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Roberts J, Zinchenko A, Mahbubani K, Johnstone J, Smith L, Merzbach V, Blacutt M, Banderas O, Villasenor L, Vårvik FT, Henselmans M. Correction: Roberts et al. "Satiating Effect of High Protein Diets on Resistance-Trained Individuals in Energy Deficit" Nutrients 2019, 11(1), 56. Nutrients 2019; 11:nu11071543. [PMID: 31288454 PMCID: PMC6683250 DOI: 10.3390/nu11071543] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 07/03/2019] [Indexed: 11/16/2022] Open
Abstract
The authors wish to make a correction to the published version of their paper [...].
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Affiliation(s)
- Justin Roberts
- Cambridge Centre for Sport and Exercise Sciences, School of Psychology and Sport Science, Anglia Ruskin University, East Road, Cambridge CB1 1PT, UK.
| | - Anastasia Zinchenko
- Kings College, Kings Parade, University of Cambridge, Cambridge CB2 1ST, UK
- International Scientific Research Foundation for Fitness and Nutrition, 1073 LC Amsterdam, The Netherlands
| | | | - James Johnstone
- Cambridge Centre for Sport and Exercise Sciences, School of Psychology and Sport Science, Anglia Ruskin University, East Road, Cambridge CB1 1PT, UK
| | - Lee Smith
- Cambridge Centre for Sport and Exercise Sciences, School of Psychology and Sport Science, Anglia Ruskin University, East Road, Cambridge CB1 1PT, UK
| | - Viviane Merzbach
- Cambridge Centre for Sport and Exercise Sciences, School of Psychology and Sport Science, Anglia Ruskin University, East Road, Cambridge CB1 1PT, UK
| | - Miguel Blacutt
- International Scientific Research Foundation for Fitness and Nutrition, 1073 LC Amsterdam, The Netherlands
| | - Oscar Banderas
- International Scientific Research Foundation for Fitness and Nutrition, 1073 LC Amsterdam, The Netherlands
| | - Luis Villasenor
- International Scientific Research Foundation for Fitness and Nutrition, 1073 LC Amsterdam, The Netherlands
| | - Fredrik T Vårvik
- International Scientific Research Foundation for Fitness and Nutrition, 1073 LC Amsterdam, The Netherlands
| | - Menno Henselmans
- International Scientific Research Foundation for Fitness and Nutrition, 1073 LC Amsterdam, The Netherlands
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Roberts J, Zinchenko A, Mahbubani K, Johnstone J, Smith L, Merzbach V, Blacutt M, Banderas O, Villasenor L, Vårvik FT, Henselmans M. Satiating Effect of High Protein Diets on Resistance-Trained Subjects in Energy Deficit. Nutrients 2018; 11:nu11010056. [PMID: 30597865 PMCID: PMC6356668 DOI: 10.3390/nu11010056] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 12/14/2018] [Accepted: 12/26/2018] [Indexed: 11/16/2022] Open
Abstract
Short-term energy deficit strategies are practiced by weight class and physique athletes, often involving high protein intakes to maximize satiety and maintain lean mass despite a paucity of research. This study compared the satiating effect of two protein diets on resistance-trained individuals during short-term energy deficit. Following ethical approval, 16 participants (age: 28 ± 2 years; height: 1.72 ± 0.03 m; body-mass: 88.83 ± 5.54 kg; body-fat: 21.85 ± 1.82%) were randomly assigned to 7-days moderate (PROMOD: 1.8 g·kg-1·d-1) or high protein (PROHIGH: 2.9 g·kg-1·d-1) matched calorie-deficit diets in a cross-over design. Daily satiety responses were recorded throughout interventions. Pre-post diet, plasma ghrelin and peptide tyrosine tyrosine (PYY), and satiety ratings were assessed in response to a protein-rich meal. Only perceived satisfaction was significantly greater following PROHIGH (67.29 ± 4.28 v 58.96 ± 4.51 mm, p = 0.04). Perceived cravings increased following PROMOD only (46.25 ± 4.96 to 57.60 ± 4.41 mm, p = 0.01). Absolute ghrelin concentration significantly reduced post-meal following PROMOD (972.8 ± 130.4 to 613.6 ± 114.3 pg·mL-1; p = 0.003), remaining lower than PROHIGH at 2 h (-0.40 ± 0.06 v -0.26 ± 0.06 pg·mL-1 normalized relative change; p = 0.015). Absolute PYY concentration increased to a similar extent post-meal (PROMOD: 84.9 ± 8.9 to 147.1 ± 11.9 pg·mL-1, PROHIGH: 100.6 ± 9.5 to 143.3 ± 12.0 pg·mL-1; p < 0.001), but expressed as relative change difference was significantly greater for PROMOD at 2 h (+0.39 ± 0.20 pg·mL-1 v -0.28 ± 0.12 pg·mL-1; p = 0.001). Perceived hunger, fullness and satisfaction post-meal were comparable between diets (p > 0.05). However, desire to eat remained significantly blunted for PROMOD (p = 0.048). PROHIGH does not confer additional satiating benefits in resistance-trained individuals during short-term energy deficit. Ghrelin and PYY responses to a test-meal support the contention that satiety was maintained following PROMOD, although athletes experiencing negative symptoms (i.e., cravings) may benefit from protein-rich meals as opposed to over-consumption of protein.
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Affiliation(s)
- Justin Roberts
- School of Psychology and Sport Science, Cambridge Centre for Sport and Exercise Sciences, Anglia Ruskin University, East Road, Cambridge CB1 1PT, UK.
| | - Anastasia Zinchenko
- Department of Biochemistry, Kings College, University of Cambridge, Kings Parade, Cambridge CB2 1ST, UK.
- International Scientific Research Foundation for Fitness and Nutrition, 1073 LC Amsterdam, The Netherlands.
| | | | - James Johnstone
- School of Psychology and Sport Science, Cambridge Centre for Sport and Exercise Sciences, Anglia Ruskin University, East Road, Cambridge CB1 1PT, UK.
| | - Lee Smith
- School of Psychology and Sport Science, Cambridge Centre for Sport and Exercise Sciences, Anglia Ruskin University, East Road, Cambridge CB1 1PT, UK.
| | - Viviane Merzbach
- School of Psychology and Sport Science, Cambridge Centre for Sport and Exercise Sciences, Anglia Ruskin University, East Road, Cambridge CB1 1PT, UK.
| | - Miguel Blacutt
- International Scientific Research Foundation for Fitness and Nutrition, 1073 LC Amsterdam, The Netherlands.
| | - Oscar Banderas
- International Scientific Research Foundation for Fitness and Nutrition, 1073 LC Amsterdam, The Netherlands.
| | - Luis Villasenor
- International Scientific Research Foundation for Fitness and Nutrition, 1073 LC Amsterdam, The Netherlands.
| | - Fredrik T Vårvik
- International Scientific Research Foundation for Fitness and Nutrition, 1073 LC Amsterdam, The Netherlands.
| | - Menno Henselmans
- International Scientific Research Foundation for Fitness and Nutrition, 1073 LC Amsterdam, The Netherlands.
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