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Antonio J, Evans C, Ferrando AA, Stout JR, Antonio B, Cinteo H, Harty P, Arent SM, Candow DG, Forbes SC, Kerksick CM, Pereira F, Gonzalez D, Kreider RB. Common questions and misconceptions about protein supplementation: what does the scientific evidence really show? J Int Soc Sports Nutr 2024; 21:2341903. [PMID: 38626029 PMCID: PMC11022925 DOI: 10.1080/15502783.2024.2341903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 04/07/2024] [Indexed: 04/18/2024] Open
Abstract
Protein supplementation often refers to increasing the intake of this particular macronutrient through dietary supplements in the form of powders, ready-to-drink shakes, and bars. The primary purpose of protein supplementation is to augment dietary protein intake, aiding individuals in meeting their protein requirements, especially when it may be challenging to do so through regular food (i.e. chicken, beef, fish, pork, etc.) sources alone. A large body of evidence shows that protein has an important role in exercising and sedentary individuals. A PubMed search of "protein and exercise performance" reveals thousands of publications. Despite the considerable volume of evidence, it is somewhat surprising that several persistent questions and misconceptions about protein exist. The following are addressed: 1) Is protein harmful to your kidneys? 2) Does consuming "excess" protein increase fat mass? 3) Can dietary protein have a harmful effect on bone health? 4) Can vegans and vegetarians consume enough protein to support training adaptations? 5) Is cheese or peanut butter a good protein source? 6) Does consuming meat (i.e., animal protein) cause unfavorable health outcomes? 7) Do you need protein if you are not physically active? 8) Do you need to consume protein ≤ 1 hour following resistance training sessions to create an anabolic environment in skeletal muscle? 9) Do endurance athletes need additional protein? 10) Does one need protein supplements to meet the daily requirements of exercise-trained individuals? 11) Is there a limit to how much protein one can consume in a single meal? To address these questions, we have conducted a thorough scientific assessment of the literature concerning protein supplementation.
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Affiliation(s)
- Jose Antonio
- Nova Southeastern University, Department of Health and Human Performance, Davie, FL, USA
| | - Cassandra Evans
- Nova Southeastern University, Department of Health and Human Performance, Davie, FL, USA
| | - Arny A. Ferrando
- University of Arkansas for Medical Sciences, Department of Geriatrics, Little Rock, AR, USA
| | - Jeffrey R. Stout
- University of Central Florida, School of Kinesiology and Rehabilitation Science, Orlando, FL, USA
| | - Brandi Antonio
- University of Central Florida, School of Kinesiology and Rehabilitation Science, Orlando, FL, USA
| | - Harry Cinteo
- Lindenwood University, Exercise and Performance Nutrition Laboratory, St. Charles, MO, USA
| | - Patrick Harty
- Lindenwood University, Exercise and Performance Nutrition Laboratory, St. Charles, MO, USA
| | - Shawn M. Arent
- University of South Carolina, Department of Exercise Science, Arnold School of Public Health, Columbia, SC, USA
| | - Darren G. Candow
- University of Regina, Faculty of Kinesiology and Health Studies, Regina, Canada
| | - Scott C. Forbes
- Brandon University, Department of Physical Education, Faculty of Education, Brandon, MB, Canada
| | - Chad M. Kerksick
- Lindenwood University, Exercise and Performance Nutrition Laboratory, St. Charles, MO, USA
| | - Flavia Pereira
- Keiser University, Exercise and Sport Science, West Palm Beach Flagship Campus, West Palm Beach, FL, USA
| | - Drew Gonzalez
- Texas A&M University, Exercise & Sport Nutrition Lab, Human Clinical Research Facility, Department of Health & Kinesiology, College Station, TX, USA
| | - Richard B. Kreider
- Texas A&M University, Exercise & Sport Nutrition Lab, Human Clinical Research Facility, Department of Health & Kinesiology, College Station, TX, USA
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Partanen M, Luhio P, Gómez-Gallego C, Kolehmainen M. The role of fiber in modulating plant protein-induced metabolic responses. Crit Rev Food Sci Nutr 2024:1-16. [PMID: 39154210 DOI: 10.1080/10408398.2024.2392149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/19/2024]
Abstract
The rising consumption of plant protein foods and the emergence of meat alternatives have prompted interest in the health benefits of such products, which contain fiber in addition to protein. This review investigates the effect of fiber on plant-based protein metabolism and evaluates its contribution to gut-derived health impacts. Plant proteins, which often come with added fiber, can have varying health outcomes. Factors such as processing and the presence of fiber and starch influence the digestibility of plant proteins, potentially leading to increased proteolytic fermentation in the gut and the production of harmful metabolites. However, fermentable fiber can counteract this effect by serving as a primary substrate for gut microbes, decreasing proteolytic activity. The increased amount of fiber, rather than the protein source itself, plays a significant role in the observed health benefits of plant-based diets in human studies. Differences between extrinsic and intrinsic fiber in the food matrix further impact protein fermentation and digestibility. Thus, in novel protein products without naturally occurring fiber, the health impact may differ from conventional plant protein sources. The influence of various fibers on plant-based protein metabolism throughout the gastrointestinal tract is not fully understood, necessitating further research.
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Affiliation(s)
- Moona Partanen
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Petri Luhio
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Carlos Gómez-Gallego
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Marjukka Kolehmainen
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
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Zhao S, Xu Y, Li J, Ning Z. The Effect of Plant-Based Protein Ingestion on Athletic Ability in Healthy People-A Bayesian Meta-Analysis with Systematic Review of Randomized Controlled Trials. Nutrients 2024; 16:2748. [PMID: 39203884 DOI: 10.3390/nu16162748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2024] [Revised: 08/14/2024] [Accepted: 08/15/2024] [Indexed: 09/03/2024] Open
Abstract
Plant-based protein supplements are increasingly popular, yet their efficacy in enhancing athletic performance compared to animal protein, insect protein, or other protein types remains under investigation. This study aimed to assess the effectiveness of plant-based protein on athletic abilities such as muscle strength, endurance performance, and muscle protein synthesis (MPS) rate and compare it to no- or low-protein ingestion and non-plant protein sources. Randomized controlled trials (RCTs) evaluating the beneficial and harmful effects of plant-based protein ingestion on athletic ability in healthy individuals were considered. A systematic search of six databases yielded 2152 studies, which were screened using the Covidence systematic review tool. Thirty-one studies were included for meta-analysis after independent selection, data extraction, and risk of bias assessment by two reviewers. The meta-analysis employed a Bayesian approach using the Markov chain Monte Carlo (MCMC) method through a random-effects model. The results demonstrated that plant-based protein supplements provided greater benefits for athletic performance in healthy individuals compared to the no- or low-protein ingestion group [μ(SMD): 0.281, 95% CI: 0.159 to 0.412; heterogeneity τ: 0.18, 95% CI: 0.017 to 0.362]. However, when compared to other types of protein, plant-based protein ingestion was less effective in enhancing athletic ability [μ(SMD): -0.119, 95% CI: -0.209 to -0.028; heterogeneity τ: 0.076, 95% CI: 0.003 to 0.192]. A subgroup analysis indicated significant improvements in muscle strength and endurance performance in both young and older individuals consuming plant-based protein compared to those with no- or low-protein ingestion. Nonetheless, other protein types showed greater benefits in muscle strength compared to plant-based protein [μ(SMD): -0.133, 95% CI: -0.235 to -0.034; heterogeneity τ: 0.086, 95% CI: 0.004 to 0.214]. In conclusion, while plant-based protein ingestion demonstrates superior efficacy compared to low- or no-protein ingestion, it is not as effective as other protein types such as whey, beef, or milk protein in enhancing athletic performance in healthy individuals. Registration: Registered at the International Prospective Register of Systematic Reviews (PROSPERO) (identification code CRD42024555804).
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Affiliation(s)
- Shiao Zhao
- Faculty of Health Sciences and Sports, Macao Polytechnic University, R. de Luís Gonzaga Gomes, Macao 999078, China
| | - Yipin Xu
- Faculty of Health Sciences and Sports, Macao Polytechnic University, R. de Luís Gonzaga Gomes, Macao 999078, China
| | - Jiarui Li
- Faculty of Health Sciences and Sports, Macao Polytechnic University, R. de Luís Gonzaga Gomes, Macao 999078, China
| | - Ziheng Ning
- Faculty of Health Sciences and Sports, Macao Polytechnic University, R. de Luís Gonzaga Gomes, Macao 999078, China
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VAN DER Heijden I, Monteyne AJ, West S, Morton JP, Langan-Evans C, Hearris MA, Abdelrahman DR, Murton AJ, Stephens FB, Wall BT. Plant Protein Blend Ingestion Stimulates Postexercise Myofibrillar Protein Synthesis Rates Equivalently to Whey in Resistance-Trained Adults. Med Sci Sports Exerc 2024; 56:1467-1479. [PMID: 38537270 DOI: 10.1249/mss.0000000000003432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2024]
Abstract
PURPOSE Whey protein ingestion is typically considered an optimal dietary strategy to maximize myofibrillar protein synthesis (MyoPS) after resistance exercise. Although single-source plant protein ingestion is typically less effective, at least partly, due to less favorable amino acid profiles, this could theoretically be overcome by blending plant-based proteins with complementary amino acid profiles. We compared the postexercise MyoPS response after the ingestion of a novel plant-derived protein blend with an isonitrogenous bolus of whey protein. METHODS Ten healthy, resistance-trained, young adults (male/female: 8/2; age: 26 ± 6 yr; BMI: 24 ± 3 kg·m -2 ) received a primed continuous infusion of L-[ ring - 2 H 5 ]-phenylalanine and completed a bout of bilateral leg resistance exercise before ingesting 32 g protein from whey (WHEY) or a plant protein blend (BLEND; 39.5% pea, 39.5% brown rice, 21.0% canola) in a randomized, double-blind crossover fashion. Blood and muscle samples were collected at rest, and 2 and 4 h after exercise and protein ingestion, to assess plasma amino acid concentrations, and postabsorptive and postexercise MyoPS rates. RESULTS Plasma essential amino acid availability over the 4 h postprandial postexercise period was ~44% higher in WHEY compared with BLEND ( P = 0.04). From equivalent postabsorptive values (WHEY, 0.042 ± 0.020%·h -1 ; BLEND, 0.043 ± 0.015%·h -1 ) MyoPS rates increased after exercise and protein ingestion (time effect; P < 0.001) over a 0- to 2-h period (WHEY, 0.085 ± 0.037%·h -1 ; BLEND, 0.080 ± 0.037%·h -1 ) and 2- to 4-h period (WHEY, 0.085 ± 0.036%·h -1 ; BLEND, 0.086 ± 0.034%·h -1 ), with no differences between conditions during either period or throughout the entire (0-4 h) postprandial period (time-condition interactions; all P > 0.05). CONCLUSIONS Ingestion of a novel plant-based protein blend stimulates postexercise MyoPS to an equivalent extent as whey protein, demonstrating the utility of plant protein blends to optimize postexercise skeletal muscle reconditioning.
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Affiliation(s)
- Ino VAN DER Heijden
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, University of Exeter, UNITED KINGDOM
| | - Alistair J Monteyne
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, University of Exeter, UNITED KINGDOM
| | - Sam West
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, University of Exeter, UNITED KINGDOM
| | - James P Morton
- Research Institute for Sport & Exercise Sciences, Liverpool John Moores University, Liverpool, UNITED KINGDOM
| | - Carl Langan-Evans
- Research Institute for Sport & Exercise Sciences, Liverpool John Moores University, Liverpool, UNITED KINGDOM
| | - Mark A Hearris
- Department of Sport and Exercise Sciences, Institute of Sport, Manchester Metropolitan University, UNITED KINGDOM
| | | | | | - Francis B Stephens
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, University of Exeter, UNITED KINGDOM
| | - Benjamin T Wall
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, University of Exeter, UNITED KINGDOM
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Givens DI. Animal board invited review: Dietary transition from animal to plant-derived foods: Are there risks to health? Animal 2024; 18:101263. [PMID: 39121724 DOI: 10.1016/j.animal.2024.101263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 07/09/2024] [Accepted: 07/12/2024] [Indexed: 08/12/2024] Open
Abstract
Animal-derived foods (ADFs) are a very varied group of foods, but many are nutrient rich and contain higher quality protein than provided by plant-derived foods such that a simple replacement of ADF protein is likely to lead to a reduction in overall protein quality. In addition, many ADFs are richer in some nutrients than plant-based foods (e.g. Fe, Ca) and these often have a higher bioavailability. ADFs also provide nutrients that plants cannot supply (e.g. vitamin B12) and some provide beneficial health functionality (e.g. hypotensive) which is not explained by traditional nutrition. However, there remains a good health reason to increase the proportion of plant-derived food in many diets to increase the intake of dietary fibre which is often consumed at very sub-optimal levels. It seems logical that the increased plant-derived foods should replace the ADFs that have the least benefit, the greatest risk to health and the highest environmental impact. Processed meat fits these characteristics and should be an initial target for replacement with plant-based based protein-rich foods that additionally provide the necessary nutrients and have high-quality dietary fibre. Processed meat covers a wide range of products including several traditional foods (e.g. sausages) which will make decisions on food replacement challenging. There is therefore an urgent need for research to better define the relative health risks associated with the range of processed meat-based foods. The aim of this review is to examine the evidence on the benefits and risks of this dietary transition including the absolute necessity to consider initial nutrient status before the replacement of ADFs is considered.
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Affiliation(s)
- D I Givens
- Institute for Food, Nutrition and Health, University of Reading, Earley Gate, Reading RG6 6EU, United Kingdom.
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Aussieker T, Janssen TAH, Hermans WJH, Holwerda AM, Senden JM, van Kranenburg JMX, Goessens JPB, Snijders T, van Loon LJC. Coingestion of Collagen With Whey Protein Prevents Postexercise Decline in Plasma Glycine Availability in Recreationally Active Men. Int J Sport Nutr Exerc Metab 2024; 34:189-198. [PMID: 38604602 DOI: 10.1123/ijsnem.2023-0264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 02/23/2024] [Accepted: 02/25/2024] [Indexed: 04/13/2024]
Abstract
Whey protein ingestion during recovery from exercise increases myofibrillar but not muscle connective protein synthesis rates. It has been speculated that whey protein does not provide sufficient glycine to maximize postexercise muscle connective protein synthesis rates. In the present study, we assessed the impact of coingesting different amounts of collagen with whey protein as a nutritional strategy to increase plasma glycine availability during recovery from exercise. In a randomized, double-blind, crossover design, 14 recreationally active men (age: 26 ± 5 years; body mass index: 23.8 ± 2.1 kg·m-2) ingested in total 30 g protein, provided as whey protein with 0 g (WHEY), 5 g (WC05); 10 g (WC10), and 15 g (WC15) of collagen protein immediately after a single bout of resistance exercise. Blood samples were collected frequently over 6 hr of postexercise recovery to assess postprandial plasma amino acid kinetics and availability. Protein ingestion strongly increased plasma amino acid concentrations (p < .001) with no differences in plasma total amino acid availability between treatments (p > .05). The postprandial rise in plasma leucine and essential amino acid availability was greater in WHEY compared with the WC10 and WC15 treatments (p < .05). Plasma glycine and nonessential amino acid concentrations declined following whey protein ingestion but increased following collagen coingestion (p < .05). Postprandial plasma glycine availability averaged -8.9 ± 5.8, 9.2 ± 3.7, 23.1 ± 6.5, and 39.8 ± 11.0 mmol·360 min/L in WHEY, WC05, WC10, and WC15, respectively (incremental area under curve values, p < .05). Coingestion of a small amount of collagen (5 g) with whey protein (25 g) is sufficient to prevent the decline in plasma glycine availability during recovery from lower body resistance-type exercise in recreationally active men.
