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Yakubu AH, Platts K, Sorsby AC, Clegg ME, Paxman JR. A content analysis of the European food safety Authority’s scientific opinion on authorised and rejected appetite-related health claim applications. J Funct Foods 2023. [DOI: 10.1016/j.jff.2023.105471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2023] Open
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Rakha A, Mehak F, Shabbir MA, Arslan M, Ranjha MMAN, Ahmed W, Socol CT, Rusu AV, Hassoun A, Aadil RM. Insights into the constellating drivers of satiety impacting dietary patterns and lifestyle. Front Nutr 2022; 9:1002619. [PMID: 36225863 PMCID: PMC9549911 DOI: 10.3389/fnut.2022.1002619] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 08/30/2022] [Indexed: 11/13/2022] Open
Abstract
Food intake and body weight regulation are of special interest for meeting today's lifestyle essential requirements. Since balanced energy intake and expenditure are crucial for healthy living, high levels of energy intake are associated with obesity. Hence, regulation of energy intake occurs through short- and long-term signals as complex central and peripheral physiological signals control food intake. This work aims to explore and compile the main factors influencing satiating efficiency of foods by updating recent knowledge to point out new perspectives on the potential drivers of satiety interfering with food intake regulation. Human internal factors such as genetics, gender, age, nutritional status, gastrointestinal satiety signals, gut enzymes, gastric emptying rate, gut microbiota, individual behavioral response to foods, sleep and circadian rhythms are likely to be important in determining satiety. Besides, the external factors (environmental and behavioral) impacting satiety efficiency are highlighted. Based on mechanisms related to food consumption and dietary patterns several physical, physiological, and psychological factors affect satiety or satiation. A complex network of endocrine and neuroendocrine mechanisms controls the satiety pathways. In response to food intake and other behavioral cues, gut signals enable endocrine systems to target the brain. Intestinal and gastric signals interact with neural pathways in the central nervous system to halt eating or induce satiety. Moreover, complex food composition and structures result in considerable variation in satiety responses for different food groups. A better understanding of foods and factors impacting the efficiency of satiety could be helpful in making smart food choices and dietary recommendations for a healthy lifestyle based on updated scientific evidence.
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Affiliation(s)
- Allah Rakha
- National Institute of Food Science and Technology, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Fakiha Mehak
- National Institute of Food Science and Technology, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Muhammad Asim Shabbir
- National Institute of Food Science and Technology, University of Agriculture Faisalabad, Faisalabad, Pakistan
- *Correspondence: Muhammad Asim Shabbir
| | - Muhammad Arslan
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | | | - Waqar Ahmed
- National Institute of Food Science and Technology, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | | | - Alexandru Vasile Rusu
- Life Science Institute, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Cluj-Napoca, Romania
- Faculty of Animal Science and Biotechnology, University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Cluj-Napoca, Romania
- Alexandru Vasile Rusu
| | - Abdo Hassoun
- Univ. Littoral Côte d'Opale, UMRt 1158 BioEcoAgro, USC ANSES, INRAe, Univ. Artois, Univ. Lille, Univ. Picardie Jules Verne, Univ. Liège, Junia, F-62200, Boulogne-sur-Mer, France
- Sustainable AgriFoodtech Innovation & Research (SAFIR), Arras, France
| | - Rana Muhammad Aadil
- National Institute of Food Science and Technology, University of Agriculture Faisalabad, Faisalabad, Pakistan
- Rana Muhammad Aadil
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Stockton A, Al-Dujaili EAS. Effect of Pomegranate Extract Consumption on Satiety Parameters in Healthy Volunteers: A Preliminary Randomized Study. Foods 2022; 11:foods11172639. [PMID: 36076824 PMCID: PMC9455635 DOI: 10.3390/foods11172639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/13/2022] [Accepted: 08/22/2022] [Indexed: 11/16/2022] Open
Abstract
There has been an increasing interest in nutraceuticals and functional foods in reducing appetite and to lose weight. We assessed the effect of oral pomegranate extract (PE) and PE juice (PJ) intake vs. placebo on satiety parameters in healthy volunteers. Twenty-eight subjects (mean age 34.5 ± 13.7 years, body mass index [BMI] 25.05 ± 3.91 kg/m2) were randomized to 3-week priming supplementation with PE (Pomanox®) or placebo. On week 3, satiety parameters were determined on 1 testing day after participants ingested a breakfast and a lunch meal with PJ juice, using 100-mm visual acuity scales (VAS) for hunger, desire to eat, fullness and satisfaction. Meal quality and palatability were also tested. The desire to eat was less at all time points in the PJ juice with PE priming group and participants were also less hungry (p = 0.044) than those who consumed placebo. There was an overall significant difference between the groups (p < 0.001). Participants in the PJ juice with PE priming group experienced significantly greater satisfaction (p = 0.036) and feeling of fullness (p = 0.02) than those in the placebo group. These findings suggest that consumption of PE could have the potential to modulate satiety indicators.
