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Nishimura, Y, Højfeldt, G, Breen, L, Tetens, I and Holm, L (2021) Dietary protein requirements and recommendations for healthy older adults: a critical narrative review of the scientific evidence. Nutrition research reviews. pp. 1-17. ISSN 0954-4224
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Abstract
Adequate protein intake is essential for the maintenance of whole-body protein mass. Different methodological approaches are used to substantiate the evidence for the current protein recommendations, and it is continuously debated whether older adults require more protein to counteract the age-dependent loss of muscle mass, sarcopenia. Thus, the purpose of this critical narrative review is to outline and discuss differences in the approaches and methodologies assessing the protein requirements and, hence, resulting in controversies in current protein recommendations for healthy older adults. Through a literature search, this narrative review first summarises the historical development of the Food and Agriculture Organization/World Health Organization/United Nations University setting of protein requirements and recommendations for healthy older adults. Hereafter, we describe the various types of studies (epidemiological studies and protein turnover kinetic measurements) and applied methodological approaches founding the basis and the different recommendations with focus on healthy older adults. Finally, we discuss important factors to be considered in future studies to obtain evidence for international agreement on protein requirements and recommendations for healthy older adults. We conclude by proposing future directions to determine 'true' protein requirements and recommendations for healthy older adults.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Ageing; Amino acid; Energy balance; Metabolic adaptation; Net protein balance; Protein breakdown; Protein intake; Protein synthesis; Protein turnover; Sarcopenia; Nutrition & Dietetics; 06 Biological Sciences; 07 Agricultural and Veterinary Sciences; 11 Medical and Health Sciences |
| Subjects: | T Technology > TX Home economics > TX341 Nutrition. Foods and food supply R Medicine > RC Internal medicine > RC1200 Sports Medicine |
| Divisions: | Sport & Exercise Sciences |
| Publisher: | Cambridge University Press (CUP) |
| Related URLs: | |
| SWORD Depositor: | A Symplectic |
| Date Deposited: | 17 Oct 2022 11:56 |
| Last Modified: | 17 Oct 2022 12:00 |
| DOI or ID number: | 10.1017/s0954422421000329 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/17857 |
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