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Affiliation(s)
- Thorben Aussieker
- Department of Human Biology, School of Nutrition and Translational Research in Metabolism (NUTRIM), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Tom A H Janssen
- Department of Human Biology, School of Nutrition and Translational Research in Metabolism (NUTRIM), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Wesley J H Hermans
- Department of Human Biology, School of Nutrition and Translational Research in Metabolism (NUTRIM), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Andrew M Holwerda
- Department of Human Biology, School of Nutrition and Translational Research in Metabolism (NUTRIM), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Joan M Senden
- Department of Human Biology, School of Nutrition and Translational Research in Metabolism (NUTRIM), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Janneau M X van Kranenburg
- Department of Human Biology, School of Nutrition and Translational Research in Metabolism (NUTRIM), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Joy P B Goessens
- Department of Human Biology, School of Nutrition and Translational Research in Metabolism (NUTRIM), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Tim Snijders
- Department of Human Biology, School of Nutrition and Translational Research in Metabolism (NUTRIM), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Luc J C van Loon
- Department of Human Biology, School of Nutrition and Translational Research in Metabolism (NUTRIM), Faculty of Health, Medicine and Life Sciences, Maastricht University Medical Centre+, Maastricht, The Netherlands
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Boven L, Akkerman R, de Vos P. Sustainable diets with plant-based proteins require considerations for prevention of proteolytic fermentation. Crit Rev Food Sci Nutr 2024:1-11. [PMID: 38950600 DOI: 10.1080/10408398.2024.2352523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
The human diet requires a more plant-based approach due to the exhaustive effects animal-based foods have on the environment. However, plant-based proteins generally miss a few or have a lower variety in essential amino acids and are more difficult to digest. Subsequently they might be prone to fermentation by the microbiome in the proximal colon. Proteolytic fermentation can induce microbial-metabolites with beneficial and negative health effects. We review current insight into how balances in saccharolytic and proteolytic fermentation can be maintained when the diet consists predominantly of plant-based proteins. Some proteolytic fermentation metabolites may negatively impact balances in gut microbiota composition in the large intestine and influence immunity. However, proteolytic fermentation can potentially be prevented in the proximal colon toward more saccharolytic fermentation through the addition of non-digestible carbohydrates in the diet. Knowledge on this combination of plant-based proteins and non-digestible carbohydrates on colonic- and general health is limited. Current data suggest that transitioning toward a more plant-based protein diet should be accompanied with a consumption of increased quantities and more complex structures of carbohydrates or by application of technological strategies to enhances digestibility. This can reduce or prevent proteolytic fermentation which might consequently improve human health.
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Affiliation(s)
- Lidwien Boven
- Immunoendocrinology, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Renate Akkerman
- Immunoendocrinology, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Paul de Vos
- Immunoendocrinology, Department of Pathology and Medical Biology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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McKendry J, Lowisz CV, Nanthakumar A, MacDonald M, Lim C, Currier BS, Phillips SM. The effects of whey, pea, and collagen protein supplementation beyond the recommended dietary allowance on integrated myofibrillar protein synthetic rates in older males: a randomized controlled trial. Am J Clin Nutr 2024; 120:34-46. [PMID: 38762187 PMCID: PMC11291473 DOI: 10.1016/j.ajcnut.2024.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 05/09/2024] [Accepted: 05/13/2024] [Indexed: 05/20/2024] Open
Abstract
BACKGROUND Skeletal muscle mass is determined predominantly by feeding-induced and activity-induced fluctuations in muscle protein synthesis (MPS). Older individuals display a diminished MPS response to protein ingestion, referred to as age-related anabolic resistance, which contributes to the progression of age-related muscle loss known as sarcopenia. OBJECTIVES We aimed to determine the impact of consuming higher-quality compared with lower-quality protein supplements above the recommended dietary allowance (RDA) on integrated MPS rates. We hypothesized that increasing total protein intake above the RDA, regardless of the source, would support higher integrated rates of myofibrillar protein synthesis. METHODS Thirty-one healthy older males (72 ± 4 y) consumed a controlled diet with protein intake set at the RDA: control phase (days 1-7). In a double-blind, randomized controlled fashion, participants were assigned to consume an additional 50 g (2 × 25g) of whey (n = 10), pea (n = 11), or collagen (n = 10) protein each day (25 g at breakfast and lunch) during the supplemental phase (days 8-15). Deuterated water ingestion and muscle biopsies assessed integrated MPS and acute anabolic signaling. Postprandial blood samples were collected to determine feeding-induced aminoacidemia. RESULTS Integrated MPS was increased during supplemental with whey (1.59 ± 0.11 %/d; P < 0.001) and pea (1.59 ± 0.14 %/d; P < 0.001) when compared with RDA (1.46 ± 0.09 %/d for the whey group; 1.46 ± 0.10 %/d for the pea group); however, it remained unchanged with collagen. Supplemental protein was sufficient to overcome anabolic signaling deficits (mTORC1 and rpS6), corroborating the greater postprandial aminoacidemia. CONCLUSIONS Our findings demonstrate that supplemental protein provided at breakfast and lunch over the current RDA enhanced anabolic signaling and integrated MPS in older males; however, the source of additional protein may be an important consideration in overcoming age-related anabolic resistance. This trial was registered clinicaltrials.gov as NCT04026607.
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Affiliation(s)
- James McKendry
- Department of Kinesiology, Exercise Metabolism Research Group, McMaster University, Hamilton, Ontario, Canada
| | - Caroline V Lowisz
- Department of Kinesiology, Exercise Metabolism Research Group, McMaster University, Hamilton, Ontario, Canada
| | - Arraksana Nanthakumar
- Department of Kinesiology, Exercise Metabolism Research Group, McMaster University, Hamilton, Ontario, Canada
| | - Meaghan MacDonald
- Department of Kinesiology, Exercise Metabolism Research Group, McMaster University, Hamilton, Ontario, Canada; School of Human Kinetics, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada
| | - Changhyun Lim
- Department of Kinesiology, Exercise Metabolism Research Group, McMaster University, Hamilton, Ontario, Canada
| | - Brad S Currier
- Department of Kinesiology, Exercise Metabolism Research Group, McMaster University, Hamilton, Ontario, Canada
| | - Stuart M Phillips
- Department of Kinesiology, Exercise Metabolism Research Group, McMaster University, Hamilton, Ontario, Canada.
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9
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Pinckaers PJ, Domić J, Petrick HL, Holwerda AM, Trommelen J, Hendriks FK, Houben LH, Goessens JP, van Kranenburg JM, Senden JM, de Groot LC, Verdijk LB, Snijders T, van Loon LJ. Higher Muscle Protein Synthesis Rates Following Ingestion of an Omnivorous Meal Compared with an Isocaloric and Isonitrogenous Vegan Meal in Healthy, Older Adults. J Nutr 2024; 154:2120-2132. [PMID: 37972895 DOI: 10.1016/j.tjnut.2023.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 10/04/2023] [Accepted: 11/03/2023] [Indexed: 11/19/2023] Open
Abstract
BACKGROUND Plant-derived proteins are considered to have fewer anabolic properties when compared with animal-derived proteins. The anabolic properties of isolated proteins do not necessarily reflect the anabolic response to the ingestion of whole foods. The presence or absence of the various components that constitute the whole-food matrix can strongly impact protein digestion and amino acid absorption and, as such, modulate postprandial muscle protein synthesis rates. So far, no study has compared the anabolic response following ingestion of an omnivorous compared with a vegan meal. OBJECTIVES This study aimed to compare postprandial muscle protein synthesis rates following ingestion of a whole-food omnivorous meal providing 100 g lean ground beef with an isonitrogenous, isocaloric whole-food vegan meal in healthy, older adults. METHODS In a randomized, counter-balanced, cross-over design, 16 older (65-85 y) adults (8 males, 8 females) underwent 2 test days. On one day, participants consumed a whole-food omnivorous meal containing beef as the primary source of protein (0.45 g protein/kg body mass; MEAT). On the other day, participants consumed an isonitrogenous and isocaloric whole-food vegan meal (PLANT). Primed continuous L-[ring-13C6]-phenylalanine infusions were applied with blood and muscle biopsies being collected frequently for 6 h to assess postprandial plasma amino acid profiles and muscle protein synthesis rates. Data are presented as means ± standard deviations and were analyzed by 2 way-repeated measures analysis of variance and paired-samples t tests. RESULTS MEAT increased plasma essential amino acid concentrations more than PLANT over the 6-h postprandial period (incremental area under curve 87 ± 37 compared with 38 ± 54 mmol·6 h/L, respectively; P-interaction < 0.01). Ingestion of MEAT resulted in ∼47% higher postprandial muscle protein synthesis rates when compared with the ingestion of PLANT (0.052 ± 0.023 and 0.035 ± 0.021 %/h, respectively; paired-samples t test: P = 0.037). CONCLUSIONS Ingestion of a whole-food omnivorous meal containing beef results in greater postprandial muscle protein synthesis rates when compared with the ingestion of an isonitrogenous whole-food vegan meal in healthy, older adults. This study was registered at clinicaltrials.gov as NCT05151887.
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Affiliation(s)
- Philippe Jm Pinckaers
- NUTRIM School of Nutrition and Translational Research in Metabolism, Department of Human Biology, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Jacintha Domić
- Division of Human Nutrition & Health, Department of Agrotechnology and Food Sciences, Wageningen University, Wageningen, The Netherlands
| | - Heather L Petrick
- NUTRIM School of Nutrition and Translational Research in Metabolism, Department of Human Biology, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Andrew M Holwerda
- NUTRIM School of Nutrition and Translational Research in Metabolism, Department of Human Biology, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Jorn Trommelen
- NUTRIM School of Nutrition and Translational Research in Metabolism, Department of Human Biology, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Floris K Hendriks
- NUTRIM School of Nutrition and Translational Research in Metabolism, Department of Human Biology, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Lisanne Hp Houben
- NUTRIM School of Nutrition and Translational Research in Metabolism, Department of Human Biology, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Joy Pb Goessens
- NUTRIM School of Nutrition and Translational Research in Metabolism, Department of Human Biology, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Janneau Mx van Kranenburg
- NUTRIM School of Nutrition and Translational Research in Metabolism, Department of Human Biology, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Joan M Senden
- NUTRIM School of Nutrition and Translational Research in Metabolism, Department of Human Biology, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Lisette Cpgm de Groot
- Division of Human Nutrition & Health, Department of Agrotechnology and Food Sciences, Wageningen University, Wageningen, The Netherlands
| | - Lex B Verdijk
- NUTRIM School of Nutrition and Translational Research in Metabolism, Department of Human Biology, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Tim Snijders
- NUTRIM School of Nutrition and Translational Research in Metabolism, Department of Human Biology, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Luc Jc van Loon
- NUTRIM School of Nutrition and Translational Research in Metabolism, Department of Human Biology, Maastricht University Medical Centre+, Maastricht, The Netherlands.
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Goldman DM, Warbeck CB, Karlsen MC. Protein Requirements for Maximal Muscle Mass and Athletic Performance Are Achieved with Completely Plant-Based Diets Scaled to Meet Energy Needs: A Modeling Study in Professional American Football Players. Nutrients 2024; 16:1903. [PMID: 38931258 PMCID: PMC11206900 DOI: 10.3390/nu16121903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Revised: 06/07/2024] [Accepted: 06/15/2024] [Indexed: 06/28/2024] Open
Abstract
American football players consume large quantities of animal-sourced protein in adherence with traditional recommendations to maximize muscle development and athletic performance. This contrasts with dietary guidelines, which recommend reducing meat intake and increasing consumption of plant-based foods to promote health and reduce the risk of chronic disease. The capacity of completely plant-based diets to meet the nutritional needs of American football players has not been studied. This modeling study scaled dietary data from a large cohort following completely plant-based diets to meet the energy requirements of professional American football players to determine whether protein, leucine, and micronutrient needs for physical performance and health were met. The Cunningham equation was used to estimate calorie requirements. Nutrient intakes from the Adventist Health Study 2 were then scaled to this calorie level. Protein values ranged from 1.6-2.2 g/kg/day and leucine values ranged from 3.8-4.1 g/meal at each of four daily meals, therefore meeting and exceeding levels theorized to maximize muscle mass, muscle strength, and muscle protein synthesis, respectively. Plant-based diets scaled to meet the energy needs of professional American football players satisfied protein, leucine, and micronutrient requirements for muscle development and athletic performance. These findings suggest that completely plant-based diets could bridge the gap between dietary recommendations for chronic disease prevention and athletic performance in American football players.
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Affiliation(s)
- David M. Goldman
- Department of Public Health, University of Helsinki, 00014 Helsinki, Finland
- Department of Research and Development, Metabite Inc., New York, NY 10036, USA
| | - Cassandra B. Warbeck
- Department of Family Medicine, University of Alberta, Edmonton, AB T6G 2R3, Canada;
| | - Micaela C. Karlsen
- Department of Research, American College of Lifestyle Medicine, Chesterfield, MO 63006, USA;
- Departments of Applied Nutrition and Global Public Health, Adjunct Faculty, University of New England, Biddeford, ME 04005, USA
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11
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Leitão AE, Esteves GP, Mazzolani BC, Smaira FI, Santini MH, Santo André HC, Gualano B, Roschel H. Protein and Amino Acid Adequacy and Food Consumption by Processing Level in Vegans in Brazil. JAMA Netw Open 2024; 7:e2418226. [PMID: 38913373 PMCID: PMC11197455 DOI: 10.1001/jamanetworkopen.2024.18226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Accepted: 04/21/2024] [Indexed: 06/25/2024] Open
Abstract
Importance Major concerns regarding individuals who adhere to a vegan diet are whether they meet protein and essential amino acid recommendations and how reliant they are on ultraprocessed foods. Objectives To investigate whether individuals who adhere to a vegan diet meet protein and essential amino acid recommendations and, as secondary objectives, to determine ultraprocessed food intake and potential factors associated with inadequate protein intake in this population. Design, Setting, and Participants This cross-sectional survey study was conducted between September 2021 and January 2023 in Brazil among male and female adults (aged 18 years or older) who adhered to a vegan diet recruited from social media platforms. Exposure Adherence to a vegan diet and unprocessed and minimally processed foods and ultraprocessed food consumption. Main Outcomes and Measures Protein and essential amino acid intake and food consumption by processing level were assessed using a 1-day food diary. Nutrient adequacy ratios were calculated by dividing nutrient intake by its recommendation (using scores truncated at 1) for each participant and then finding the mean across participants for each nutrient. The mean adequacy ratio was the mean of all nutrient adequacy ratios. Results Of 1014 participants who completed the survey, 774 individuals (median [IQR] age, 29 [24-35] years; 637 female [82.3%]) were confirmed as adhering to a vegan diet and provided adequate food recalls, among whom 558 individuals reported body weight and so had relative protein and amino acid intake values available. The median (IQR) body mass index (calculated as weight in kilograms divided by height in meters squared) of participants was 22.6 (20.3-24.8). The nutrient adequacy ratio of protein was 0.93 (95% CI, 0.91-0.94); for essential amino acids, ratios ranged from 0.90 (95% CI, 0.89-0.92) for lysine to 0.98 (95% CI, 0.97-0.99) for phenylalanine and tyrosine. The mean adequacy ratio for protein and all amino acids was 0.95 (95% CI, 0.94-0.96). The median intake level was 66.5% (95% CI, 65.0%-67.9%) of total energy intake for unprocessed and minimally processed food and 13.2% (95% CI, 12.4%-14.4%) of total energy intake for ultraprocessed food. Adjusted logistic regression models showed that consuming protein supplements (odds ratio [OR], 0.06 [95% CI 0.02-0.14]; P < .001) or textured soy protein (OR, 0.32 [95% CI, 0.17-0.59]; P < .001) was associated with decreased odds of inadequate protein intake. Higher ultraprocessed food intake levels were also associated with decreased odds of inadequate protein intake (eg, fourth vs first quartile of intake: OR, 0.16 [95% CI, 0.07-0.33]; P < .001), and higher unprocessed and minimally processed protein intake levels were associated with increased odds of inadequate protein intake (eg, fourth vs first quartile of intake: OR, 12.42 [95% CI, 5.56-29.51]; P < .001). Conclusions and Relevance In this study, most individuals who adhered to a vegan diet attained protein and essential amino acid intake recommendations, largely based their diet of unprocessed and minimally processed food, and had a significantly lower proportion of ultraprocessed food intake compared with previous reports. Participants consuming less ultraprocessed food were more likely to have inadequate protein intake, suggesting a significant reliance on ultraprocessed proteins for this population.