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Affiliation(s)
- Angela Stockton
- Dietetics, Nutrition and Biological Sciences, Queen Margaret University, Edinburgh EH16 4TJ, UK
| | - Emad A. S. Al-Dujaili
- Centre for Cardiovascular Science, Queen’s Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
- Correspondence: ; Tel.: +44-131-2426777
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Esmaeili M, Ajami M, Barati M, Javanmardi F, Houshiarrad A, Mousavi Khaneghah A. The significance and potential of functional food ingredients for control appetite and food intake. Food Sci Nutr 2022; 10:1602-1612. [PMID: 35592279 PMCID: PMC9094468 DOI: 10.1002/fsn3.2783] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 01/23/2022] [Accepted: 01/29/2022] [Indexed: 12/18/2022] Open
Abstract
Dramatically rising global levels of obesity have raised consumers’ commercial and public health interest in foods that may help control appetite and weight. The satiety cascade consists of sensory, cognitive, physical, and hormonal events following food intake, preventing overeating, and the desire to eat for a long time. Functional foods can be one of the most influential factors in reducing appetite as long as effective ingredients, such as fiber and protein, are used to design these products. Also, functional foods should be designed to reduce appetite at different levels of oral processing, stomach, small intestine, and large intestine by various mechanisms. Therefore, the satiety power of functional foods depends on the type of ingredients and their amount. Because each compound has a different mechanism of action, it is recommended to use different compounds to influence satiety in functional foods.
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Affiliation(s)
- Mina Esmaeili
- Department of Nutrition Research National Nutrition and Food Technology Research Institute/School of Nutrition Sciences and Food Technology Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Marjan Ajami
- Department of Food and Nutrition Policy and Planning National Nutrition and Food Technology Research Institute School of Nutrition Sciences and Food Technology Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Meisam Barati
- Department of Cellular and Molecular Nutrition Faculty of Nutrition and Food Technology National Nutrition and Food Technology Research Institute Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Fardin Javanmardi
- Department of Food Science and Technology National Nutrition and Food Technology Research Institute/School of Nutrition Sciences and Food Technology Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Anahita Houshiarrad
- Department of Nutrition Research National Nutrition and Food Technology Research Institute/School of Nutrition Sciences and Food Technology Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Amin Mousavi Khaneghah
- Department of Food Science and Nutrition Faculty of Food Engineering University of Campinas (UNICAMP) Campinas Brazil
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5
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Viscosity of food influences perceived satiety: a video based online survey. Food Qual Prefer 2022. [DOI: 10.1016/j.foodqual.2022.104565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Hamad S, Tari NR, Mathiyalagan G, Wright AJ. Emulsion acid colloidal stability and droplet crystallinity modulate postprandial gastric emptying and short-term satiety: a randomized, double-blinded, crossover, controlled trial in healthy adult males. Am J Clin Nutr 2021; 114:997-1011. [PMID: 33963742 DOI: 10.1093/ajcn/nqab116] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 03/16/2021] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND Emulsion droplet triacylglycerol (TAG) crystallinity and colloidal stability can alter the postprandial metabolism, although evidence of their interactive effects is limited. OBJECTIVES This acute meal crossover study investigated the influences of droplet TAG crystallinity at 37°C and colloidal gastric stability on gastric emptying (GE), acute lipemia, and satiety. METHODS We gave 15 healthy adult males (mean ± SD age, 24.9 y ± 4.5 y; BMI, 26.0 kg/m2 ± 2.0 kg/m2; fasting TAG, 0.9 mmol/L ± 0.3 mmol/L) 250 mL of four 20% palm stearin or palm olein emulsions with similar particle size distributions and containing partially crystalline droplets that remained stable (SS) or destabilized (SU) or containing liquid droplets that remained stable (LS) or destabilized (LU) when exposed to simulated gastric conditions. Baseline and 6-h postprandial ultrasound gastric antrum measurements, satiety visual analogue scales (VAS), and blood samples for analyses of plasma TAG, peptide YY (PYY), glucagon-like peptide-1 (GLP-1), ghrelin, leptin, glucose-dependent insulinotropic polypeptide, insulin, and glucose were collected. Changes from baseline and incremental area under the curve (iAUC) values were analyzed by repeated-measures ANOVA. RESULTS TAG responses did not differ significantly. The gastric antrum area decreased faster (P ≤ 0.01) after treatment with the acid-unstable emulsions (SU and LU), and satiety VAS ratings and plasma endpoints differed between treatments. After LS treatment, participants had 65% and 59% lower 3-h iAUC values for hunger (P = 0.021) and desire to eat (P = 0.031), respectively, compared to after SU treatment. LS treatment resulted in higher 6-h iAUC values for ghrelin (141%; P = 0.023) and PYY (150%; P = 0.043) compared to SU treatment, and LS treatment also resulted in higher GLP-1 values compared to SU (38%; P = 0.016) and LU (76%; P = 0.001) treatment. CONCLUSION Emulsion acid colloidal stability, independent of TAG physical state, delayed GE, and satiety was enhanced after consuming acid stable emulsions containing TAG in the liquid state. The study was registered at clinicaltrials.gov as NCT03990246.
