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Dietary Protein Requirement Threshold and Micronutrients Profile in Healthy Older Women Based on Relative Skeletal Muscle Mass
Nutrients, Volume: 13, Issue: 9, Start page: 3076
Swansea University Author: Alun Williams
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DOI (Published version): 10.3390/nu13093076
Abstract
Although multiple nutrients have shown protective effects with regard to preserving muscle function, the recommended amount of dietary protein and other nutrients profile on older adults for maintenance of high muscle mass is still debatable. The aims of this paper were to: (1) identify dietary diff...
Published in: | Nutrients |
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ISSN: | 2072-6643 |
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2021
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2021-11-09T12:32:06.5286910 v2 58315 2021-10-13 Dietary Protein Requirement Threshold and Micronutrients Profile in Healthy Older Women Based on Relative Skeletal Muscle Mass 050a482b2c9699d25870b9c591541998 Alun Williams Alun Williams true false 2021-10-13 FGSEN Although multiple nutrients have shown protective effects with regard to preserving muscle function, the recommended amount of dietary protein and other nutrients profile on older adults for maintenance of high muscle mass is still debatable. The aims of this paper were to: (1) identify dietary differences between older women with low and high relative skeletal muscle mass, and (2) identify the minimal dietary protein intake associated with high relative skeletal muscle mass and test the threshold ability to determine an association with skeletal muscle phenotypes. Older women ( = 281; 70 ± 7 years, 65 ± 14 kg), with both low and high relative skeletal muscle mass groups, completed a food questionnaire. Skeletal muscle mass, fat-free mass (FFM), biceps brachii thickness, anatomical cross-sectional area (VL ), handgrip strength (HGS), maximum elbow flexion torque (MVC ), maximum knee extension torque (MVC ), muscle quality (HGS/Body mass), and fat mass were measured. Older women with low relative skeletal muscle mass had a lower daily intake of protein, iodine, polyunsaturated fatty acid (PUFA), Vit E, manganese, milk, fish, nuts and seeds ( < 0.05) compared to women with high relative skeletal muscle mass. The minimum required dietary protein intake for high relative skeletal muscle mass was 1.17 g/kg body mass/day (g/kg/d) (sensitivity: 0.68; specificity: 0.62). Women consuming ≥1.17 g/kg/d had a lower BMI (B = -3.9, < 0.001) and fat mass (B = -7.8, < 0.001), and a higher muscle quality (B = 0.06, < 0.001). The data indicate that to maintain muscle mass and function, older women should consume ≥1.17 g/kg/d dietary protein, through a varied diet including milk, fish and nuts that also contain polyunsaturated fatty acid (PUFA) and micronutrients such as iodine, Vit E and manganese. Journal Article Nutrients 13 9 3076 MDPI AG 2072-6643 pre-sarcopenia, musculoskeletal health, protein 1 9 2021 2021-09-01 10.3390/nu13093076 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University MOVE-AGE Grant: Erasmus Mundus Joint Doctorate programme (2011-0015) 2021-11-09T12:32:06.5286910 2021-10-13T10:51:31.2179338 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Praval Khanal 1 Lingxiao He 2 Hans Degens 3 Georgina K. Stebbings 4 Gladys L. Onambele-Pearson 5 Alun Williams 6 Martine Thomis 7 Christopher I. Morse 8 58315__21166__d56229e288094645b1257fcefd10dae8.pdf 58315.pdf 2021-10-13T10:53:18.0727080 Output 1006380 application/pdf Version of Record true © 2021 by the authors. This is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license true eng https://creativecommons.org/licenses/by/4.0/ |
title |
Dietary Protein Requirement Threshold and Micronutrients Profile in Healthy Older Women Based on Relative Skeletal Muscle Mass |
spellingShingle |
Dietary Protein Requirement Threshold and Micronutrients Profile in Healthy Older Women Based on Relative Skeletal Muscle Mass Alun Williams |
title_short |
Dietary Protein Requirement Threshold and Micronutrients Profile in Healthy Older Women Based on Relative Skeletal Muscle Mass |
title_full |
Dietary Protein Requirement Threshold and Micronutrients Profile in Healthy Older Women Based on Relative Skeletal Muscle Mass |
title_fullStr |
Dietary Protein Requirement Threshold and Micronutrients Profile in Healthy Older Women Based on Relative Skeletal Muscle Mass |
title_full_unstemmed |
Dietary Protein Requirement Threshold and Micronutrients Profile in Healthy Older Women Based on Relative Skeletal Muscle Mass |
title_sort |
Dietary Protein Requirement Threshold and Micronutrients Profile in Healthy Older Women Based on Relative Skeletal Muscle Mass |
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050a482b2c9699d25870b9c591541998 |
author_id_fullname_str_mv |
050a482b2c9699d25870b9c591541998_***_Alun Williams |
author |
Alun Williams |
author2 |
Praval Khanal Lingxiao He Hans Degens Georgina K. Stebbings Gladys L. Onambele-Pearson Alun Williams Martine Thomis Christopher I. Morse |
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Nutrients |
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MDPI AG |
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Although multiple nutrients have shown protective effects with regard to preserving muscle function, the recommended amount of dietary protein and other nutrients profile on older adults for maintenance of high muscle mass is still debatable. The aims of this paper were to: (1) identify dietary differences between older women with low and high relative skeletal muscle mass, and (2) identify the minimal dietary protein intake associated with high relative skeletal muscle mass and test the threshold ability to determine an association with skeletal muscle phenotypes. Older women ( = 281; 70 ± 7 years, 65 ± 14 kg), with both low and high relative skeletal muscle mass groups, completed a food questionnaire. Skeletal muscle mass, fat-free mass (FFM), biceps brachii thickness, anatomical cross-sectional area (VL ), handgrip strength (HGS), maximum elbow flexion torque (MVC ), maximum knee extension torque (MVC ), muscle quality (HGS/Body mass), and fat mass were measured. Older women with low relative skeletal muscle mass had a lower daily intake of protein, iodine, polyunsaturated fatty acid (PUFA), Vit E, manganese, milk, fish, nuts and seeds ( < 0.05) compared to women with high relative skeletal muscle mass. The minimum required dietary protein intake for high relative skeletal muscle mass was 1.17 g/kg body mass/day (g/kg/d) (sensitivity: 0.68; specificity: 0.62). Women consuming ≥1.17 g/kg/d had a lower BMI (B = -3.9, < 0.001) and fat mass (B = -7.8, < 0.001), and a higher muscle quality (B = 0.06, < 0.001). The data indicate that to maintain muscle mass and function, older women should consume ≥1.17 g/kg/d dietary protein, through a varied diet including milk, fish and nuts that also contain polyunsaturated fatty acid (PUFA) and micronutrients such as iodine, Vit E and manganese. |
published_date |
2021-09-01T04:14:45Z |
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11.021648 |