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Affiliation(s)
- Alice Erwig Leitão
- Applied Physiology and Nutrition Research Group–School of Physical Education and Sport and Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, São Paulo, Brazil
- Center of Lifestyle Medicine; Laboratory of Assessment and Conditioning in Rheumatology, Hospital das Clínicas, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, São Paulo, Brazil
| | - Gabriel P. Esteves
- Applied Physiology and Nutrition Research Group–School of Physical Education and Sport and Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, São Paulo, Brazil
- Center of Lifestyle Medicine; Laboratory of Assessment and Conditioning in Rheumatology, Hospital das Clínicas, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, São Paulo, Brazil
| | - Bruna Caruso Mazzolani
- Applied Physiology and Nutrition Research Group–School of Physical Education and Sport and Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, São Paulo, Brazil
- Center of Lifestyle Medicine; Laboratory of Assessment and Conditioning in Rheumatology, Hospital das Clínicas, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, São Paulo, Brazil
| | - Fabiana Infante Smaira
- Applied Physiology and Nutrition Research Group–School of Physical Education and Sport and Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, São Paulo, Brazil
- Center of Lifestyle Medicine; Laboratory of Assessment and Conditioning in Rheumatology, Hospital das Clínicas, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, São Paulo, Brazil
| | - Martin Hindermann Santini
- Applied Physiology and Nutrition Research Group–School of Physical Education and Sport and Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, São Paulo, Brazil
- Center of Lifestyle Medicine; Laboratory of Assessment and Conditioning in Rheumatology, Hospital das Clínicas, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, São Paulo, Brazil
| | | | - Bruno Gualano
- Applied Physiology and Nutrition Research Group–School of Physical Education and Sport and Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, São Paulo, Brazil
- Center of Lifestyle Medicine; Laboratory of Assessment and Conditioning in Rheumatology, Hospital das Clínicas, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, São Paulo, Brazil
- Food Research Center, University of São Paulo, São Paulo, Brazil
| | - Hamilton Roschel
- Applied Physiology and Nutrition Research Group–School of Physical Education and Sport and Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, São Paulo, Brazil
- Center of Lifestyle Medicine; Laboratory of Assessment and Conditioning in Rheumatology, Hospital das Clínicas, Faculdade de Medicina, Universidade de Sao Paulo, São Paulo, São Paulo, Brazil
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12
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Lim C, Janssen TAH, Currier BS, Paramanantharajah N, McKendry J, Abou Sawan S, Phillips SM. Muscle Protein Synthesis in Response to Plant-Based Protein Isolates With and Without Added Leucine Versus Whey Protein in Young Men and Women. Curr Dev Nutr 2024; 8:103769. [PMID: 38846451 PMCID: PMC11153912 DOI: 10.1016/j.cdnut.2024.103769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 05/03/2024] [Accepted: 05/06/2024] [Indexed: 06/09/2024] Open
Abstract
Background Plant-based protein supplements often contain lower amounts of leucine and other essential amino acids (EAAs), potentially making them less effective in stimulating muscle protein synthesis (MPS) than animal-based proteins. Combining plant proteins could improve the EAA profile and more effectively support MPS. Objectives The aim of this study was to determine the effect of a novel plant-based blend protein (PBP), PBP with added leucine (PBP + Leu) to levels equivalent to whey protein isolate (WHEY) on aminoacidemia and MPS responses in young men and women. We hypothesized that PBP + Leu would stimulate MPS equivalent to WHEY, and both would be greater than PBP. Methods We employed a randomized, double-blind, crossover study consisting of 3 separate study visits to compare PBP, PBP + Leu, and WHEY. To measure MPS response to ingestion of the supplements, a primed continuous infusion of L-[ring13C6] phenylalanine was administered for 8 h at each study visit. Skeletal muscle tissue and blood samples were collected to measure aminoacidemia and MPS. Results All protein supplements increased mixed MPS above postabsorptive levels (P < 0.001). However, MPS increase following ingestion of PBP was less than that following ingestion of PBP + Leu (P = 0.002) and WHEY (P = 0.046). There were no differences in MPS between PBP + Leu and WHEY (P = 0.052). Conclusions Consumption of PBP isolate with added leucine stimulated MPS to a similar extent as whey protein in young men and women. PBPs containing higher leucine content promote anabolism to a similar extent as animal-based proteins.This study was registered at clinicaltrials.gov as NCT05139160.
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Affiliation(s)
| | | | - Brad S Currier
- Department of Kinesiology, McMaster University, Hamilton, Ontario, Canada
| | | | - James McKendry
- Department of Kinesiology, McMaster University, Hamilton, Ontario, Canada
| | - Sidney Abou Sawan
- Department of Kinesiology, McMaster University, Hamilton, Ontario, Canada
| | - Stuart M Phillips
- Department of Kinesiology, McMaster University, Hamilton, Ontario, Canada
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13
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Kostrakiewicz-Gierałt K. Plant-Based Proteins, Peptides and Amino Acids in Food Products Dedicated for Sportspeople-A Narrative Review of the Literature. Nutrients 2024; 16:1706. [PMID: 38892638 PMCID: PMC11175001 DOI: 10.3390/nu16111706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Revised: 05/27/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024] Open
Abstract
Plant proteins are increasingly seen as critical nutrient sources for both amateur and professional athletes. The aim of the presented study was to review the inventions and experimental articles referring to the application of plant-based proteins, peptides and amino acids in food products dedicated to sportspeople and published in the period 2014-2023. The literature search was conducted according to PRISMA statementsacross several key databases, including Scopus and ISI Web of Science. Altogether, 106 patents and 35 original articles were found. The survey of patents and inventions described in the articles showed the use of 52 taxa (mainly annual herbaceous plants), creating edible seeds and representing mainly the families Fabaceae and Poaceae. The majority of inventions were developed by research teams numbering from two to five scientists, affiliated in China, The United States of America and Japan. The greatest number of inventions applied plant-based proteins (especially protein isolates), declared the nutritional activity and were prepared in liquid or solid consistency. According to the reviewed studies, the intake of soybean and potato proteins might provide better results than animal-based protein (excluding resistance training), whereas the consumption of pea and rice protein does not possess any unique anabolic properties over whey protein. The analysis of other investigations demonstrated the varied acceptability and consumption of food products, while the high rating of the tested food products presented in four articles seems to be an effect of their sensual values, as well as other elements, such as production method, health benefits and cost-effectiveness. Considering the great potential of useful plant species, it might be concluded that future investigations focusing on searching for novel plant protein sources, suitable for the preparation of food products dedicated to amateur and professional sportspeople, remain of interest.
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Affiliation(s)
- Kinga Kostrakiewicz-Gierałt
- Department of Tourism Geography and Ecology, Institute of Tourism, Faculty of Tourism and Recreation, University of Physical Education in Kraków, Jana Pawła II 78, 31-571 Kraków, Poland
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14
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He W, Connolly ED, Cross HR, Wu G. Dietary protein and amino acid intakes for mitigating sarcopenia in humans. Crit Rev Food Sci Nutr 2024:1-24. [PMID: 38803274 DOI: 10.1080/10408398.2024.2348549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Adult humans generally experience a 0.5-1%/year loss in whole-body skeletal muscle mass and a reduction of muscle strength by 1.5-5%/year beginning at the age of 50 years. This results in sarcopenia (aging-related progressive losses of skeletal muscle mass and strength) that affects 10-16% of adults aged ≥ 60 years worldwide. Concentrations of some amino acids (AAs) such as branched-chain AAs, arginine, glutamine, glycine, and serine are reduced in the plasma of older than young adults likely due to insufficient protein intake, reduced protein digestibility, and increased AA catabolism by the portal-drained viscera. Acute, short-term, or long-term administration of some of these AAs or a mixture of proteinogenic AAs can enhance blood flow to skeletal muscle, activate the mechanistic target of rapamycin cell signaling pathway for the initiation of muscle protein synthesis, and modulate the metabolic activity of the muscle. In addition, some AA metabolites such as taurine, β-alanine, carnosine, and creatine have similar physiological effects on improving muscle mass and function in older adults. Long-term adequate intakes of protein and the AA metabolites can aid in mitigating sarcopenia in elderly adults. Appropriate combinations of animal- and plant-sourced foods are most desirable to maintain proper dietary AA balance.
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Affiliation(s)
- Wenliang He
- Department of Animal Science, Texas A&M University, College Station, TX, USA
| | - Erin D Connolly
- Department of Animal Science, Texas A&M University, College Station, TX, USA
| | - H Russell Cross
- Department of Animal Science, Texas A&M University, College Station, TX, USA
| | - Guoyao Wu
- Department of Animal Science, Texas A&M University, College Station, TX, USA
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15
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Tanous DR, Motevalli M, Leitzmann C, Wirnitzer G, Rosemann T, Knechtle B, Wirnitzer K. Dietary Habits and Race Day Strategies among Flexitarian, Vegetarian, and Vegan Recreational Endurance Runners: A Cross-Sectional Investigation from The NURMI Study (Step 2). Nutrients 2024; 16:1647. [PMID: 38892580 PMCID: PMC11174902 DOI: 10.3390/nu16111647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 05/17/2024] [Accepted: 05/25/2024] [Indexed: 06/21/2024] Open
Abstract
Many of today's recreational runners have changed their diet from omnivorous to vegetarian or vegan for reasons like better sport performance, animal ethics, positive health, eco-aspects, or male infertility. Others have constructed the flexitarian diet due to current trends in sustainable eating. The aim of this investigation was to analyze the dietary habits and race day strategies of recreational endurance runners following current sustainable dietary trends. Recreational endurance runners (18+ years) were invited to complete the standardized online survey on socio-demography/anthropometry, motivations, running/racing history, food frequency, and race day dietary strategy. Chi-squared tests and Wilcoxon tests were used for the statistical analysis. In total, 289 participants submitted the survey; 146 subjects following flexitarian (n = 34), vegetarian (n = 50), or vegan (n = 62) diets were included in the final sample. Significant differences were found across the diet types: BMI (p = 0.018), fruit/vegetable consumption (p < 0.001), and the dietary motive of performance (p = 0.045). The findings suggest that the flexitarian diet may be appropriate for health- and environmentally conscious populations living in a meat-centered society and lacking social support to eat completely vegetarian/vegan. Following a plant-based diet is perceived as easy for health-conscious, athletic populations, and the vegan diet does not require a particularly effortful/complex race day strategy for endurance runners.
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Affiliation(s)
- Derrick R. Tanous
- Department of Sport Science, University of Innsbruck, 6020 Innsbruck, Austria
- Department of Secondary Education, University College of Teacher Education Tyrol, 6010 Innsbruck, Austria
| | - Mohamad Motevalli
- Department of Sport Science, University of Innsbruck, 6020 Innsbruck, Austria
- Department of Secondary Education, University College of Teacher Education Tyrol, 6010 Innsbruck, Austria
| | - Claus Leitzmann
- Institute of Nutrition, University of Gießen, 35390 Gießen, Germany
| | | | - Thomas Rosemann
- Institute of Primary Care, University of Zurich, 8006 Zurich, Switzerland
| | - Beat Knechtle
- Institute of Primary Care, University of Zurich, 8006 Zurich, Switzerland
- Medbase St. Gallen, Am Vadianplatz, 9000 St. Gallen, Switzerland
| | - Katharina Wirnitzer
- Department of Sport Science, University of Innsbruck, 6020 Innsbruck, Austria
- Department of Secondary Education, University College of Teacher Education Tyrol, 6010 Innsbruck, Austria
- Research Center Medical Humanities, University of Innsbruck, 6020 Innsbruck, Austria
- Department of Pediatric Oncology and Hematology, Charité—Universitätsmedizin Berlin, 13353 Berlin, Germany
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16
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van der Heijden I, West S, Monteyne AJ, Finnigan TJA, Abdelrahman DR, Murton AJ, Stephens FB, Wall BT. Ingestion of a variety of non-animal-derived dietary protein sources results in diverse postprandial plasma amino acid responses which differ between young and older adults. Br J Nutr 2024; 131:1540-1553. [PMID: 38220222 PMCID: PMC11043913 DOI: 10.1017/s0007114524000163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 12/18/2023] [Accepted: 01/11/2024] [Indexed: 01/16/2024]
Abstract
Whole-body tissue protein turnover is regulated, in part, by the postprandial rise in plasma amino acid concentrations, although minimal data exist on the amino acid response following non-animal-derived protein consumption. We hypothesised that the ingestion of novel plant- and algae-derived dietary protein sources would elicit divergent plasma amino acid responses when compared with vegan- and animal-derived control proteins. Twelve healthy young (male (m)/female (f): 6/6; age: 22 ± 1 years) and 10 healthy older (m/f: 5/5; age: 69 ± 2 years) adults participated in a randomised, double-blind, cross-over trial. During each visit, volunteers consumed 30 g of protein from milk, mycoprotein, pea, lupin, spirulina or chlorella. Repeated arterialised venous blood samples were collected at baseline and over a 5-h postprandial period to assess circulating amino acid, glucose and insulin concentrations. Protein ingestion increased plasma total and essential amino acid concentrations (P < 0·001), to differing degrees between sources (P < 0·001), and the increase was further modulated by age (P < 0·001). Postprandial maximal plasma total and essential amino acid concentrations were highest for pea (2828 ± 106 and 1480 ± 51 µmol·l-1) and spirulina (2809 ± 99 and 1455 ± 49 µmol·l-1) and lowest for chlorella (2053 ± 83 and 983 ± 35 µmol·l-1) (P < 0·001), but were not affected by age (P > 0·05). Postprandial total and essential amino acid availabilities were highest for pea, spirulina and mycoprotein and lowest for chlorella (all P < 0·05), but no effect of age was observed (P > 0·05). The ingestion of a variety of novel non-animal-derived dietary protein sources elicits divergent plasma amino acid responses, which are further modulated by age.
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Affiliation(s)
- Ino van der Heijden
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, Heavitree Road, University of Exeter, ExeterEX1 2LU, UK
| | - Sam West
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, Heavitree Road, University of Exeter, ExeterEX1 2LU, UK
| | - Alistair J. Monteyne
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, Heavitree Road, University of Exeter, ExeterEX1 2LU, UK
| | | | - Doaa R. Abdelrahman
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, USA
- Sealy Center on Aging, University of Texas Medical Branch, Galveston, TX, USA
| | - Andrew J. Murton
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, USA
- Sealy Center on Aging, University of Texas Medical Branch, Galveston, TX, USA
| | - Francis B. Stephens
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, Heavitree Road, University of Exeter, ExeterEX1 2LU, UK
| | - Benjamin T. Wall
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, Heavitree Road, University of Exeter, ExeterEX1 2LU, UK
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17
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Prado CM, Batsis JA, Donini LM, Gonzalez MC, Siervo M. Sarcopenic obesity in older adults: a clinical overview. Nat Rev Endocrinol 2024; 20:261-277. [PMID: 38321142 DOI: 10.1038/s41574-023-00943-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/15/2023] [Indexed: 02/08/2024]
Abstract
Sarcopenic obesity is characterized by a concurrent decline in muscle mass and function, along with increased adipose tissue. Sarcopenic obesity is a growing concern in older adults owing to significant health consequences, including implications for mortality, comorbidities and risk of developing geriatric syndromes. A 2022 consensus statement established a new definition and diagnostic criteria for sarcopenic obesity. The pathophysiology of this condition involves a complex interplay between muscle, adipose tissue, hormonal changes, inflammation, oxidative stress and lifestyle factors, among others. Sarcopenic obesity is treated with a range of management approaches, such as lifestyle interventions, exercise, nutrition and medical therapies. Emerging therapies that were developed for treating other conditions may be relevant to sarcopenic obesity, including novel pharmacological agents and personalized approaches such as precision medicine. In this Review, we synthesize the current knowledge of the clinical importance of sarcopenic obesity, its assessment and diagnosis, along with current and emerging management strategies.