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Affiliation(s)
- Samar Hamad
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Niloufar Rafiee Tari
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Gajuna Mathiyalagan
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, Ontario, Canada
| | - Amanda J Wright
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, Ontario, Canada
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Stribițcaia E, Gibbons C, Sier J, Boesch C, Blundell J, Finlayson G, Sarkar A. Effects of oral lubrication on satiety, satiation and salivary biomarkers in model foods: A pilot study. Appetite 2021; 165:105427. [PMID: 34051275 DOI: 10.1016/j.appet.2021.105427] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 10/21/2022]
Abstract
With a dramatic increase in overweight and population with obesity over the last decades, there is an imminent need to tackle this issue using novel strategies. Addressing obesity issues by generating satiety in food to reduce energy intake has been one of those prominent strategies and often textural interventions have been used to generate satiety, specifically in short-term trials. This study aimed to investigate the role of preloads varying in their oral lubricating properties on appetite sensations, food intake, salivary friction and concentration of salivary biomarkers (proteins, α-amylase and mucins) in collected human saliva (n = 17 healthy participants). The preloads were model foods (flavoured hydrogels) either high or low in their lubricating properties, assessed both by instrumental and sensorial measurements. The results showed that hunger and desire to eat decreased immediately after preload and remained decreased for 10 and 20 min, respectively, after preload in the high lubricating condition compared to control (all p < 0.05). Fullness increased immediately after preload and remained increased for 10 and 20 min, respectively, after preload in high lubricating condition compared to control (p < 0.05). However, after controlling the values for baseline, such significant effect of the intervention did not exist anymore. Only the effect of time is observed. Consuming high lubricating hydrogels showed no effect on food intake and salivary biomarkers in this pilot study. Salivary lubrication correlated with feeling of fullness. Considering the issue of large time-interval (30 min) between preload and next meal in this study, it is worthwhile investigating the immediate effects of oral lubrication on appetite control, food intake and salivary biomarkers.
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Affiliation(s)
- Ecaterina Stribițcaia
- Food Colloids and Bioprocessing Group, School of Food Science and Nutrition, University of Leeds, Leeds, LS2 9JT, United Kingdom
| | - Catherine Gibbons
- Appetite Control and Energy Balance Research, School of Psychology, University of Leeds, Leeds, LS2 9JT, United Kingdom
| | - Joanna Sier
- Nutritional Sciences & Epidemiology Group, School of Food Science and Nutrition, Faculty of Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom
| | - Christine Boesch
- Nutritional Sciences & Epidemiology Group, School of Food Science and Nutrition, Faculty of Environment, University of Leeds, Leeds, LS2 9JT, United Kingdom
| | - John Blundell
- Appetite Control and Energy Balance Research, School of Psychology, University of Leeds, Leeds, LS2 9JT, United Kingdom
| | - Graham Finlayson
- Appetite Control and Energy Balance Research, School of Psychology, University of Leeds, Leeds, LS2 9JT, United Kingdom
| | - Anwesha Sarkar
- Food Colloids and Bioprocessing Group, School of Food Science and Nutrition, University of Leeds, Leeds, LS2 9JT, United Kingdom.
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Cimino AE, Cowell AC, Nieschwitz NC, Kershaw JC. Subtle sensory and labeling modifications have minimal impact on expected appetitive sensations in chewy bars. Food Res Int 2020; 137:109386. [PMID: 33233088 DOI: 10.1016/j.foodres.2020.109386] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 05/27/2020] [Accepted: 06/02/2020] [Indexed: 11/26/2022]
Abstract
Given the contribution of frequent hunger and overeating to the rising incidence of obesity, strategies to increase the satiating and satiety-inducing properties of snacks and meals are needed. In this study, we conducted three experiments to explore the contribution of sensory and labeling modifications to expected satiation and satiety in a popular and versatile snack: a chewy bar. For each experiment, we chose subtle interventions that could be incorporated into a variety of products without requiring significant reformulation. In experiment one, participants evaluated ten chewy bar samples (five flavors, two peanut form conditions) and rated five expected appetitive sensations. In experiment two, participants viewed one of six packaging images with various labeling interventions (control, protein bar label, "good for you" logo, meal bar label, calorie content logo, and "satisfies hunger longer" logo). The strongest sensory and labeling interventions from the first two experiments were combined and simultaneously evaluated in experiment three. Although we did not detect any significant effects of sensory or labeling modifications in any of the experiments, exploratory post-hoc analysis suggested that whole peanuts suppressed expected hunger and increased expected fullness, and that protein labeling increased expected satiety. Additionally, through a penalty-benefit analysis of check-all-that-apply (CATA) product characteristics, we identified several attributes that consumers may positively (wholesome, indulgent, sweet, heavy, rich) and negatively (processed) associate with expected appetitive sensations. Incorporation of sensory and packaging cues that elicit (or avoid, in the case of "processed") these attributes may aid in the creation of functional products to help manage appetite. Combining several intrinsic and extrinsic product modifications is likely necessary to meaningfully alter expected appetitive sensations.
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Affiliation(s)
- Allison E Cimino
- Deparment of Public and Allied Health, Bowling Green State University, 136 Health and Human Service Building, Bowling Green, OH 43403, USA
| | - Aaron C Cowell
- Deparment of Public and Allied Health, Bowling Green State University, 136 Health and Human Service Building, Bowling Green, OH 43403, USA
| | - Natalie C Nieschwitz
- Deparment of Public and Allied Health, Bowling Green State University, 136 Health and Human Service Building, Bowling Green, OH 43403, USA
| | - Jonathan C Kershaw
- Deparment of Public and Allied Health, Bowling Green State University, 136 Health and Human Service Building, Bowling Green, OH 43403, USA.
