Protein Requirements of Elderly Chinese Adults Are Higher than Current Recommendations

The Journal of Nutrition
Deqian MaoMin Li

Abstract

Due to a lack of research data on the protein requirements of the elderly in China, the estimated average requirement (EAR) and the recommended nutrient intake (RNI) of protein in the elderly remain the same as those in young and middle-aged people at 0.98 g/(kg·d). The objective of this study was to determine the protein requirements of healthy Chinese adults >65y old through use of the indicator amino acid oxidation (IAAO) method. Seven healthy adult men and 7 healthy adult women participated in the study, with protein intakes ranging from 0.3 to 1.8 g/(kg·d). The diets were isocaloric and provided energy at a 1.5 resting energy expenditure. Protein was given based on the lactalbumin. Phenylalanine and tyrosine were added to protein doses of 0.3-1.5 g/kg according to the highest dose of protein content [1.8 g/(kg·d)]. Phenylalanine and tyrosine concentrations were kept constant at each protein dose. The mean protein requirement was determined by applying a nonlinear mixed-effects model analysis to the F13CO2, which identified a breakpoint in F13CO2 in response to graded amounts of protein. This trial was registered with the Chinese clinical trial registry as ChiCTR-BOC-17010930. Protein EAR and RNI for healthy elderly Chinese...Continue Reading

References

Apr 6, 2000·Journal of Applied Physiology·W R FronteraR Roubenoff
Mar 9, 2006·The American Journal of Clinical Nutrition·Justine M TurnerPaul B Pencharz
Nov 10, 2006·The American Journal of Clinical Nutrition·Mohammad A HumayunPaul B Pencharz
Oct 9, 2007·The American Journal of Clinical Nutrition·Mohammad A HumayunPaul B Pencharz
Sep 30, 2008·Clinical Nutrition : Official Journal of the European Society of Parenteral and Enteral Nutrition·Robert R WolfeKevin B Miller
Dec 6, 2008·Current Opinion in Clinical Nutrition and Metabolic Care·Douglas Paddon-Jones, Blake B Rasmussen
Feb 19, 2010·The American Journal of Clinical Nutrition·Karen P ChapmanPaul B Pencharz
Nov 4, 2011·The American Journal of Clinical Nutrition·Rajavel ElangoPaul B Pencharz
Sep 3, 2013·Journal of Sleep Research·Michael A GrandnerKristen L Knutson
Jan 17, 2014·The American Journal of Clinical Nutrition·Minghua TangWayne W Campbell
Sep 20, 2015·Journal of the American Medical Directors Association·Langli GaoBirong Dong
Jun 25, 2016·Nutrients·Jamie I BaumRobert R Wolfe

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Citations

Jun 5, 2020·Nutrients·Hélio J Coelho-JuniorEmanuele Marzetti
Nov 18, 2020·Menopause : the Journal of the North American Menopause Society·Thaís R SilvaPoli Mara Spritzer
Oct 15, 2020·The Proceedings of the Nutrition Society·E A NunesS M Phillips

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