Ingestion of an ample amount of meat substitute based on a lysine-enriched, plant-based protein blend stimulates postprandial muscle protein synthesis to a similar extent as an isonitrogenous amount of chicken in healthy, young men
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Abstract Plant-based proteins are considered to be less effective in their capacity to stimulate muscle protein synthesis when compared with animal-based protein sources, likely due to differences in amino acid contents. We compared the postprandial muscle protein synthetic response following the ingestion of a lysine-enriched plant-based protein product with an isonitrogenous amount of chicken. Twenty-four men (age 24 ± 5 years; BMI 22·9 ± 2·6 kg·m−2) participated in this parallel, double-blind, randomised controlled trial and consumed 40 g of protein as a lysine-enriched wheat and chickpea protein product (Plant, n 12) or chicken breast fillet (Chicken, n 12). Primed, continuous intravenous l-(ring-13C6)-phenylalanine infusions were applied while repeated blood and muscle samples were collected over a 5-h postprandial period to assess plasma amino acid responses, muscle protein synthesis rates and muscle anabolic signalling responses. Postprandial plasma leucine and essential amino acid concentrations were higher following Chicken (P < 0·001), while plasma lysine concentrations were higher throughout in Plant (P < 0·001). Total plasma amino acid concentrations did not differ between interventions (P = 0·181). Ingestion of both Plant and Chicken increased muscle protein synthesis rates from post-absorptive: 0·031 ± 0·011 and 0·031 ± 0·013 to postprandial: 0·046 ± 0·010 and 0·055 ± 0·015 % h−1, respectively (P-time < 0·001), with no differences between Plant and Chicken (time x treatment P = 0·068). Ingestion of 40 g of protein in the form of a lysine-enriched plant-based protein product increases muscle protein synthesis rates to a similar extent as an isonitrogenous amount of chicken in healthy, young men. Plant-based protein products sold as meat replacers may be as effective as animal-based protein sources to stimulate postprandial muscle protein synthesis rates in healthy, young individuals.
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A plant/animal protein blend or exclusively plant protein blend can stimulate an equivalent MPS response to an animal-based comparison.
“A handful of studies have supported the blending theory by demonstrating that a plant/animal protein blend [89,90,92,93] or exclusively plant protein blend [88,94,95] can stimulate an equivalent MPS response to an animal-based comparison.”
From Nutritional Considerations for the Vegan Athlete (2023) · cites this paper as [94]
A lysine-enriched plant-based protein blend demonstrated parity with a chicken comparison with respect to its ability to increase MPS in humans.
“A single study has investigated a lysine-enriched plant-based protein blend and demonstrated parity with a chicken comparison with respect to its ability to increase MPS in humans [94].”
From Nutritional Considerations for the Vegan Athlete (2023) · cites this paper as [94]
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- Authors
- Kouw, I. W. K., Pinckaers, P. J. M., Le Bourgot, C., van Kranenburg, J. M. X., Zorenc, A. H., de Groot, L. C. P. G. M., Verdijk, L., Snijders, T., & van Loon, L. J. C.
- Affiliations
- Maastricht University Medical Centre (NL)
- Venue
- British Journal Of Nutrition
- Publisher
- Cambridge University Press (CUP)
- Published
- 2021-12-09
- Volume
- 128
- Issue
- 10
- Pages
- 1955-1965
- ISSN
- 0007-1145 (ISSN-L)
- 1475-2662
- OpenAlex
- W4200138244
- Cited by
- 42
- References
- 1
- Citations by year
- 2026: 6 · 2025: 10 · 2024: 10 · 2023: 11 · 2022: 5
- FWCI
- 3.40
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Locations
- British Journal Of Nutrition (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Research Publications (Maastricht University) (publishedVersion, cc-by)
- Socio-Environmental Systems Modeling (submittedVersion, cc-by)
- VUBIR (Vrije Universiteit Brussel) (submittedVersion)
- Research Publications (Maastricht University) (submittedVersion, cc-by)
- Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Muscle metabolism and nutrition
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
- Life Sciences › Agricultural and Biological Sciences › Food Science › Proteins in Food Systems
- Keywords
- plant proteins, muscle protein synthesis, postprandial response, chicken breast, wheat proteins, chickpea protein, meat substitutes, amino acid metabolism, leucine, plasma amino acids, protein quality
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