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Affiliation(s)
- Carla M Prado
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada.
| | - John A Batsis
- Division of Geriatric Medicine, School of Medicine, and Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Lorenzo M Donini
- Department of Experimental Medicine, Sapienza University, Rome, Italy
| | - M Cristina Gonzalez
- Postgraduate Program in Nutrition and Food, Pelotas, Federal University of Pelotas, Pelotas, Rio Grande do Sul, Brazil
- Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA, USA
| | - Mario Siervo
- School of Population Health, Curtin University, Perth, Western Australia, Australia
- Curtin Dementia Centre of Excellence, enAble Institute, Curtin University, Perth, Western Australia, Australia
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18
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Olsen ML, Olsen K, Jensen PE. Consumer acceptance of microalgae as a novel food - Where are we now? And how to get further. PHYSIOLOGIA PLANTARUM 2024; 176:e14337. [PMID: 38716544 DOI: 10.1111/ppl.14337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 04/24/2024] [Accepted: 04/26/2024] [Indexed: 05/24/2024]
Abstract
Microalgae provide a potential new food resource for sustainable human nutrition. Many microalgae species can produce a high content of total protein with a balanced composition of essential amino acids, healthy oils rich in polyunsaturated fatty acids, carotenoids, fibers, and vitamins. These components can be made available via unprocessed microalgae or refined as individual ingredients. In either case, if added to foods, microalgae may affect taste, smell, texture, and appearance. This review focuses on how consumer acceptance of new foods - such as microalgae - can be accessed in the world of sensory science by bringing together examples from recent consumer surveys. The main aim is to obtain an overview of the attitude towards microalgae as a food ingredient in Europe. The overarching finding suggests that European consumers generally find microalgae acceptable as ingredients in food products. However, there is a prevailing preference for keeping inclusion levels low, primarily attributed to the vivid green color that algae impart to food items upon addition. Additionally, consumers tend to favor the taste of freshwater algae over marine species, often finding the latter's pronounced fishy flavor less appealing.
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Affiliation(s)
- Malene Lihme Olsen
- Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
| | - Karsten Olsen
- Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
| | - Poul Erik Jensen
- Department of Food Science, University of Copenhagen, Frederiksberg, Denmark
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19
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Paulussen KJM, Askow AT, Deutz MT, McKenna CF, Garvey SM, Guice JL, Kesler RM, Barnes TM, Tinker KM, Paluska SA, Ulanov AV, Bauer LL, Dilger RN, Burd NA. Acute Microbial Protease Supplementation Increases Net Postprandial Plasma Amino Acid Concentrations After Pea Protein Ingestion in Healthy Adults: A Randomized, Double-Blind, Placebo-Controlled Trial. J Nutr 2024; 154:1549-1560. [PMID: 38467279 PMCID: PMC11130700 DOI: 10.1016/j.tjnut.2024.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 03/05/2024] [Accepted: 03/08/2024] [Indexed: 03/13/2024] Open
Abstract
BACKGROUND Digestibility is a primary factor in determining the quality of dietary protein. Microbial protease supplementation may be a strategy for improving protein digestion and subsequent postprandial plasma amino acid availability. OBJECTIVES To assess the effect of co-ingesting a microbial protease mixture with pea protein on postprandial plasma amino acid concentrations. DESIGN A mixture of 3 microbial protease preparations (P3) was tested for proteolytic efficacy in an in vitro static simulation of gastrointestinal digestion. Subsequently, in a randomized, double-blind, placebo-controlled crossover trial, 24 healthy adults (27 ± 4 y; 12 females, 12 males) ingested 25 g pea protein isolate (20 g protein, 2.2 g fat) with either P3 or maltodextrin placebo (PLA). Blood samples were collected at baseline and throughout a 0‒5 h postprandial period and both the early (0-2 h) iAUC and total (0-5 h) iAUC were examined. RESULTS Plasma glucose concentrations decreased in both conditions (P < 0.001), with higher concentrations after P3 ingestion compared with PLA (P < 0.001). Plasma insulin concentrations increased for both conditions (P < 0.001) with no difference between conditions (P = 0.331). Plasma total amino acid (TAA) concentrations increased over time (P < 0.001) with higher concentrations observed for P3 compared with PLA (P = 0.010) during the 0‒5 h period. There was a trend for elevated essential amino acid (EAA) concentrations for P3 compared with PLA (P = 0.099) during the 0‒5 h postprandial period but not for leucine (P = 0.282) or branched-chain amino acids (BCAA, P = 0.410). The early net exposure (0‒2 h iAUC) to amino acids (leucine, BCAA, EAA, and TAA) was higher for P3 compared with PLA (all, P < 0.05). CONCLUSIONS Microbial protease co-ingestion increases plasma TAA concentrations (0-5 h) and leucine, BCAA, EAA, and TAA availability in the early postprandial period (0‒2 h) compared with ingesting pea protein with placebo in healthy adults.
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Affiliation(s)
- Kevin J M Paulussen
- Department of Health and Kinesiology, University of Illinois Urbana-Champaign, Urbana, IL, United States
| | - Andrew T Askow
- Department of Health and Kinesiology, University of Illinois Urbana-Champaign, Urbana, IL, United States
| | - Max T Deutz
- Division of Nutritional Sciences, University of Illinois Urbana-Champaign, Urbana, IL, United States
| | - Colleen F McKenna
- Division of Nutritional Sciences, University of Illinois Urbana-Champaign, Urbana, IL, United States
| | - Sean M Garvey
- Department of Research and Development, BIO-CAT, Inc., Troy, VA, United States
| | - Justin L Guice
- Department of Research and Development, BIO-CAT, Inc., Troy, VA, United States
| | - Richard M Kesler
- Department of Health and Kinesiology, University of Illinois Urbana-Champaign, Urbana, IL, United States; Illinois Fire Service Institute, University of Illinois Urbana-Champaign, Urbana, IL, United States
| | - Takeshi M Barnes
- Department of Health and Kinesiology, University of Illinois Urbana-Champaign, Urbana, IL, United States
| | - Kelly M Tinker
- Department of Research and Development, BIO-CAT, Inc., Troy, VA, United States
| | - Scott A Paluska
- Department of Health and Kinesiology, University of Illinois Urbana-Champaign, Urbana, IL, United States
| | - Alexander V Ulanov
- Roy J. Carver Biotechnology Center, University of Illinois Urbana-Champaign, Urbana, IL, States
| | - Laura L Bauer
- Department of Animal Sciences, University of Illinois Urbana-Champaign, Urbana, IL, United States
| | - Ryan N Dilger
- Division of Nutritional Sciences, University of Illinois Urbana-Champaign, Urbana, IL, United States; Department of Animal Sciences, University of Illinois Urbana-Champaign, Urbana, IL, United States; Beckman Institute for Advanced Science and Technology, University of Illinois Urbana-Champaign, Urbana, IL, United States
| | - Nicholas A Burd
- Department of Health and Kinesiology, University of Illinois Urbana-Champaign, Urbana, IL, United States; Division of Nutritional Sciences, University of Illinois Urbana-Champaign, Urbana, IL, United States.
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20
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Axentii M, Codină GG. Exploring the Nutritional Potential and Functionality of Hemp and Rapeseed Proteins: A Review on Unveiling Anti-Nutritional Factors, Bioactive Compounds, and Functional Attributes. PLANTS (BASEL, SWITZERLAND) 2024; 13:1195. [PMID: 38732410 PMCID: PMC11085551 DOI: 10.3390/plants13091195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/13/2024]
Abstract
Plant-based proteins, like those derived from hemp and rapeseed can contribute significantly to a balanced diet and meet human daily nutritional requirements by providing essential nutrients such as protein, fiber, vitamins, minerals, and antioxidants. According to numerous recent research papers, the consumption of plant-based proteins has been associated with numerous health benefits, including a reduced risk of chronic diseases such as heart disease, diabetes, and certain cancers. Plant-based diets are often lower in saturated fat and cholesterol and higher in fiber and phytonutrients, which can support overall health and well-being. Present research investigates the nutritional attributes, functional properties, and potential food applications of hemp and rapeseed protein for a potential use in new food-product development, with a certain focus on identifying anti-nutritional factors and bioactive compounds. Through comprehensive analysis, anti-nutritional factors and bioactive compounds were elucidated, shedding light on their impact on protein quality and digestibility. The study also delves into the functional properties of hemp and rapeseed protein, unveiling their versatility in various food applications. Insights from this research contribute to a deeper understanding of the nutritional value and functional potential of hemp and rapeseed protein, paving the way for their further utilization in innovative food products with enhanced nutritional value and notable health benefits.
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21
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Pinckaers PJM, Smeets JSJ, Kouw IWK, Goessens JPB, Gijsen APB, de Groot LCPGM, Verdijk LB, van Loon LJC, Snijders T. Post-prandial muscle protein synthesis rates following the ingestion of pea-derived protein do not differ from ingesting an equivalent amount of milk-derived protein in healthy, young males. Eur J Nutr 2024; 63:893-904. [PMID: 38228945 PMCID: PMC10948472 DOI: 10.1007/s00394-023-03295-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 11/28/2023] [Indexed: 01/18/2024]
Abstract
PURPOSE Plant-derived proteins have received considerable attention as an alternative to animal-derived proteins. However, plant-derived proteins are considered to have less anabolic properties when compared with animal-derived proteins. The lower muscle protein synthesis rates following ingestion of plant- compared with animal-derived protein have been attributed to the lower essential amino acid content of plant-derived proteins and/or their specific amino acid deficiencies. This study aimed to compare post-prandial muscle protein synthesis rates following the ingestion of 30 g pea-derived protein with 30 g milk-derived protein in healthy, young males. METHODS In a randomized, double-blind, parallel-group design, 24 young males (24 ± 3 y) received a primed continuous L-[ring-13C6]-phenylalanine infusion after which they ingested 30 g pea (PEA) or 30 g milk-derived protein (MILK). Blood and muscle biopsies were collected frequently for 5 h to assess post-prandial plasma amino acid profiles and subsequent post-prandial muscle protein synthesis rates. RESULTS MILK increased plasma essential amino acid concentrations more than PEA over the 5 h post-prandial period (incremental area under curve 151 ± 31 vs 102 ± 15 mmol∙300 min∙L-1, respectively; P < 0.001). Ingestion of both MILK and PEA showed a robust muscle protein synthetic response with no significant differences between treatments (0.053 ± 0.013 and 0.053 ± 0.017%∙h-1, respectively; P = 0.96). CONCLUSION Post-prandial muscle protein synthesis rates following the ingestion of 30 g pea-derived protein do not differ from the response following ingestion of an equivalent amount of milk-derived protein. International Clinical Trials Registry Platform (NTR6548; 27-06-2017).
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Affiliation(s)
- Philippe J M Pinckaers
- TiFN, Wageningen, The Netherlands
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Joey S J Smeets
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Imre W K Kouw
- TiFN, Wageningen, The Netherlands
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Joy P B Goessens
- TiFN, Wageningen, The Netherlands
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Annemarie P B Gijsen
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Lisette C P G M de Groot
- TiFN, Wageningen, The Netherlands
- Division of Human Nutrition and Health, Department of Agrotechnology and Food Sciences, Wageningen University, Wageningen, The Netherlands
| | - Lex B Verdijk
- TiFN, Wageningen, The Netherlands
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Luc J C van Loon
- TiFN, Wageningen, The Netherlands.
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands.
| | - Tim Snijders
- TiFN, Wageningen, The Netherlands
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands
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22
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Wagner T, Pfeifle H, Hildebrand G, Zhang Y. Production of a Cheese-Like Aroma via Fermentation of Plant Proteins and Coconut Oil with the Basidiomycetes Cyclocybe aegerita and Trametes versicolor. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:6544-6553. [PMID: 38484109 DOI: 10.1021/acs.jafc.4c00219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
Cheese is one of the most common dairy products and is characterized by its complex aroma. However, in times of climate change and resource scarcity, the possibility to mimic the characteristic cheese-like aroma from plant-based sources is in demand to offer alternatives to cheese. Accordingly, the production of a natural cheese-like aroma via fermentation of four plant-based proteins and coconut oil with basidiomycetes has been addressed. Mixtures of soy and sunflower protein with coconut oil (15 g/L) have shown the formation of a cheese-like aroma after 72 and 56 h after fermentation with Cyclocybe aegerita and Trametes versicolor, respectively. Isovaleric acid, butanoic acid, ethyl butanoate, 1-octen-3-ol, and various ketones were identified as the key odorants. Similarities to typical cheeses were observed by the principal component analysis. Overall, the finding offered an approach to a sustainable production of a natural cheese-like aroma from a plant source, thus contributing to the development of cheese alternatives.
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Affiliation(s)
- Tim Wagner
- Institute of Food Science and Biotechnology, Department of Flavor Chemistry, University of Hohenheim, Fruwirthstraße 12, Stuttgart 70599, Germany
| | - Helena Pfeifle
- Institute of Food Science and Biotechnology, Department of Flavor Chemistry, University of Hohenheim, Fruwirthstraße 12, Stuttgart 70599, Germany
| | - Gabriel Hildebrand
- Institute of Food Science and Biotechnology, Department of Flavor Chemistry, University of Hohenheim, Fruwirthstraße 12, Stuttgart 70599, Germany
| | - Yanyan Zhang
- Institute of Food Science and Biotechnology, Department of Flavor Chemistry, University of Hohenheim, Fruwirthstraße 12, Stuttgart 70599, Germany
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23
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Liu Y, Aimutis WR, Drake M. Dairy, Plant, and Novel Proteins: Scientific and Technological Aspects. Foods 2024; 13:1010. [PMID: 38611316 PMCID: PMC11011482 DOI: 10.3390/foods13071010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/14/2024] Open
Abstract
Alternative proteins have gained popularity as consumers look for foods that are healthy, nutritious, and sustainable. Plant proteins, precision fermentation-derived proteins, cell-cultured proteins, algal proteins, and mycoproteins are the major types of alternative proteins that have emerged in recent years. This review addresses the major alternative-protein categories and reviews their definitions, current market statuses, production methods, and regulations in different countries, safety assessments, nutrition statuses, functionalities and applications, and, finally, sensory properties and consumer perception. Knowledge relative to traditional dairy proteins is also addressed. Opportunities and challenges associated with these proteins are also discussed. Future research directions are proposed to better understand these technologies and to develop consumer-acceptable final products.
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Affiliation(s)
- Yaozheng Liu
- Department of Food, Bioprocessing, and Nutrition Sciences, North Carolina State University, Raleigh, NC 27695, USA; (Y.L.); (W.R.A.)
| | - William R. Aimutis
- Department of Food, Bioprocessing, and Nutrition Sciences, North Carolina State University, Raleigh, NC 27695, USA; (Y.L.); (W.R.A.)
- North Carolina Food Innovation Lab, North Carolina State University, Kannapolis, NC 28081, USA
| | - MaryAnne Drake
- Department of Food, Bioprocessing, and Nutrition Sciences, North Carolina State University, Raleigh, NC 27695, USA; (Y.L.); (W.R.A.)