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Edograms: recording the microstructure of meal intake in humans-a window on appetite mechanisms. Int J Obes (Lond) 2020; 44:2347-2357. [PMID: 32843712 DOI: 10.1038/s41366-020-00653-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 07/09/2020] [Accepted: 08/11/2020] [Indexed: 01/05/2023]
Abstract
Early attempts at the objective measurement of food intake in humans followed many heuristic pioneer studies in laboratory animals, which revealed how homeostatic and hedonic factors interact to shape the daily eating patterns. Early studies in humans examined the characteristics of intake responses at discrete ingestive events. Described for the first time in 1969, the edogram consisted of a parallel recording of chewing and swallowing responses during standardized lunches, allowing parameters of the "microstructure of meals" to be quantified under varying conditions of deprivation or sensory stimulation, in parallel with overall meal size, meal duration, and eating rate. Edographic studies showed consistent changes in the microstructure of meals in response to palatability level (increased eating rate, decreased chewing time and number of chews per food unit, shorter intrameal pauses, and increased prandial drinking under improved palatability). Longer premeal deprivation affected the eating responses at the beginning of meals (decreased chewing time and number of chews per food unit) but not at the end. Eating rate decelerated during the course of meals in normal-weight participants but not in participants with obesity. These observations largely agreed with contemporary works using other objective measurement methods. They were confirmed and expanded in later studies, notably in the investigation of satiation mechanisms affecting weight control. Importantly, research has demonstrated that the parameters of the microstructure of meals not only reflect the influence of stimulatory/inhibitory factors but can, per se, exert a causal role in satiation and satiety. The early edographic recording instruments were improved over the years and taken out of laboratory settings in order to address the measurement of spontaneous intake responses in free-living individuals. Much remains to be done to make these instruments entirely reliable under the immense variety of situations where food consumption occurs.
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Food texture influences on satiety: systematic review and meta-analysis. Sci Rep 2020; 10:12929. [PMID: 32737349 PMCID: PMC7395742 DOI: 10.1038/s41598-020-69504-y] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 07/14/2020] [Indexed: 12/29/2022] Open
Abstract
Obesity is one of the leading causes of preventable deaths. Development of satiety-enhancing foods is considered as a promising strategy to reduce food intake and promote weight management. Food texture may influence satiety through differences in appetite sensations, gastrointestinal peptide release and food intake, but the degree to which it does remains unclear. Herein, we report the first systematic review and meta-analyses on effects of food texture (form, viscosity, structural complexity) on satiety. Both solid and higher viscous food reduce hunger by − 4.97 mm (95% confidence interval (CI) − 8.13, − 1.80) and − 2.10 mm (95% CI − 4.38, 1.18), respectively compared to liquid and low viscous food. An effect of viscosity on fullness (95% CI 5.20 (2.43, 7.97) and a moderate effect of the form of food (95% CI − 26.19 (− 61.72, − 9.35) on food intake were noted. Due to the large variation among studies, the results should be interpreted cautiously and modestly.
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Te Pas MFW, Borg R, Buddiger NJH, Wood BJ, Rebel JMJ, van Krimpen MM, Calus MPL, Park JE, Schokker D. Regulating appetite in broilers for improving body and muscle development - A review. J Anim Physiol Anim Nutr (Berl) 2020; 104:1819-1834. [PMID: 32592266 PMCID: PMC7754290 DOI: 10.1111/jpn.13407] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 05/27/2020] [Accepted: 05/28/2020] [Indexed: 12/12/2022]
Abstract
Appetite is the desire for feed and water and the voluntary intake of feed and is an important regulator of livestock productivity and animal health. Economic traits such as growth rate and muscle development (meat deposition) in broilers are directly correlated to appetite. Factors that may influence appetite include environmental factors, such as stress and temperature variation, and animal‐specific factors, such as learning period, eating capacity and preferences. Feed preferences have been reported to be determined in early life, and this period is important in broilers due to their fast growth and relatively short growth trajectories. This may be of importance when contemplating the use of more circular and sustainable feeds and the optimization of appetite for these feeds. The objective of this review was to review the biological mechanisms underlying appetite using data from human, animal and bird models and to consider the option for modulating appetite particularly as it relates to broiler chickens.
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Affiliation(s)
- Marinus F W Te Pas
- Wageningen University and Research, Wageningen Livestock Research, Wageningen, The Netherlands
| | | | | | - Benjamin J Wood
- Hendrix Genetics North America Office, Kitchener, ON, Canada
| | - Johanna M J Rebel
- Wageningen University and Research, Wageningen Livestock Research, Wageningen, The Netherlands
| | - Marinus M van Krimpen
- Wageningen University and Research, Wageningen Livestock Research, Wageningen, The Netherlands
| | - Mario P L Calus
- Wageningen University and Research, Wageningen Livestock Research, Wageningen, The Netherlands
| | - Jong-Eun Park
- Animal Genomics & Bioinformatics Division, National Institute of Animal Science, Rural Development Administration, Jeonju, Korea
| | - Dirkjan Schokker
- Wageningen University and Research, Wageningen Livestock Research, Wageningen, The Netherlands
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Christ A, Lauterbach M, Latz E. Western Diet and the Immune System: An Inflammatory Connection. Immunity 2020; 51:794-811. [PMID: 31747581 DOI: 10.1016/j.immuni.2019.09.020] [Citation(s) in RCA: 399] [Impact Index Per Article: 99.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 07/24/2019] [Accepted: 09/24/2019] [Indexed: 02/06/2023]
Abstract
The consumption of Western-type calorically rich diets combined with chronic overnutrition and a sedentary lifestyle in Western societies evokes a state of chronic metabolic inflammation, termed metaflammation. Metaflammation contributes to the development of many prevalent non-communicable diseases (NCDs), and these lifestyle-associated pathologies represent a rising public health problem with global epidemic dimensions. A better understanding of how modern lifestyle and Western diet (WD) activate immune cells is essential for the development of efficient preventive and therapeutic strategies for common NCDs. Here, we review the current mechanistic understanding of how the Western lifestyle can induce metaflammation, and we discuss how this knowledge can be translated to protect the public from the health burden associated with their selected lifestyle.
