correlates of SMI. The major food group that contributed the highest essential amino acid intake was grain and grain products (histidine 25.5%, isoleucine 43.9%, leucine 44.2%, methionine 31.0%, phenylalanine 44.8%, tryptophan 26.4%, and valine 50.8%). Higher SMI was independently associated with sex (men), lower age and body mass index, higher levels of physical activity, and a higher intake of energy and branched-chain amino acids. These results are expected to be used as a basis for developing dietary amino acid intake guidelines for Koreans. View Full-Text
Keywords: amino acid; dietary intake; skeletal muscle mass amino acid; dietary intake; skeletal muscle mass
MDPI and ACS Style

Chae, M.; Park, H.; Park, K. Estimation of Dietary Amino Acid Intake and Independent Correlates of Skeletal Muscle Mass Index among Korean Adults. Nutrients 2020, 12, 1043. https://doi.org/10.3390/nu12041043

AMA Style

Chae M, Park H, Park K. Estimation of Dietary Amino Acid Intake and Independent Correlates of Skeletal Muscle Mass Index among Korean Adults. Nutrients. 2020; 12(4):1043. https://doi.org/10.3390/nu12041043

Chicago/Turabian Style

Chae, Minjeong; Park, Hyoungsu; Park, Kyong. 2020. "Estimation of Dietary Amino Acid Intake and Independent Correlates of Skeletal Muscle Mass Index among Korean Adults" Nutrients 12, no. 4: 1043. https://doi.org/10.3390/nu12041043

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