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24
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Toutirais L, Walrand S, Vaysse C. Are oilseeds a new alternative protein source for human nutrition? Food Funct 2024; 15:2366-2380. [PMID: 38372388 DOI: 10.1039/d3fo05370a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
This review focuses on the potential use, nutritional value and beneficial health effects of oilseeds as a source of food protein. The process of extracting oil from oilseeds produces a by-product that is rich in proteins and other valuable nutritional and bioactive components. This product is primarily used for animal feed. However, as the demand for proteins continues to rise, plant-based proteins have a real success in food applications. Among the different plant protein sources, oilseeds could be used as an alternative protein source for human diet. The data we have so far show that oilseeds present a protein content of up to 40% and a relatively well-balanced profile of amino acids with sulphur-containing amino acids. Nevertheless, they tend to be deficient in lysine and rich in anti-nutritional factors (ANFs), which therefore means they have lower anabolic potential than animal proteins. To enhance their nutritional value, oilseed proteins can be combined with other protein sources and subjected to processes such as dehulling, heating, soaking, germination or fermentation to reduce their ANFs and improve protein digestibility. Furthermore, due to their bioactive peptides, oilseeds can also bring health benefits, particularly in the prevention and treatment of diabetes, obesity and cardiovascular diseases. However, additional nutritional data are needed before oilseeds can be endorsed as a protein source for humans.
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Affiliation(s)
- Lina Toutirais
- ITERG, Department of Nutritional Health and Lipid Biochemistry, Bordeaux, France
- Université Clermont Auvergne, INRAE, UNH, 63000 Clermont-Ferrand, France.
| | - Stephane Walrand
- Université Clermont Auvergne, INRAE, UNH, 63000 Clermont-Ferrand, France.
- Clinical Nutrition Department, CHU, Clermont-Ferrand, France
| | - Carole Vaysse
- Clinical Nutrition Department, CHU, Clermont-Ferrand, France
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25
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Williamson E, Ross IL, Wall BT, Hankamer B. Microalgae: potential novel protein for sustainable human nutrition. TRENDS IN PLANT SCIENCE 2024; 29:370-382. [PMID: 37690907 DOI: 10.1016/j.tplants.2023.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 08/04/2023] [Accepted: 08/08/2023] [Indexed: 09/12/2023]
Abstract
To support a global population of ~10 billion people in 2050, dietary protein demand is forecast to increase 32-78% compared to 2017, requiring significantly higher planetary resources. Microalgae are an attractive sustainable protein source compared with current plant and animal sources. Benefits include mass scalability, low CO2 emissions, and significantly reduced land and freshwater use per unit protein. Microalgae are already used as food products and numerous species exhibit high total protein contents and well-balanced essential amino acid (EAA) compositions for human dietary requirements. Microalgae proteins are also bioavailable for human digestion, and downstream processing steps are likely to further enhance protein digestibility. Species, cultivation, and process/product optimisation are actively being developed to enhance their nutritional, social, and environmental benefits.
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Affiliation(s)
- Ellen Williamson
- Department of Public Health and Sports Sciences, University of Exeter, Exeter, EX1 2LU, UK; Institute for Molecular Bioscience, University of Queensland, Brisbane, QLD 4072, Australia
| | - Ian L Ross
- Institute for Molecular Bioscience, University of Queensland, Brisbane, QLD 4072, Australia
| | - Benjamin T Wall
- Department of Public Health and Sports Sciences, University of Exeter, Exeter, EX1 2LU, UK
| | - Benjamin Hankamer
- Institute for Molecular Bioscience, University of Queensland, Brisbane, QLD 4072, Australia.
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26
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Ruxton CHS, Gordon S. Animal board invited review: The contribution of red meat to adult nutrition and health beyond protein. Animal 2024; 18:101103. [PMID: 38442540 DOI: 10.1016/j.animal.2024.101103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 01/29/2024] [Accepted: 01/30/2024] [Indexed: 03/07/2024] Open
Abstract
Red meat has been a critical part of human diets for millennia, providing a source of high-quality protein, micronutrients and essential fatty acids. However, as societies evolved and industrialisation reshaped our food systems, there has been a noticeable shift in meat-eating trends driven by concerns about the environmental impact of meat production and its potential risk to health. Yet, despite falling out of favour with some dietary experts and influencers, meat has an important role in a healthy diet and most adults still consume it. This article explores the nutritional value of red meat, authorised nutrition and health claims, how red meat fits into diet, providing the example of the United Kingdom (UK), and the health benefits and risks associated with both eating and avoiding red meat. Benefits of red meat include nutrient density and bioavailability while risks include colorectal cancer at high intakes of processed meats, based on observational studies. Benefits of meat-free diets include a lower risk of chronic diseases, based on observational studies, while risks include nutrient inadequacy, higher bone fracture risk and low protein quality. Hence, a wholesale shift to plant-based diets may not benefit adults who are vulnerable to sub-optimal nutrient intakes, such as women of child-bearing age and the elderly. More evidence from randomised controlled trials is recommended to fully understand the benefits and risks of both meat-containing and meat-free diets.
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Affiliation(s)
- C H S Ruxton
- Nutrition Communications, Cupar KY15 4HQ, United Kingdom.
| | - S Gordon
- NICHE, Ulster University, Coleraine BT52 1SA, United Kingdom
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27
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Sánchez-García J, Muñoz-Pina S, García-Hernández J, Tárrega A, Heredia A, Andrés A. Protein digestibility and ACE inhibitory activity of fermented flours in older adults and standard gastrointestinal simulation. Food Res Int 2024; 180:114080. [PMID: 38395555 DOI: 10.1016/j.foodres.2024.114080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 01/23/2024] [Accepted: 01/29/2024] [Indexed: 02/25/2024]
Abstract
Consumption of essential amino acids responsible for muscle protein synthesis is important in preventing sarcopenia among older individuals. This population may experience gastrointestinal disorders that inhibit protein digestibility, making it crucial to address. Therefore, solid-state fermentation (SSF) using Pleurotus ostreatus and air drying has been suggested as a means of improving the protein digestibility of lentils and quinoa. SSF combined with air drying at 70 °C resulted in a slight increase in protein hydrolysis compared to unfermented samples. SSF was found to boost the proportion of small peptides to 35 %. Following digestion, SSF and drying yielded bioactive peptides of 1400 and 450 Da, with a range of 11 % to 28 %, respectively, and peptides < 190 Da making up 60 % of the total. SSF promoted valine, leucine, and isoleucine generation; however, hot air drying reduced free amino acids due to the amino acid-reducing sugar bonding but was never lower than the initial content of its unfermented counterpart. Furthermore, SSF and drying at 70 °C improved the release of hydrophobic amino acids (>70 mg/g dry basis) and negatively charged amino acids (>20 mg/g dry basis) in lentils during digestion. The SSF samples exhibited lower angiotensin converting enzyme (ACE) inhibitory activity, ≤35 %, compared to unfermented flours after digestion. However, the ACE inhibitory activity increased in SSF-dried samples, in part because of melanoidins generated during drying. Finally, lower values of protein digestibility and thus smaller peptides, amino acid profile, and ACE inhibitory activity of fermented flours were found in the older adult digestion model.
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Affiliation(s)
- Janaina Sánchez-García
- Instituto Universitario de Ingeniería de Alimentos - FoodUPV, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Sara Muñoz-Pina
- Instituto Universitario de Ingeniería de Alimentos - FoodUPV, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain.
| | - Jorge García-Hernández
- Centro Avanzado de Microbiología de Alimentos (CAMA), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Amparo Tárrega
- Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Agustín Escardino, 7, 46980 Paterna, Valencia, Spain
| | - Ana Heredia
- Instituto Universitario de Ingeniería de Alimentos - FoodUPV, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Ana Andrés
- Instituto Universitario de Ingeniería de Alimentos - FoodUPV, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
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28
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Habumugisha T, Engebretsen IMS, Måren IE, Kaiser CWM, Dierkes J. Reducing meat and/or dairy consumption in adults: a systematic review and meta-analysis of effects on protein intake, anthropometric values, and body composition. Nutr Rev 2024; 82:277-301. [PMID: 37236631 PMCID: PMC10859689 DOI: 10.1093/nutrit/nuad055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023] Open
Abstract
CONTEXT Consumers are increasingly encouraged to reduce meat and dairy consumption. However, few meta-analyses of randomized controlled trials (RCTs) on the effect of reducing meat and/or dairy on (absolute) protein intake, anthropometric values, and body composition are available. OBJECTIVE The aim of this systematic review and meta-analysis was to evaluate the effect of reducing meat and/or dairy consumption on (absolute) protein intake, anthropometric values, and body composition in adults aged ≥ 45 years. DATA SOURCES The MEDLINE, Cochrane CENTRAL, Embase, ClinicalTrials.gov, and International Clinical Trials Registry Platform databases were searched up to November 24, 2021. DATA EXTRACTION Randomized controlled trials reporting protein intake, anthropometric values, and body composition were included. DATA ANALYSIS Data were pooled using random-effects models and expressed as the mean difference (MD) with 95%CI. Heterogeneity was assessed and quantified using Cochran's Q and I2 statistics. In total, 19 RCTs with a median duration of 12 weeks (range, 4-24 weeks) and a total enrollment of 1475 participants were included. Participants who consumed meat- and/or dairy-reduced diets had a significantly lower protein intake than those who consumed control diets (9 RCTs; MD, -14 g/d; 95%CI, -20 to -8; I2 = 81%). Reducing meat and/or dairy consumption had no significant effect on body weight (14 RCTs; MD, -1.2 kg; 95%CI, -3 to 0.7; I2 = 12%), body mass index (13 RCTs; MD, -0.3 kg/m2; 95%CI, -1 to 0.4; I2 = 34%), waist circumference (9 RCTs; MD, -0.5 cm; 95%CI, -2.1 to 1.1; I2 = 26%), amount of body fat (8 RCTs; MD, -1.0 kg; 95%CI, -3.0 to 1.0; I2 = 48%), or lean body mass (9 RCTs; MD, -0.4 kg; 95%CI, -1.5 to 0.7; I2 = 0%). CONCLUSION Reduction of meat and/or dairy appears to reduce protein intake. There is no evidence of a significant impact on anthropometric values or body composition. More long-term intervention studies with defined amounts of meat and dairy are needed to investigate the long-term effects on nutrient intakes and health outcomes. SYSTEMATIC REVIEW REGISTRATION PROSPERO registration no. CRD42020207325.
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Affiliation(s)
- Theogene Habumugisha
- Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
- Centre for Nutrition, Mohn Nutrition Research Laboratory, Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | | | | | | | - Jutta Dierkes
- Centre for Nutrition, Mohn Nutrition Research Laboratory, Department of Clinical Medicine, University of Bergen, Bergen, Norway
- Department of Medical Biochemistry and Pharmacology, Haukeland University Hospital, Bergen, Norway
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29
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Mak WS, Jones CP, McBride KE, Fritz EAP, Hirsch J, German JB, Siegel JB. Acid-active proteases to optimize dietary protein digestibility: a step towards sustainable nutrition. Front Nutr 2024; 11:1291685. [PMID: 38389801 PMCID: PMC10881760 DOI: 10.3389/fnut.2024.1291685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 01/30/2024] [Indexed: 02/24/2024] Open
Abstract
Introduction Historically, prioritizing abundant food production often resulted in overlooking nutrient quality and bioavailability, however, environmental concerns have now propelled sustainable nutrition and health efficacy to the forefront of global attention. In fact, increasing demand for protein is the major challenge facing the food system in the 21st century with an estimation that 70% more food is needed by 2050. This shift has spurred interest in plant-based proteins for their sustainability and health benefits, but most alternative sources of protein are poorly digestible. There are two approaches to solve digestibility: improve the digestibility of food proteins or improve the digestive capacity of consumers. Enhancing nutrient digestibility and bioavailability across diverse protein sources is crucial, with proteases presenting a promising avenue. Research, inspired by the proteases of human breast milk, has demonstrated that exogenous microbial proteases can activate within the human digestive tract and substantially increase the digestion of targeted proteins that are otherwise difficult to fully digest. Methods Here, we introduce the use of an acid-active family of bacterial proteases (S53) to improve the digestibility and nutritional quality of a variety of protein sources, evaluated using the INFOGEST 2.0 protocol. Results Results from in vitro digestibility indicate that the most effective protease in the S53 family substantially improves the digestibility of an array of animal and plant-derived proteins-soy, pea, chickpea, rice, casein, and whey. On average, this protease elevated protein digestibility by 115% during the gastric phase and by 15% in the intestinal phase, based on the degree of hydrolysis. Discussion The widespread adoption of these proteases has the potential to enhance nutritional value and contribute to food security and sustainability. This approach would complement ongoing efforts to improve proteins in the food supply, increase the quality of more sustainable protein sources and aid in the nourishment of patients with clinically compromised, fragile intestines and individuals like older adults and high-performance athletes who have elevated protein needs.
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Affiliation(s)
- Wai Shun Mak
- Department of Chemistry, University of California, Davis, Davis, CA, United States
- Digestiva, Inc., Davis, CA, United States
| | | | | | | | | | - J Bruce German
- Department of Food Science and Technology, University of California, Davis, Davis, CA, United States
| | - Justin B Siegel
- Department of Chemistry, University of California, Davis, Davis, CA, United States
- Digestiva, Inc., Davis, CA, United States
- Genome Center, University of California, Davis, Davis, CA, United States
- Department of Biochemistry and Molecular Medicine, University of California, Davis, Davis, CA, United States
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30
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Pinckaers PJM, Weijzen MEG, Houben LHP, Zorenc AH, Kouw IWK, de Groot LCPGM, Verdijk LB, Snijders T, van Loon LJC. The muscle protein synthetic response following corn protein ingestion does not differ from milk protein in healthy, young adults. Amino Acids 2024; 56:8. [PMID: 38315260 PMCID: PMC10844360 DOI: 10.1007/s00726-023-03377-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 11/04/2023] [Indexed: 02/07/2024]
Abstract
Plant-derived proteins are generally believed to possess lesser anabolic properties when compared with animal-derived proteins. This is, at least partly, attributed to the lower leucine content of most plant-derived proteins. Corn protein has a leucine content that is highest among most plant-derived proteins and it even exceeds the levels observed in animal-derived proteins such as whey protein. Therefore, this study aimed to compare muscle protein synthesis rates following the ingestion of 30 g corn protein and a 30 g blend of corn plus milk protein with 30 g milk protein. In a randomized, double blind, parallel-group design, 36 healthy young males (26 ± 4 y) received primed continuous L-[ring-13C6]-phenylalanine infusions and ingested 30 g corn protein (CORN), 30 g milk protein (MILK), or a 30 g proteinblend with 15 g corn plus 15 g milk protein (CORN + MILK). Blood and muscle biopsies were collected for 5 h following protein ingestion to assess post-prandial plasma amino acid profiles and myofibrillar protein synthesis rates. The results show that Ingestion of protein increased myofibrillar protein synthesis rates from basal post-absorptive values in all treatments(P < 0.001). Post-prandial myofibrillar protein synthesis rates did not differ between CORN vs MILK (0.053 ± 0.013 vs 0.053 ± 0.013%∙h-1, respectively; t-test P = 0.90), or between CORN + MILK vs MILK (0.052 ± 0.024 vs 0.053 ± 0.013%∙h-1, respectively; t-test P = 0.92). Ingestion of 30 g corn protein, 30 g milk protein, or a blend of 15 g corn plus 15 g milk protein robustly increases muscle protein synthesis rates in young males. The muscle protein synthetic response to the ingestion of 30 g corn-derived protein does not differ from the ingestion of an equivalent amount of milk protein in healthy, young males. Clinical Trial Registry number. NTR6548 (registration date: 27-06-2017) https://www.trialregister.nl/ .