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Affiliation(s)
- Anette Christ
- Institute of Innate Immunity, University Hospital Bonn, University of Bonn, Bonn 53127, Germany; Department of Infectious Diseases & Immunology, UMass Medical School, Worcester, MA 01605, USA
| | - Mario Lauterbach
- Institute of Innate Immunity, University Hospital Bonn, University of Bonn, Bonn 53127, Germany
| | - Eicke Latz
- Institute of Innate Immunity, University Hospital Bonn, University of Bonn, Bonn 53127, Germany; Department of Infectious Diseases & Immunology, UMass Medical School, Worcester, MA 01605, USA; Center of Molecular Inflammation Research, Norwegian University of Science and Technology, Trondheim 7491, Norway; German Center for Neurodegenerative Diseases (DZNE), Bonn 53127, Germany.
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Effect of Sequence of Fruit Intake in a Meal on Satiety. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16224464. [PMID: 31766283 PMCID: PMC6888291 DOI: 10.3390/ijerph16224464] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/12/2019] [Accepted: 10/14/2019] [Indexed: 12/31/2022]
Abstract
Little is known about the effects of manipulating sequence of fruit consumption during a meal in suppressing an individual’s appetite. Therefore, we investigate the effects of the sequence of fruit intake on satiety and blood glucose in a group of 17 healthy, young male adults. This intervention study repeatedly measured the effects of fruit intake (120 g red apple) before and after a meal and control (no fruit). Ad libitum test meal was weighed before and after a meal. Subjective appetite rating and appetite-related hormones were assessed at regular time intervals. The satiety score was significantly higher for fruit intake before a meal followed by after a meal and control (p < 0.05). Eating fruit before a meal reduced 18.5% (166 kcal) subsequent energy intake compared to control (p < 0.05). Fruit intake before a meal had a significantly higher incremental area under the curve (iAUC) of Glucagon-like peptide 1 (GLP-1), compared to after a meal (p < 0.05). There were no differences in plasma changes of ghrelin, Cholecystokinin 8 (CCK8), or blood glucose in all sessions. Consuming fruit before a meal potentially enhanced satiety. Further research is required to confirm both short- and long-term effects of the sequence of fruit intake on appetite regulation in a wider population.
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15
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Development of a delayed-release nutrient for appetite control in adults with obesity and type 2 diabetes and initial clinical testing in a single dose randomized controlled trial. Nutr Diabetes 2019; 9:20. [PMID: 31308360 PMCID: PMC6629646 DOI: 10.1038/s41387-019-0088-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Revised: 05/27/2019] [Accepted: 06/13/2019] [Indexed: 12/17/2022] Open
Abstract
Background and objectives Delivery of nutrients directly to the small intestine, either via enteral feeding tube or by gastric bypass surgery, is associated with increased levels of appetite-suppressing and glucoregulatory hormones, including GLP-1, and reduced appetite. Achieving these changes non-invasively using formulated foods may be of therapeutic benefit in individuals with obesity and related comorbidities. The aim of this pilot study was to determine the effect of a single dose of a novel delayed-release nutrient (DRN) on glucose, GLP-1, c-peptide, insulin, and appetite in adults with obesity and type 2 diabetes. Subjects and methods We formulated an all-natural, generally recognized as safe (‘GRAS”) DRN and conducted a randomized prospective crossover trial. Nineteen adults with obesity and type 2 diabetes underwent paired 3-h meal tolerance tests (MTT) in randomized order 1–4 weeks apart. Subjects ingested a single dose of DRN and the same nutrients as unformulated powders (UN). Results For DRN compared with UN, the maximal concentration (Cmax) was significantly lower for glucose, c-peptide, and insulin, and the time of maximal concentration (Tmax) was significantly delayed. While Tmax for GLP-1 was also significantly delayed following DRN compared with UN (45 min later; p = 0.26), Cmax did not differ significantly. GLP-1 rose significantly during the last 90 min of the 3-h MTT (β1 = 0.16 pg/mL/min, p = 0.025), while following UN it decreased (β1 = −0.21 pg/mL/min, p = 0.0026) (p difference = 0.0003). There were minimal differences in seven measures of appetite and adverse symptoms between DRN and UN. Conclusions We conclude that nutrient can be formulated using all-natural ingredients to induce a delayed rise in GLP-1. Further testing is needed to determine the amount and site of nutrient release, when maximum GLP-1 levels occur, and if modification of the formulation specifications and dose are associated with appetite and glucose control.