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Affiliation(s)
- Philippe J M Pinckaers
- TiFN, Wageningen, The Netherlands
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616 6200 MD, Maastricht, The Netherlands
| | - Michelle E G Weijzen
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616 6200 MD, Maastricht, The Netherlands
| | - Lisanne H P Houben
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616 6200 MD, Maastricht, The Netherlands
| | - Antoine H Zorenc
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616 6200 MD, Maastricht, The Netherlands
| | - Imre W K Kouw
- TiFN, Wageningen, The Netherlands
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616 6200 MD, Maastricht, The Netherlands
| | - Lisette C P G M de Groot
- TiFN, Wageningen, The Netherlands
- Division of Human Nutrition & Health, Department of Agrotechnology and Food Sciences, Wageningen University, Wageningen, The Netherlands
| | - Lex B Verdijk
- TiFN, Wageningen, The Netherlands
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616 6200 MD, Maastricht, The Netherlands
| | - Tim Snijders
- TiFN, Wageningen, The Netherlands
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616 6200 MD, Maastricht, The Netherlands
| | - Luc J C van Loon
- TiFN, Wageningen, The Netherlands.
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616 6200 MD, Maastricht, The Netherlands.
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Bedsaul-Fryer JR, Monroy-Gomez J, van Zutphen-Küffer KG, Kraemer K. An Introduction to Traditional and Novel Alternative Proteins for Low- and Middle-Income Countries. Curr Dev Nutr 2024; 8:102014. [PMID: 38476724 PMCID: PMC10926120 DOI: 10.1016/j.cdnut.2023.102014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 10/02/2023] [Indexed: 03/14/2024] Open
Affiliation(s)
| | | | - Kesso G. van Zutphen-Küffer
- Sight and Life, Basel, Switzerland
- Department of Human Nutrition & Health, Wageningen University & Research, Wageningen, The Netherlands
| | - Klaus Kraemer
- Sight and Life, Basel, Switzerland
- Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, United States
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van Dam L, Kardinaal A, Troupin J, Boulier A, Hiolle M, Wehrens R, Mensink M. Postprandial amino acid response after the ingestion of pea protein, milk protein, casein and a casein-pea blend, in healthy older adults. Int J Food Sci Nutr 2024; 75:70-80. [PMID: 37933669 DOI: 10.1080/09637486.2023.2276667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 10/24/2023] [Indexed: 11/08/2023]
Abstract
To identify the potential anabolic properties of a dairy-plant protein blend as compared to single plant-based and single dairy protein, the postprandial amino acid (AA) response of pea protein, milk protein, micellar casein, and a casein-pea protein blend was investigated in healthy older adults (age 72.3 ± 3.4 years, BMI 25.3 ± 2.9 kg/m2). Plasma AA levels were measured, before and up to 5 h after ingestion of each 20 g protein. Blending casein-pea in a 60/40 mixture resulted in improved plasma AA availability, i.e. area under the curve (AUC) and peak height, of total (essential) AA and of key AAs methionine and leucine compared to pea only, while preserving the higher availability of arginine. The casein/pea blend clearly showed an AA response that was in between that of its single constituents, indicating that blending could be a solution to improve a lower quality (plant) protein, which could be of relevance for older adults.
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Affiliation(s)
- Lotte van Dam
- Division of Human Nutrition and Health, Wageningen University and Research, Wageningen, The Netherlands
| | | | | | | | | | - Ron Wehrens
- Biometris, Wageningen University and Research, Wageningen, The Netherlands
| | - Marco Mensink
- Division of Human Nutrition and Health, Wageningen University and Research, Wageningen, The Netherlands
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Homolak J, Babic Perhoc A, Virag D, Knezovic A, Osmanovic Barilar J, Salkovic-Petrisic M. D-galactose might mediate some of the skeletal muscle hypertrophy-promoting effects of milk-A nutrient to consider for sarcopenia? Bioessays 2024; 46:e2300061. [PMID: 38058119 DOI: 10.1002/bies.202300061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 10/18/2023] [Accepted: 11/13/2023] [Indexed: 12/08/2023]
Abstract
Sarcopenia is a process of progressive aging-associated loss of skeletal muscle mass (SMM) recognized as a serious global health issue contributing to frailty and increased all-cause mortality. Exercise and nutritional interventions (particularly intake of dairy products and milk) demonstrate good efficacy, safety, and broad applicability. Here, we propose that at least some of the well-documented favorable effects of milk and milk-derived protein supplements on SMM might be mediated by D-galactose, a monosaccharide present in large quantities in milk in the form of disaccharide lactose (milk sugar). We suggest that ingestion of dairy products results in exposure to D-galactose in concentrations metabolized primarily via the Leloir pathway with the potential to (i) promote anabolic signaling via maintenance of growth factor (e.g., insulin-like growth factor 1 [IGF-1]) receptor mature glycosylation patterns; and (ii) provide extracellular (liver glycogen) and intracellular substrates for short (muscle glycolysis) and long-term (muscle glycogen, intramyocellular lipids) energy availability. Additionally, D-galactose might optimize the metabolic function of skeletal muscles by increasing mitochondrial content and stimulating glucose and fatty acid utilization. The proposed potential of D-galactose to promote the accretion of SMM is discussed in the context of its therapeutic potential in sarcopenia.
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Affiliation(s)
- Jan Homolak
- Department of Pharmacology, University of Zagreb School of Medicine, Zagreb, Croatia
- Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
- Interfaculty Institute of Microbiology and Infection Medicine, University of Tübingen, Tübingen, Germany
- Cluster of Excellence "Controlling Microbes to Fight Infections", University of Tübingen, Tübingen, Germany
| | - Ana Babic Perhoc
- Department of Pharmacology, University of Zagreb School of Medicine, Zagreb, Croatia
- Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Davor Virag
- Department of Pharmacology, University of Zagreb School of Medicine, Zagreb, Croatia
- Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Ana Knezovic
- Department of Pharmacology, University of Zagreb School of Medicine, Zagreb, Croatia
- Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Jelena Osmanovic Barilar
- Department of Pharmacology, University of Zagreb School of Medicine, Zagreb, Croatia
- Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Melita Salkovic-Petrisic
- Department of Pharmacology, University of Zagreb School of Medicine, Zagreb, Croatia
- Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
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Hilkens L, Praster F, van Overdam J, Nyakayiru J, Singh-Povel CM, Bons J, van Loon LJ, van Dijk JW. Graded Replacement of Carbohydrate-Rich Breakfast Products with Dairy Products: Effects on Postprandial Aminoacidemia, Glycemic Control, Bone Metabolism, and Satiety. J Nutr 2024; 154:479-490. [PMID: 38092152 DOI: 10.1016/j.tjnut.2023.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/23/2023] [Accepted: 12/07/2023] [Indexed: 12/31/2023] Open
Abstract
BACKGROUND Postprandial metabolic responses following dairy consumption have mostly been studied using stand-alone dairy products or milk-derived nutrients. OBJECTIVE Assessing the impact of ingesting dairy products as part of a common breakfast on postprandial aminoacidemia, glycemic control, markers of bone metabolism, and satiety. METHODS In this randomized, crossover study, 20 healthy young males and females consumed on 3 separate occasions an iso-energetic breakfast containing no dairy (NO-D), 1 dairy (ONE-D), or 2 dairy (TWO-D) products. Postprandial concentrations of amino acids, glucose, insulin, glucagon-like peptide-1 (GLP-1), calcium, parathyroid hormone (PTH), and markers of bone formation (P1NP) and resorption (CTX-I) were measured before and up to 300 min after initiating the breakfast, along with VAS-scales to assess satiety. RESULTS Plasma essential and branched-chained amino acids availability (expressed as total area under the curve (tAUC)) increased in a dose-dependent manner (P<0.05 for all comparisons). Plasma glucose tAUCs were lower in ONE-D and TWO-D compared with NO-D (P<0.05 for both comparisons). Plasma GLP-1 tAUC increased in a dose-dependent manner (P<0.05 for all comparisons), whereas no differences were observed in plasma insulin tAUC between conditions (P>0.05 for all comparisons). Serum calcium tAUCs were higher in ONE-D and TWO-D compared with NO-D (P<0.05 for both comparisons), along with lower PTH tAUCs in ONE-D and TWO-D compared with NO-D (P=0.001 for both comparisons). In accordance, serum CTX-I concentrations were lower in the late postprandial period in ONE-D and TWO-D compared with NO-D (P<0.01 for both comparisons). No differences were observed in P1NP tAUCs between conditions (P>0.05). The tAUC for satiety was higher in TWO-D compared with NO-D and ONE-D (P<0.05 for both comparisons). CONCLUSIONS Iso-energetic replacement of a carbohydrate-rich breakfast component with one serving of dairy improves postprandial amino acid availability, glycemic control, and bone metabolism. Adding a second serving of dairy in lieu of carbohydrates augments postprandial amino acid and GLP-1 concentrations while further promoting satiety. This study was registered at https://doi.org/10.1186/ISRCTN13531586 with Clinical Trial Registry number ISRCTN13531586.
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Affiliation(s)
- Luuk Hilkens
- School of Sport and Exercise, HAN University of Applied Sciences, Nijmegen, The Netherlands; Department of Human Biology, NUTRIM, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Floor Praster
- School of Sport and Exercise, HAN University of Applied Sciences, Nijmegen, The Netherlands
| | - Jan van Overdam
- School of Sport and Exercise, HAN University of Applied Sciences, Nijmegen, The Netherlands
| | | | | | - Judith Bons
- Central Diagnostic Laboratory, Maastricht University Medical Center+, Maastricht, The Netherlands
| | - Luc Jc van Loon
- School of Sport and Exercise, HAN University of Applied Sciences, Nijmegen, The Netherlands; Department of Human Biology, NUTRIM, Maastricht University Medical Centre+, Maastricht, The Netherlands
| | - Jan-Willem van Dijk
- School of Sport and Exercise, HAN University of Applied Sciences, Nijmegen, The Netherlands.
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35
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Vissamsetti N, Simon-Collins M, Lin S, Bandyopadhyay S, Kuriyan R, Sybesma W, Tomé D. Local Sources of Protein in Low- and Middle-Income Countries: How to Improve the Protein Quality? Curr Dev Nutr 2024; 8:102049. [PMID: 38476722 PMCID: PMC10926142 DOI: 10.1016/j.cdnut.2023.102049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 11/18/2023] [Accepted: 11/26/2023] [Indexed: 03/14/2024] Open
Abstract
Protein inadequacy is a major contributor to nutritional deficiencies and adverse health outcomes of populations in low- and middle-income countries (LMICs). People in LMICs often consume a diet predominantly based on staple crops, such as cereals or starches, and derive most of their daily protein intakes from these sources. However, plant-based sources of protein often contain low levels of indispensable amino acids (IAAs). Inadequate intake of IAA in comparison with daily requirements is a limiting factor that results in protein deficiency, consequently in the long-term stunting and wasting. In addition, plant-based sources contain factors such as antinutrients that can diminish protein digestion and absorption. This review describes factors that affect protein quality, reviews dietary patterns of populations in LMICs and discusses traditional and novel small- and large-scale techniques that can improve the quality of plant protein sources for enhanced protein bioavailability and digestibility as an approach to tackle malnutrition in LMICs. The more accessible small-scale food-processing techniques that can be implemented at home in LMICs include soaking, cooking, and germination, whereas many large-scale techniques must be implemented on an industrial level such as autoclaving and extrusion. Limitations and considerations to implement those techniques locally in LMICs are discussed. For instance, at-home processing techniques can cause loss of nutrients and contamination, whereas limitations with larger scale techniques include high energy requirements, costs, and safety considerations. This review suggests that combining these small- and large-scale approaches could improve the quality of local sources of proteins, and thereby address adverse health outcomes, particularly in vulnerable population groups such as children, adolescents, elderly, and pregnant and lactating women.
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Affiliation(s)
- Nitya Vissamsetti
- Department of Biochemistry and Molecular Biology and Center for Physics of Evolving Systems, University of Chicago, Chicago, IL, United States
| | - Mackenzie Simon-Collins
- Division of Reproductive Sciences and Women’s Health Research, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Sheryl Lin
- Department of Biology, Johns Hopkins University, Baltimore, MD, United States
| | - Sulagna Bandyopadhyay
- Division of Nutrition, St. John's Research Institute, St. John's National Academy of Health Sciences, Bangalore, India
| | - Rebecca Kuriyan
- Division of Nutrition, St. John's Research Institute, St. John's National Academy of Health Sciences, Bangalore, India
| | | | - Daniel Tomé
- Université Paris-Saclay, AgroParisTech, INRAE, UMR PNCA, Paris, France
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36
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Tome D, Xipsiti M, Shertukde SP, Calvez J, Vasilopoulou D, Wijesinha-Bettoni R, Owino VO. Context and Perspectives for Establishing a Novel Database for Protein Quality of Human Foods, as Proposed by a Joint Food and Agriculture Organization of the United Nations/International Atomic Energy Agency Expert Technical Meeting in October 2022. J Nutr 2024; 154:294-299. [PMID: 38160807 DOI: 10.1016/j.tjnut.2023.12.050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/23/2023] [Accepted: 12/28/2023] [Indexed: 01/03/2024] Open
Abstract
United Nations agencies have a long history of leading work on establishing global human nutrient requirements. Dietary protein contributes to metabolism and homeostasis and plays an essential role in human health for growth, maintenance, reproduction, and immune function (or immunity). Accurately defining the quantity and quality of protein provided by foods and diets required to meet human nutritional needs is essential to achieving global environmental and nutrition goals. There have been many scientific developments related to protein quality over the past decades, with the preferred method being the scoring approach that relates the capacity of protein sources to provide an adequate amount and proportion of nitrogen and indispensable amino acids (IAAs) in a bioavailable form (often referred to as digestibility). Questions surrounding the scoring approach and IAA metabolic availability have been discussed during past and recent expert consultations. Recently, an Food and Agriculture Organization of the United Nations/International Atomic Energy Agency technical meeting, held in Vienna, 10-13 October, 2022, reviewed and updated evidence and related methods on protein requirements and protein quality assessment and designed a framework for the development of a Protein Digestibility Database to aid dialog on the evaluation of protein quality and protein sufficiency in different populations. The database should be a living document and align with national food compositional databases.
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Affiliation(s)
- Daniel Tome
- Université Paris-Saclay, AgroParisTech, France.
| | - Maria Xipsiti
- Food and Nutrition Division, Food and Agriculture Organization of the United Nations, Rome, Italy
| | - Shruti P Shertukde
- Nutritional and Health Related Environmental Studies Section, Division of Human Health, International Atomic Energy Agency, Vienna, Austria
| | - Juliane Calvez
- Université Paris-Saclay, AgroParisTech, INRAE, UMR PNCA, Paris, France
| | - Dafni Vasilopoulou
- Food and Nutrition Division, Food and Agriculture Organization of the United Nations, Rome, Italy
| | - Ramani Wijesinha-Bettoni
- Food and Nutrition Division, Food and Agriculture Organization of the United Nations, Rome, Italy
| | - Victor O Owino
- Nutritional and Health Related Environmental Studies Section, Division of Human Health, International Atomic Energy Agency, Vienna, Austria
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37
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Moonaisur N, Marx‐Pienaar N, de Kock HL. Plant-based meat alternatives in South Africa: An analysis of products on supermarket shelves. Food Sci Nutr 2024; 12:627-637. [PMID: 38268893 PMCID: PMC10804093 DOI: 10.1002/fsn3.3765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/19/2023] [Accepted: 09/27/2023] [Indexed: 01/26/2024] Open
Abstract
All over the world, the development of products that resemble meat but contain predominantly plant-sourced ingredients is a prime focus. Meat obtained by rearing animals is associated with a range of important issues related to the sustainability of the planet. Locally, the topic is trending and the cause of various debates among industry role players. This study aimed to explore and analyze plant-based meat alternative (PBMA) products in the South African retail market as well as review internal (nutritional content and ingredients) and external (country of origin, cost/kg, and label claims) factors of the products. This study also compared the nutritional content of PBMA and comparative meat products. Seventy-eight PBMA products were included: plant-based sausages (n = 23), burgers (n = 31), chicken-style (n = 11), mince (n = 8), and an "other" (n = 5) category providing for a variety of product lines. Information from product packaging (total fat, saturated fat, fiber, protein, sugar, sodium, carbohydrates, and energy density) was extracted for all PBMA (n = 78) and comparative meat product lines (n = 28). Meat products tended to be comparatively higher in saturated fat, while PBMAs were higher in carbohydrate, sugar, and dietary fiber content. Sodium content of plant-based mince was approximately five times higher than beef mince. On-pack claims for PBMAs included vegetarian/vegan/plant based (80% of products), high in/source of protein (48%), containing no genetically modified organisms (GMOs; 16%), and gluten free (26%). The plant protein trend has prompted innovation in PBMAs, however, wide nutrient ranges and higher sodium levels highlight the importance of nutrition guidelines for their development to ensure healthier product offerings to consumers. The findings of this study may assist in exploration of consumers' preferences/attitudes or engagement with PBMA products, which could, in turn, guide new product development within the category. However, information about possible barriers, drivers, consumer expectations, and attitudes toward these products is also required.
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Affiliation(s)
- Nishanie Moonaisur
- Department of Consumer and Food SciencesUniversity of PretoriaPretoriaSouth Africa
| | - Nadene Marx‐Pienaar
- Department of Consumer and Food SciencesUniversity of PretoriaPretoriaSouth Africa
| | - Henrietta L. de Kock
- Department of Consumer and Food SciencesUniversity of PretoriaPretoriaSouth Africa
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Ren Y, Lu A, Wang B, Wang C. Nutritional Intervention Improves Muscle Mass and Physical Performance in the Elderly in the Community: A Systematic Review and Meta-Analysis. Life (Basel) 2023; 14:70. [PMID: 38255685 PMCID: PMC10817341 DOI: 10.3390/life14010070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/27/2023] [Accepted: 12/28/2023] [Indexed: 01/24/2024] Open
Abstract
Nutritional supplements have been extensively used as health interventions for the elderly. However, with the spread of COVID-19, no consensus exists on whether nutritional interventions could improve muscle mass and physical activity in community-dwelling older adults. To conduct a systematic review and meta-analysis to explore the effects of different nutritional interventions on muscle mass and physical performance in the elderly, we searched PubMed, Web of Science, Elsevier, and Cochrane databases from their founding dates to December 2023. The meta-analysis was performed using RevMan5.3 software. Only randomized controlled trials (RCTs) were considered, and the overall mean difference (MD) or standardized mean difference (SMD) with 95% confidence interval (CI) was calculated. There were 33 studies comprising 3579 elderly persons meeting the inclusion criteria. Comprehensive analysis suggested that the intervention effect of fat-free mass (FFM), appendix skeletal muscle mass (ASMM), handgrip strength (HGS), gait speed, and short physical performance battery (SPPB) score was higher in the nutritional supplement group than in the control group. The results of subgroup analysis demonstrated that protein supplementation (SMD = 0.82, p < 0.0001) had an optimal effect on ASMM (SMD = 0.89, p < 0.0001) and FFM (MD = 2.09, p < 0.0001) in the elderly. Vitamin D supplementation (SMD = 0.52, p < 0.0001) had a marginal effect on ASMM, and energy supplementation (SMD = 0.39, p = 0.0005) had the lowest effect. Moreover, nutritional interventions had the most significant impact on HGS (MD = 1.06, p < 0.0001) and TUG (MD = 0.14, p < 0.0001) in individuals aged 65-75 years old, with positive effects on FFM (MD = 1.62, p < 0.0001) and HGS (MD = 0.82, p < 0.0001) when compared to healthy elderly individuals, and had greater effect on ASMM (SMD = 0.69, p < 0.0001) than on the elderly with sarcopenia. Nutritional supplements can enhance muscle mass and physical performance in the elderly, while protein is recommended for muscle function. The golden period for implementing nutritional interventions to improve muscle function is before the age of 75 years. However, the impact of nutritional interventions varies with age and population. Given the limited evidence on nutritional interventions, more detailed and high-quality studies are highly warranted in the future.
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Affiliation(s)
| | | | | | - Cenyi Wang
- School of Physical Education and Sports Science, Soochow University, Suzhou 215006, China
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Saeed F, Afzaal M, Khalid A, Shah YA, Ateeq H, Islam F, Akram N, Ejaz A, Nayik GA, Shah MA. Role of mycoprotein as a non-meat protein in food security and sustainability: a review. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2023. [DOI: 10.1080/10942912.2023.2178456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Affiliation(s)
- Farhan Saeed
- Department of Food Science, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Afzaal
- Department of Food Science, Government College University Faisalabad, Faisalabad, Pakistan
| | - Armghan Khalid
- Department of Food Science, Government College University Faisalabad, Faisalabad, Pakistan
| | - Yasir Abbas Shah
- Department of Food Science, Government College University Faisalabad, Faisalabad, Pakistan
| | - Huda Ateeq
- Department of Food Science, Government College University Faisalabad, Faisalabad, Pakistan
| | - Fakhar Islam
- Department of Food Science, Government College University Faisalabad, Faisalabad, Pakistan
| | - Noor Akram
- Department of Food and Nutrition, Government College University Faisalabad, Faisalabad, Pakistan
| | - Afaf Ejaz
- Department of Food Science, Government College University Faisalabad, Faisalabad, Pakistan
| | - Gulzar Ahmad Nayik
- Department of Food Science and Technology, Government Degree College Shopian, Jammu and Kashmir, India
| | - Mohd Asif Shah
- Department of Economics, Kebri Dehar University, Jigjiga, Ethiopia
- Division of Research and Development, Lovely Professional University, Phagwara, India
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40
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Patel V, Aggarwal K, Dhawan A, Singh B, Shah P, Sawhney A, Jain R. Protein supplementation: the double-edged sword. Proc AMIA Symp 2023; 37:118-126. [PMID: 38174000 PMCID: PMC10761008 DOI: 10.1080/08998280.2023.2280417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 10/30/2023] [Indexed: 01/05/2024] Open
Abstract
Protein supplements are widely consumed by athletes as well as young adults and teenagers going to the gym and are an excellent source to increase protein intake, build muscle mass, and enhance recovery. They are available in the form of powders, gummies, protein bars, and ready-to-drink shakes and have been shown to have effects on almost every system in the body. Subjects consuming whey protein-based supplements regularly show significantly lower systolic blood pressure, while subjects who consume soy-based protein supplements have been reported to show a significant decrease in their systolic and diastolic blood pressures. Favorable effects of soy protein consumption have been observed on the serum lipid profile, with significant decreases in serum low-density lipoprotein and triglyceride levels. Lower postprandial glucose levels have been observed in diabetic subjects as well, which can be attributed to the lower glycemic index of these supplements. This can lead to an indirect decrease in diabetes-related complications. While these supplements affect the body positively, caution has to be exercised while consuming them in excess, as they have been shown to cause hyperfiltration and increased urinary calcium excretion which can, in turn, lead to chronic kidney disease development. This article focuses on the effects of protein supplementation on the human body, with emphasis on the cardiovascular, endocrine, and renal systems.
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Affiliation(s)
- Vishw Patel
- Department of Medicine, Pandit Deendayal Upadhyay Government Medical College, Rajkot, India
| | - Kanishk Aggarwal
- Department of Medicine, Dayanand Medical College and Hospital, Ludhiana, Punjab, India
| | - Ashish Dhawan
- Department of Medicine, Gian Sagar Medical College and Hospital, Punjab, India
| | - Bhupinder Singh
- Department of Medicine, Government Medical College, Amritsar, India
| | - Priyanshi Shah
- Department of Medicine, Narendra Modi Medical College, Ahmedabad, India
| | - Aanchal Sawhney
- Department of Internal Medicine, Crozer Chester Medical Center, Upland, Pennsylvania, USA
| | - Rohit Jain
- Department of Medicine, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania, USA
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Peng M, Wang G, Zhu S. Cold-stored mulberry leaves affect antioxidant system and silk proteins of silkworm (Bombyx mori) larva. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:7673-7682. [PMID: 37431698 DOI: 10.1002/jsfa.12849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 06/16/2023] [Accepted: 07/11/2023] [Indexed: 07/12/2023]
Abstract
BACKGROUND Cold storage has been widely used to maintain the quality of vegetables, but whether eating cold-stored vegetables affects health remains unknown. RESULTS This study used silkworms as an animal model to evaluate the effects of nutrient changes in cold-stored mulberry leaves (CSML) on health. Compared with fresh mulberry leaves (FML), CSML contained lower vitamin C, soluble sugars and proteins, and higher H2 O2 , suggesting decreased antioxidant ability and nutrition. The CSML did not obviously affect larval survival rate, body weight or dry matter rate, cocoon shape, weight and size, or final rates of cluster and cocooning relative to the FML, suggesting CSML did not alter overall growth and development. However, the CSML increased the initial rates of cluster and cocooning and upregulated BmRpd3, suggesting CSML shortened larval lifespan and enhanced senescence. CSML upregulated BmNOX4, downregulated BmCAT, BmSOD and BmGSH-Px and increased H2 O2 in silkworms, suggesting CSML caused oxidative stress. CSML upregulated ecdysone biosynthesis and inactivation genes and elevated ecdysone concentration in silkworms, suggesting that CSML affected hormone homeostasis. CSML upregulated apoptosis-related genes, downregulated sericin and silk fibroin genes and decreased sericin content rate in silkworms, suggesting oxidative stress and protein deficiency. CONCLUSION Cold storage reduced nutrition and antioxidant capability of mulberry leaves. CSML did not influence growth and development of silkworm larva, but affected health by causing oxidative stress and reducing protein synthesis. The findings show that the ingredient changes in CSML had negative effects on health of silkworms. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Miaomiao Peng
- Guangdong Provincial Key Laboratory of Postharvest Science of Fruits and Vegetables, Engineering Research Center of Southern Horticultural Products Preservation, Ministry of Education, College of Horticulture, South China Agricultural University, Guangzhou, China
| | - Guang Wang
- Guangdong Provincial Key Laboratory of Postharvest Science of Fruits and Vegetables, Engineering Research Center of Southern Horticultural Products Preservation, Ministry of Education, College of Horticulture, South China Agricultural University, Guangzhou, China
| | - Shijiang Zhu
- Guangdong Provincial Key Laboratory of Postharvest Science of Fruits and Vegetables, Engineering Research Center of Southern Horticultural Products Preservation, Ministry of Education, College of Horticulture, South China Agricultural University, Guangzhou, China
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Johri N, Vengat M, Kumar D, Nagar P, John D, Dutta S, Mittal P. A comprehensive review on the risks assessment and treatment options for Sarcopenia in people with diabetes. J Diabetes Metab Disord 2023; 22:995-1010. [PMID: 37975099 PMCID: PMC10638272 DOI: 10.1007/s40200-023-01262-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 07/03/2023] [Indexed: 11/19/2023]
Abstract
Objectives This comprehensive review aims to examine the reciprocal interplay between Type 2 diabetes mellitus (T2DM) and sarcopenia, identify prevailing research gaps, and discuss therapeutic approaches and measures to enhance healthcare practices within hospital settings. Methods A thorough literature review was conducted to gather relevant studies and articles on the relationship between T2DM and sarcopenia. Various databases were searched, including Google Scholar, PubMed, Scopus, and Science Direct databases. The search terms included T2DM, sarcopenia, inflammation, insulin resistance, advanced glycation end products, oxidative stress, muscle dimensions, muscle strength, muscle performance, aging, nutrition, hormone levels, and physical activity. The collected articles were critically analysed to extract key findings and identify gaps in current research. Results The prevalence and incidence of metabolic and musculoskeletal disorders, notably T2DM and sarcopenia, have surged in recent years. T2DM is marked by inflammation, insulin resistance, accumulation of advanced glycation end products, and oxidative stress, while sarcopenia involves a progressive decline in skeletal muscle mass and function. The review underscores the age-related correlation between sarcopenia and adverse outcomes like fractures, falls, and mortality. Research gaps regarding optimal nutritional interventions for individuals with T2DM and sarcopenia are identified, emphasizing the necessity for further investigation in this area. Conclusions The reciprocal interplay between T2DM and sarcopenia holds significant importance. Further research is warranted to address knowledge gaps, particularly in utilizing precise measurement tools during clinical trials. Lifestyle modifications appear beneficial for individuals with T2DM and sarcopenia. Additionally, practical nutritional interventions require investigation to optimize healthcare practices in hospital settings. Supplementary Information The online version contains supplementary material available at 10.1007/s40200-023-01262-w.
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Affiliation(s)
- Nishant Johri
- Department of Pharmacy Practice, Teerthanker Mahaveer College of Pharmacy, Moradabad, Uttar Pradesh India
| | | | - Deepanshu Kumar
- Department of Pharmacy Practice, Teerthanker Mahaveer College of Pharmacy, Moradabad, Uttar Pradesh India
| | - Priya Nagar
- Department of Pharmacy Practice, Teerthanker Mahaveer College of Pharmacy, Moradabad, Uttar Pradesh India
| | - Davis John
- Department of Pharmacy Practice, Teerthanker Mahaveer College of Pharmacy, Moradabad, Uttar Pradesh India
| | - Shubham Dutta
- Department of Pharmacy Practice, Teerthanker Mahaveer College of Pharmacy, Moradabad, Uttar Pradesh India
| | - Piyush Mittal
- Department of Pharmacy Practice, Teerthanker Mahaveer College of Pharmacy, Moradabad, Uttar Pradesh India
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Yildirim Borazan F, Citar Daziroglu ME, Erdogan Govez N, Acar-Tek N, Varan HD. The relationship between the quantity and type of macronutrients in diet and frailty in older outpatients. Aging Clin Exp Res 2023; 35:3033-3040. [PMID: 37930590 DOI: 10.1007/s40520-023-02599-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/17/2023] [Indexed: 11/07/2023]
Abstract
BACKGROUND AND AIM The aim of this study is to determine the relationship between the quantity and type of macronutrients in the diet and frailty. MATERIAL AND METHODS A total of 106 patients were included in the study. Exclusion criteria included patients with pacemakers, edema, advanced dementia, acute infectious and inflammatory disease, and those using oral or enteral nutritional supplements. Frailty was assessed using the Fried Frailty Phenotype. Three-day dietary records were taken, 2 days on weekdays and 1 day on weekends. The Nutrition Information System (BeBis) 8.2 full version program was used to analyze the average energy and nutrient values of the consumed foods. Insufficient protein and energy intake were defined as taking less than 1 or 1.2 g/kg/day for protein and less than 30 kcal/kg/day for energy, respectively. RESULTS The mean age of the participants was 74.3 (± 6.75), and 68.9% (n = 73) of them were women. 26.4% (n = 28) of the patients were classified as frail. There was no difference between the energy consumption of < 30 kcal/kg/day in the frail and non-frail groups. Protein consumption of less than 1.2 g/kg/day had a significant relationship with frailty. There was no significant difference between the consumed plant/animal protein ratio and frailty, but plant protein, polyunsaturated fatty acids, and fiber intake were significantly lower in frail patients. Decreased consumption of polyunsaturated fatty acids (PUFAs), advanced age, and increased number of medications were identified as independently associated factors with frailty. CONCLUSION This study found that frailty was associated with less than 1.2 g/kg/day protein consumption, lower fiber, and PUFA consumption.