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Hansen TT, Andersen SV, Astrup A, Blundell J, Sjödin A. Is reducing appetite beneficial for body weight management in the context of overweight and obesity? A systematic review and meta-analysis from clinical trials assessing body weight management after exposure to satiety enhancing and/or hunger reducing products. Obes Rev 2019; 20:983-997. [PMID: 30945414 DOI: 10.1111/obr.12854] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 02/25/2019] [Accepted: 03/04/2019] [Indexed: 01/11/2023]
Abstract
This review aims to investigate whether interventions that enhance satiety and/or reduce hunger lead to beneficial effects on body weight management in the context of overweight and obesity. A comprehensive review protocol was prepared before conducting a systematic search in PubMed identifying 517 papers with 12 meeting the inclusion criteria. A thorough risk of bias assessment was performed based on the Cochrane collaboration's tool for assessing risk of bias. Based on a meta-analysis, the average of 75 subjects exposed to satiety enhancing and/or hunger reducing foods during more than 8 weeks coincidently reduced their body weight by 3.60 (1.05; 6.15) kg (mean (95% confidence interval)) more compared with controls. Two studies analysed whether individual reductions in appetite were associated with body weight. Decreased ad libitum energy intake after exposure to the satiety enhancing and/or hunger reducing interventions explained 58% (P < 0.001) and 23% (P < 0.001) of the variations in the subsequent weight losses over 12 and 8 weeks, respectively. Robust acute effects on appetite were found equally likely to be linked to improved body weight management as sustained effects. Satiety enhancing and/or hunger reducing interventions are supported to improve body weight management, but studies specifically designed to demonstrate a causal link remain needed.
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Affiliation(s)
- Thea Toft Hansen
- Department of Nutrition, Exercise and Sports, Section for Obesity Research, Faculty of Science, University of Copenhagen, Denmark
| | - Sarah Vold Andersen
- Department of Nutrition, Exercise and Sports, Section for Obesity Research, Faculty of Science, University of Copenhagen, Denmark
| | - Arne Astrup
- Department of Nutrition, Exercise and Sports, Section for Obesity Research, Faculty of Science, University of Copenhagen, Denmark
| | - John Blundell
- Institute of Psychological Sciences, Faculty of Medicine and Health, University of Leeds, Leeds, UK
| | - Anders Sjödin
- Department of Nutrition, Exercise and Sports, Section for Obesity Research, Faculty of Science, University of Copenhagen, Denmark
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Iversen KN, Johansson D, Brunius C, Andlid T, Andersson R, Langton M, Landberg R. Appetite and Subsequent Food Intake Were Unaffected by the Amount of Sourdough and Rye in Soft Bread-A Randomized Cross-Over Breakfast Study. Nutrients 2018; 10:nu10111594. [PMID: 30380770 PMCID: PMC6266039 DOI: 10.3390/nu10111594] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 10/26/2018] [Accepted: 10/27/2018] [Indexed: 01/05/2023] Open
Abstract
Sourdough fermented bread has been suggested to have beneficial health effects, in part mediated by increased satiety in the postprandial phase, but only limited research has been conducted to verify this. The current study aimed to investigate the effect of the amounts of sourdough and rye in soft bread on postprandial appetite. On 6 occasions, 23 healthy volunteers consumed 5 different test breads, with varying amount of rye and sourdough, and a yeast-fermented refined wheat control bread as part of a breakfast meal. The sourdough ranged between 9–51% of dough weight and rye content between 35–48% of flour weight. Appetite was recorded using visual analogue scales from immediately before breakfast and every 30 min the following 4 h. An ad libitum lunch was served 4 h after the breakfast meal, from which voluntary energy intake was measured. While some of the test breads resulted in lower hunger ratings and increased sense of fullness compared to the refined wheat bread, there were no differences between the test breads. The content of rye in the test breads differed within a narrow range, which might explain the lack of a consistent effect of rye on appetite. Microstructural examination of the test breads showed an increased aggregation of proteins in the breads with high content of sourdough, indicating additional changes to the breads, beyond change in pH, which may counteract the potential effect of decreased pH in the bread on appetite. In conclusion, our study does not support an effect of sourdough on appetite and ad libitum food intake.
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Affiliation(s)
- Kia Nøhr Iversen
- Department of Biology and Biological Engineering, Food and Nutrition Science, Chalmers University of Technology, 412 96 Gothenburg, Sweden.
| | - Daniel Johansson
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, SE-750 07 Uppsala, Sweden.
| | - Carl Brunius
- Department of Biology and Biological Engineering, Food and Nutrition Science, Chalmers University of Technology, 412 96 Gothenburg, Sweden.
| | - Thomas Andlid
- Department of Biology and Biological Engineering, Food and Nutrition Science, Chalmers University of Technology, 412 96 Gothenburg, Sweden.
| | - Roger Andersson
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, SE-750 07 Uppsala, Sweden.
| | - Maud Langton
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, SE-750 07 Uppsala, Sweden.
| | - Rikard Landberg
- Department of Biology and Biological Engineering, Food and Nutrition Science, Chalmers University of Technology, 412 96 Gothenburg, Sweden.
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18
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Hunter DC, Jones VS, Hedderley DI, Jaeger SR. The influence of claims of appetite control benefits in those trying to lose or maintain weight: The role of claim believability and attitudes to functional foods. Food Res Int 2018; 119:715-724. [PMID: 30884708 DOI: 10.1016/j.foodres.2018.10.051] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 10/13/2018] [Accepted: 10/16/2018] [Indexed: 11/19/2022]
Abstract
Functional foods which enhance satiety and hence offer appetite control can support weight loss efforts, but consumers' perceptions of such products are not fully understood. Urban-dwelling Australian consumers (n = 1629) trying to lose or to maintain weight rated written product concepts offering appetite control benefits for purchase intent and believability. In general, all product concepts were rated moderately for purchase intent, although products that were more likely to be commonly consumed, and that were a solid format received significantly higher ratings. Believability of product concept statements was found to vary significantly depending on product category. Compared to consumers trying to maintain their weight, consumers actively trying to lose weight tended to rate product concepts higher for purchase intent, despite similar scores for believability of concept. Age, gender and a sceptical attitude towards functional foods did not tend to strongly influence purchase intent and believability of product concepts offering appetite control. Actively trying to lose or maintain weight also had little influence over the degree to which consumers believed the product concept would deliver the benefits it was claiming. The association between a positive attitude towards functional foods and both purchase intent and believability was significant across all product concept categories, although the impact on purchase intent was largely mediated through believability. In assessing information provided about the active ingredients and functionality of the products, consumers rated as the two most important attributes that the products were clinically tested and that the active ingredient was derived from fruits and vegetables. In a broader perspective, careful communication of the clinical efficacy and effective consumption of appetite control products to assist with weight loss seems warranted.
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Affiliation(s)
- Denise C Hunter
- The New Zealand Institute for Plant & Food Research Ltd, 120 Mt Albert Road, Private Bag 92169, Auckland 1142, New Zealand
| | - Veronika S Jones
- The New Zealand Institute for Plant & Food Research Limited, Palmerston North Research Centre, Tennent Drive, Private Bag 11600, Palmerston North 4442, New Zealand
| | - Duncan I Hedderley
- The New Zealand Institute for Plant & Food Research Limited, Palmerston North Research Centre, Tennent Drive, Private Bag 11600, Palmerston North 4442, New Zealand
| | - Sara R Jaeger
- The New Zealand Institute for Plant & Food Research Ltd, 120 Mt Albert Road, Private Bag 92169, Auckland 1142, New Zealand.
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Martel J, Ojcius DM, Chang CJ, Lin CS, Lu CC, Ko YF, Tseng SF, Lai HC, Young JD. Anti-obesogenic and antidiabetic effects of plants and mushrooms. Nat Rev Endocrinol 2017; 13:149-160. [PMID: 27636731 DOI: 10.1038/nrendo.2016.142] [Citation(s) in RCA: 184] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Obesity is reaching global epidemic proportions as a result of factors such as high-calorie diets and lack of physical exercise. Obesity is now considered to be a medical condition, which not only contributes to the risk of developing type 2 diabetes mellitus, cardiovascular disease and cancer, but also negatively affects longevity and quality of life. To combat this epidemic, anti-obesogenic approaches are required that are safe, widely available and inexpensive. Several plants and mushrooms that are consumed in traditional Chinese medicine or as nutraceuticals contain antioxidants, fibre and other phytochemicals, and have anti-obesogenic and antidiabetic effects through the modulation of diverse cellular and physiological pathways. These effects include appetite reduction, modulation of lipid absorption and metabolism, enhancement of insulin sensitivity, thermogenesis and changes in the gut microbiota. In this Review, we describe the molecular mechanisms that underlie the anti-obesogenic and antidiabetic effects of these plants and mushrooms, and propose that combining these food items with existing anti-obesogenic approaches might help to reduce obesity and its complications.
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Affiliation(s)
- Jan Martel
- Center for Molecular and Clinical Immunology, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
- Chang Gung Immunology Consortium, Linkou Chang Gung Memorial Hospital, 5 Fu-Hsing Street, Taoyuan 33305, Taiwan, Republic of China
| | - David M Ojcius
- Center for Molecular and Clinical Immunology, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
- Chang Gung Immunology Consortium, Linkou Chang Gung Memorial Hospital, 5 Fu-Hsing Street, Taoyuan 33305, Taiwan, Republic of China
- Department of Biomedical Sciences, University of the Pacific, Arthur Dugoni School of Dentistry, 155 Fifth Street, San Francisco, California 94103, USA
| | - Chih-Jung Chang
- Center for Molecular and Clinical Immunology, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
- Chang Gung Immunology Consortium, Linkou Chang Gung Memorial Hospital, 5 Fu-Hsing Street, Taoyuan 33305, Taiwan, Republic of China
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
- Department of Microbiology and Immunology, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
- Research Center of Bacterial Pathogenesis, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
| | - Chuan-Sheng Lin
- Center for Molecular and Clinical Immunology, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
- Chang Gung Immunology Consortium, Linkou Chang Gung Memorial Hospital, 5 Fu-Hsing Street, Taoyuan 33305, Taiwan, Republic of China
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
- Department of Microbiology and Immunology, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