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Affiliation(s)
- Funda Yildirim Borazan
- Faculty of Medicine, Department of Internal Medicine, Division of Geriatrics, Gazi University, Ankara, 06500, Turkey.
| | | | - Nazlican Erdogan Govez
- Faculty of Health Sciences, Department of Nutrition and Dietetics, Gazi University, Ankara, Turkey
| | - Nilufer Acar-Tek
- Faculty of Health Sciences, Department of Nutrition and Dietetics, Gazi University, Ankara, Turkey
| | - Hacer Dogan Varan
- Faculty of Medicine, Department of Internal Medicine, Division of Geriatrics, Gazi University, Ankara, 06500, Turkey
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Webster J, Dalla Via J, Langley C, Smith C, Sale C, Sim M. Nutritional strategies to optimise musculoskeletal health for fall and fracture prevention: Looking beyond calcium, vitamin D and protein. Bone Rep 2023; 19:101684. [PMID: 38163013 PMCID: PMC10757289 DOI: 10.1016/j.bonr.2023.101684] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/20/2023] [Accepted: 05/04/2023] [Indexed: 01/03/2024] Open
Abstract
Falls and osteoporotic fractures are a major public health problem, particularly among older adults. A third of individuals aged 65 years and over fall at least once each year, with up to 20 % of these resulting in serious injury, including fracture. In conjunction with regular exercise, the importance of diet for musculoskeletal health has largely focused upon calcium, vitamin D, and protein, particularly in the context of preventing falls and fractures. Whilst there is evidence for the benefits of these nutrients for musculoskeletal health, other aspects of the diet remain largely underexplored. For example, vegetables are rich sources of macro- and micronutrients that are essential for muscle function and bone health, which are key factors in the prevention of falls and fractures. Recent work has highlighted the importance of nutrients such as vegetable-derived nitrate and vitamin K1 in optimising muscle strength, physical function, and bone quality. In the context of dietary patterns, vegan/plant-based diets have recently gained popularity due to perceived health benefits, animal welfare, or to tackle climate change. The elimination and/or substitution of animal-based products for plant foods (without careful planning and/or expert dietary guidance) could, however, have long-term negative musculoskeletal consequences; a trend uncovered by recent evidence. Within the overarching theme of nutrition for fall and fracture prevention in older populations, the aim of this review is to (i) summarise the current evidence for calcium, vitamin D and protein; (ii) describe the importance of vegetables and selected nutrients, such as nitrate and vitamin K1, for muscle function and bone structural integrity; and (iii) highlight current evidence around different dietary patterns (e.g., plant-based, diet quality, data driven approaches) and their impact on musculoskeletal health.
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Affiliation(s)
- James Webster
- Nutritional Epidemiology Group, School of Food Science and Nutrition, University of Leeds, Leeds, United Kingdom
| | - Jack Dalla Via
- Nutrition and Health Innovation Research Institute, School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
| | - Christina Langley
- Institute of Sport, Manchester Metropolitan University, Manchester, United Kingdom
| | - Cassandra Smith
- Nutrition and Health Innovation Research Institute, School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
| | - Craig Sale
- Institute of Sport, Manchester Metropolitan University, Manchester, United Kingdom
| | - Marc Sim
- Nutrition and Health Innovation Research Institute, School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
- Medical School, The University of Western Australia, Perth, Western Australia, Australia
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van der Heijden I, West S, Monteyne AJ, Finnigan TJA, Abdelrahman DR, Murton AJ, Stephens FB, Wall BT. Algae Ingestion Increases Resting and Exercised Myofibrillar Protein Synthesis Rates to a Similar Extent as Mycoprotein in Young Adults. J Nutr 2023; 153:3406-3417. [PMID: 37716611 PMCID: PMC10739781 DOI: 10.1016/j.tjnut.2023.08.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/23/2023] [Accepted: 08/31/2023] [Indexed: 09/18/2023] Open
Abstract
BACKGROUND Spirulina [SPIR] (cyanobacterium) and chlorella [CHLO] (microalgae) are foods rich in protein and essential amino acids; however, their capacity to stimulate myofibrillar protein synthesis (MyoPS) in humans remains unknown. OBJECTIVES We assessed the impact of ingesting SPIR and CHLO compared with an established high-quality nonanimal-derived dietary protein source (fungal-derived mycoprotein [MYCO]) on plasma amino acid concentrations, as well as resting and postexercise MyoPS rates in young adults. METHODS Thirty-six healthy young adults (age: 22 ± 3 y; BMI: 23 ± 3 kg·m-2; male [m]/female [f], 18/18) participated in a randomized, double-blind, parallel-group trial. Participants received a primed, continuous infusion of L-[ring-2H5]-phenylalanine and completed a bout of unilateral-resistance leg exercise before ingesting a drink containing 25 g protein from MYCO (n = 12; m/f, 6/6), SPIR (n = 12; m/f, 6/6), or CHLO (n = 12; m/f, 6/6). Blood and bilateral muscle samples were collected at baseline and during a 4-h postprandial and postexercise period to assess the plasma amino acid concentrations and MyoPS rates in rested and exercised tissue. RESULTS Protein ingestion increased the plasma total and essential amino acid concentrations (time effects; all P < 0.001), but most rapidly and with higher peak responses following the ingestion of SPIR compared with MYCO and CHLO (P < 0.05), and MYCO compared with CHLO (P < 0.05). Protein ingestion increased MyoPS rates (time effect; P < 0.001) in both rested (MYCO, from 0.041 ± 0.032 to 0.060 ± 0.015%·h-1; SPIR, from 0.042 ± 0.030 to 0.066 ± 0.022%·h-1; and CHLO, from 0.037 ± 0.007 to 0.055 ± 0.019%·h-1, respectively) and exercised tissue (MYCO, from 0.046 ± 0.014 to 0.092 ± 0.024%·h-1; SPIR, from 0.038 ± 0.011 to 0.086 ± 0.028%·h-1; and CHLO, from 0.048 ± 0.019 to 0.090 ± 0.024%·h-1, respectively), with no differences between groups (interaction effect; P > 0.05), but with higher rates in exercised compared with rested muscle (time × exercise effect; P < 0.001). CONCLUSIONS The ingestion of a single bolus of algae-derived SPIR and CHLO increases resting and postexercise MyoPS rates to a comparable extent as MYCO, despite divergent postprandial plasma amino acid responses.
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Affiliation(s)
- Ino van der Heijden
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, University of Exeter, Exeter, United Kingdom
| | - Sam West
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, University of Exeter, Exeter, United Kingdom
| | - Alistair J Monteyne
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, University of Exeter, Exeter, United Kingdom
| | | | - Doaa R Abdelrahman
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, United States; Sealy Center on Aging, University of Texas Medical Branch, Galveston, TX, United States
| | - Andrew J Murton
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, United States; Sealy Center on Aging, University of Texas Medical Branch, Galveston, TX, United States
| | - Francis B Stephens
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, University of Exeter, Exeter, United Kingdom
| | - Benjamin T Wall
- Department of Public Health and Sport Sciences, Faculty of Health and Life Sciences, University of Exeter, Exeter, United Kingdom.
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Coffey AA, Lillywhite R, Oyebode O. Meat versus meat alternatives: which is better for the environment and health? A nutritional and environmental analysis of animal-based products compared with their plant-based alternatives. J Hum Nutr Diet 2023; 36:2147-2156. [PMID: 37534713 DOI: 10.1111/jhn.13219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 05/31/2023] [Accepted: 07/13/2023] [Indexed: 08/04/2023]
Abstract
BACKGROUND Poor diets lead to negative health outcomes, including increased risk of noncommunicable diseases. Food systems, most notably agriculture, contribute to greenhouse gas emissions (GHGE) that lead to climate change. Meat consumption plays a role in both health and environmental burden. Consumption of meat alternatives may reduce these harms. The aim was to compare meat products and their plant-based alternatives on nutritional parameters, GHGE and price to examine if it is feasible and beneficial for policymakers and health professionals to recommend meat alternatives. METHODS Data on nutritional information and cost for 99 selected products were collected from five UK supermarkets. Estimates for GHGEs for 97 of these products were found through secondary articles. Median values for nutritional value, GHGE (kgCO2 e) and price per 100 g were calculated to allow comparisons between meat products and their alternatives. Mann-Whitney U tests were used to look for significant differences for each nutrient, emissions and price. RESULTS Meat alternatives contained significantly more fibre and sugar and were significantly higher in price compared to the equivalent meat products. Meat alternatives had a significantly lower number of calories, saturated fat, protein and kgCO2 e than meat products. There was no significant difference in the amount of salt between meat and meat alternatives. CONCLUSIONS Overall, this paper found that meat alternatives are likely to be better for health according to most parameters, while also being more environmentally friendly, with lower GHGEs. However, the higher price of these products may be a barrier to switching to meat alternatives for the poorest in society.
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Affiliation(s)
- Alice A Coffey
- Department of Public Health, University of Warwick Medical School, Coventry, UK
| | - Robert Lillywhite
- Department of Public Health, University of Warwick School of Life Sciences, Coventry, UK
| | - Oyinlola Oyebode
- Department of Public Health, University of Warwick Medical School, Coventry, UK
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Andrade JM, Parker JR. Protein Consumption and Dialysis. J Ren Nutr 2023; 33:e1-e4. [PMID: 37634622 DOI: 10.1053/j.jrn.2023.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 08/13/2023] [Indexed: 08/29/2023] Open
Affiliation(s)
- Jeanette M Andrade
- Assistant Professor, Food Science and Human Nutrition Department, University of Florida, Gainesville, Florida.
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Añazco C, Ojeda PG, Guerrero-Wyss M. Common Beans as a Source of Amino Acids and Cofactors for Collagen Biosynthesis. Nutrients 2023; 15:4561. [PMID: 37960212 PMCID: PMC10649776 DOI: 10.3390/nu15214561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/21/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023] Open
Abstract
Common beans (Phaseolus vulgaris L.) are widely consumed in diets all over the world and have a significant impact on human health. Proteins, vitamins, minerals, phytochemicals, and other micro- and macronutrients are abundant in these legumes. On the other hand, collagens, the most important constituent of extracellular matrices, account for approximately 25-30 percent of the overall total protein composition within the human body. Hence, the presence of amino acids and other dietary components, including glycine, proline, and lysine, which are constituents of the primary structure of the protein, is required for collagen formation. In this particular context, protein quality is associated with the availability of macronutrients such as the essential amino acid lysine, which can be acquired from meals containing beans. Lysine plays a critical role in the process of post-translational modifications facilitated with enzymes lysyl hydroxylase and lysyl oxidase, which are directly involved in the synthesis and maturation of collagens. Furthermore, collagen biogenesis is influenced by the cellular redox state, which includes important minerals and bioactive chemicals such as iron, copper, and certain quinone cofactors. This study provides a novel perspective on the significant macro- and micronutrients present in Phaseolus vulgaris L., as well as explores the potential application of amino acids and cofactors derived from this legume in the production of collagens and bioavailability. The utilization of macro- and micronutrients obtained from Phaseolus vulgaris L. as a protein source, minerals, and natural bioactive compounds could optimize the capacity to promote the development and durability of collagen macromolecules within the human body.
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Affiliation(s)
- Carolina Añazco
- Laboratorio de Bioquímica Nutricional, Escuela de Nutrición y Dietética, Carrera de Nutrición y Dietética, Facultad de Ciencias para el Cuidado de la Salud, Universidad San Sebastián, General Lagos #1190, Valdivia 5110773, Chile
| | - Paola G. Ojeda
- Instituto de Ciencias Aplicadas, Universidad Autónoma de Chile, Talca 3460000, Chile;
| | - Marion Guerrero-Wyss
- Laboratorio de Bioquímica Nutricional, Escuela de Nutrición y Dietética, Carrera de Nutrición y Dietética, Facultad de Ciencias para el Cuidado de la Salud, Universidad San Sebastián, General Lagos #1190, Valdivia 5110773, Chile
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Morgan PT, Witard OC, Højfeldt G, Church DD, Breen L. Dietary protein recommendations to support healthy muscle ageing in the 21st century and beyond: considerations and future directions. Proc Nutr Soc 2023:1-14. [PMID: 37818636 DOI: 10.1017/s0029665123003750] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/12/2023]
Abstract
This review explores the evolution of dietary protein intake requirements and recommendations, with a focus on skeletal muscle remodelling to support healthy ageing based on presentations at the 2023 Nutrition Society summer conference. In this review, we describe the role of dietary protein for metabolic health and ageing muscle, explain the origins of protein and amino acid (AA) requirements and discuss current recommendations for dietary protein intake, which currently sits at about 0⋅8 g/kg/d. We also critique existing (e.g. nitrogen balance) and contemporary (e.g. indicator AA oxidation) methods to determine protein/AA intake requirements and suggest that existing methods may underestimate requirements, with more contemporary assessments indicating protein recommendations may need to be increased to >1⋅0 g/kg/d. One example of evolution in dietary protein guidance is the transition from protein requirements to recommendations. Hence, we discuss the refinement of protein/AA requirements for skeletal muscle maintenance with advanced age beyond simply the dose (e.g. source, type, quality, timing, pattern, nutrient co-ingestion) and explore the efficacy and sustainability of alternative protein sources beyond animal-based proteins to facilitate skeletal muscle remodelling in older age. We conclude that, whilst a growing body of research has demonstrated that animal-free protein sources can effectively stimulate and support muscle remodelling in a manner that is comparable to animal-based proteins, food systems need to sustainably provide a diversity of both plant and animal source foods, not least for their protein content but other vital nutrients. Finally, we propose some priority research directions for the field of protein nutrition and healthy ageing.
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Affiliation(s)
- Paul T Morgan
- Department of Sport and Exercise Sciences, Institute of Sport, Manchester Metropolitan University, 99 Oxford Road, Manchester M1 7EL, UK
| | - Oliver C Witard
- Centre for Human and Applied Physiological Sciences, Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Grith Højfeldt
- Department of Orthopedic Surgery, Institute of Sports Medicine Copenhagen, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
- Department of Biomedical Sciences, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Center for Healthy Aging, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - David D Church
- Department of Geriatrics, Donald W. Reynolds Institute on Aging, Center for Translational Research in Aging and Longevity, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Leigh Breen
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
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50
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Shannon CE, Ní Chathail MB, Mullin SM, Meehan A, McGillicuddy FC, Roche HM. Precision nutrition for targeting pathophysiology of cardiometabolic phenotypes. Rev Endocr Metab Disord 2023; 24:921-936. [PMID: 37402955 PMCID: PMC10492734 DOI: 10.1007/s11154-023-09821-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/22/2023] [Indexed: 07/06/2023]
Abstract
Obesity is a heterogenous disease accompanied by a broad spectrum of cardiometabolic risk profiles. Traditional paradigms for dietary weight management do not address biological heterogeneity between individuals and have catastrophically failed to combat the global pandemic of obesity-related diseases. Nutritional strategies that extend beyond basic weight management to instead target patient-specific pathophysiology are warranted. In this narrative review, we provide an overview of the tissue-level pathophysiological processes that drive patient heterogeneity to shape distinct cardiometabolic phenotypes in obesity. Specifically, we discuss how divergent physiology and postprandial phenotypes can reveal key metabolic defects within adipose, liver, or skeletal muscle, as well as the integrative involvement of the gut microbiome and the innate immune system. Finally, we highlight potential precision nutritional approaches to target these pathways and discuss recent translational evidence concerning the efficacy of such tailored dietary interventions for different obesity phenotypes, to optimise cardiometabolic benefits.
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Affiliation(s)
- Christopher E Shannon
- Nutrigenomics Research Group, UCD Conway Institute, and Institute of Food and Health, School of Public Health, Physiotherapy and Sports Science, University College Dublin, Dublin, Republic of Ireland
- School of Medicine, University College Dublin, Dublin, Republic of Ireland
- Division of Diabetes, Department of Medicine, UT Health San Antonio, San Antonio, TX, USA
| | - Méabh B Ní Chathail
- Nutrigenomics Research Group, UCD Conway Institute, and Institute of Food and Health, School of Public Health, Physiotherapy and Sports Science, University College Dublin, Dublin, Republic of Ireland
| | - Sinéad M Mullin
- Nutrigenomics Research Group, UCD Conway Institute, and Institute of Food and Health, School of Public Health, Physiotherapy and Sports Science, University College Dublin, Dublin, Republic of Ireland
| | - Andrew Meehan
- School of Medicine, University College Dublin, Dublin, Republic of Ireland
| | | | - Helen M Roche
- Nutrigenomics Research Group, UCD Conway Institute, and Institute of Food and Health, School of Public Health, Physiotherapy and Sports Science, University College Dublin, Dublin, Republic of Ireland.
- Institute for Global Food Security, Queen's University Belfast, Belfast, Northern Ireland.
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