- Research Center of Bacterial Pathogenesis, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
| | - Chia-Chen Lu
- Department of Respiratory Therapy, Fu Jen Catholic University, 510 Zhong-Zheng Street, New Taipei City 24205, Taiwan, Republic of China
| | - Yun-Fei Ko
- Chang Gung Immunology Consortium, Linkou Chang Gung Memorial Hospital, 5 Fu-Hsing Street, Taoyuan 33305, Taiwan, Republic of China
- Chang Gung Biotechnology Corporation, 201 Tung-Hua North Road, Taipei 10508, Taiwan, Republic of China
- Biochemical Engineering Research Center, Ming Chi University of Technology, 84 Gungjuan Road, New Taipei City 24301, Taiwan, Republic of China
| | - Shun-Fu Tseng
- Chang Gung Immunology Consortium, Linkou Chang Gung Memorial Hospital, 5 Fu-Hsing Street, Taoyuan 33305, Taiwan, Republic of China
- Research Center of Bacterial Pathogenesis, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
| | - Hsin-Chih Lai
- Center for Molecular and Clinical Immunology, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
- Chang Gung Immunology Consortium, Linkou Chang Gung Memorial Hospital, 5 Fu-Hsing Street, Taoyuan 33305, Taiwan, Republic of China
- Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
- Department of Microbiology and Immunology, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
- Research Center of Bacterial Pathogenesis, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
- Department of Laboratory Medicine, Linkou Chang Gung Memorial Hospital, 5 Fu-Hsing Street, Taoyuan 33305, Taiwan, Republic of China
- Research Center for Industry of Human Ecology, College of Human Ecology, Chang Gung University of Science and Technology, 261 Wen-Hua First Road, Taoyuan 33303, Taiwan, Republic of China
- Graduate Institute of Health Industry and Technology, College of Human Ecology, Chang Gung University of Science and Technology, 261 Wen-Hua First Road, Taoyuan 33303, Taiwan, Republic of China
| | - John D Young
- Center for Molecular and Clinical Immunology, Chang Gung University, 259 Wen-Hua First Road, Taoyuan 33302, Taiwan, Republic of China
- Chang Gung Immunology Consortium, Linkou Chang Gung Memorial Hospital, 5 Fu-Hsing Street, Taoyuan 33305, Taiwan, Republic of China
- Chang Gung Biotechnology Corporation, 201 Tung-Hua North Road, Taipei 10508, Taiwan, Republic of China
- Biochemical Engineering Research Center, Ming Chi University of Technology, 84 Gungjuan Road, New Taipei City 24301, Taiwan, Republic of China
- Laboratory of Cellular Physiology and Immunology, Rockefeller University, 1230 York Avenue, New York, New York 10021, USA
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21
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Enhancing expected food intake behaviour, hedonics and sensory characteristics of oil-in-water emulsion systems through microstructural properties, oil droplet size and flavour. Food Qual Prefer 2016. [DOI: 10.1016/j.foodqual.2015.03.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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22
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Emulsion oil droplet size significantly affects satiety: A pre-ingestive approach. Appetite 2016; 96:18-24. [DOI: 10.1016/j.appet.2015.08.043] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 07/03/2015] [Accepted: 08/31/2015] [Indexed: 01/19/2023]
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23
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Buckland NJ, James Stubbs R, Finlayson G. Towards a satiety map of common foods: Associations between perceived satiety value of 100 foods and their objective and subjective attributes. Physiol Behav 2015; 152:340-6. [DOI: 10.1016/j.physbeh.2015.07.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Revised: 06/04/2015] [Accepted: 07/01/2015] [Indexed: 10/23/2022]
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24
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Associations between nutritional properties of food and consumer perceptions related to weight management. Food Qual Prefer 2015. [DOI: 10.1016/j.foodqual.2015.04.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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25
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Allison DB, Bassaganya-Riera J, Burlingame B, Brown AW, le Coutre J, Dickson SL, van Eden W, Garssen J, Hontecillas R, Khoo CSH, Knorr D, Kussmann M, Magistretti PJ, Mehta T, Meule A, Rychlik M, Vögele C. Goals in Nutrition Science 2015-2020. Front Nutr 2015; 2:26. [PMID: 26442272 PMCID: PMC4563164 DOI: 10.3389/fnut.2015.00026] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Accepted: 08/14/2015] [Indexed: 12/12/2022] Open
Affiliation(s)
- David B Allison
- Office of Energetics and Nutrition Obesity Research Center, School of Public Health, University of Alabama at Birmingham , Birmingham, AL , USA ; Section on Statistical Genetics, University of Alabama at Birmingham , Birmingham, AL , USA ; Department of Nutrition Sciences, University of Alabama at Birmingham , Birmingham, AL , USA ; Department of Biostatistics, University of Alabama at Birmingham , Birmingham, AL , USA
| | - Josep Bassaganya-Riera
- Nutritional Immunology and Molecular Medicine Laboratory, Virginia Bioinformatics Institute, Virginia Tech , Blacksburg, VA , USA
| | - Barbara Burlingame
- Deakin University , Melbourne, VIC , Australia ; American University of Rome , Rome , Italy
| | - Andrew W Brown
- Office of Energetics and Nutrition Obesity Research Center, School of Public Health, University of Alabama at Birmingham , Birmingham, AL , USA
| | - Johannes le Coutre
- Nestlé Research Center , Lausanne , Switzerland ; Organization for Interdisciplinary Research Projects, The University of Tokyo , Tokyo , Japan ; École Polytechnique Fédérale de Lausanne , Lausanne , Switzerland
| | - Suzanne L Dickson
- Institute of Neuroscience and Physiology, The Sahlgrenska Academy at the University of Gothenburg , Gothenburg , Sweden
| | - Willem van Eden
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University , Utrecht , Netherlands
| | - Johan Garssen
- Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University , Utrecht , Netherlands
| | - Raquel Hontecillas
- Nutritional Immunology and Molecular Medicine Laboratory, Virginia Bioinformatics Institute, Virginia Tech , Blacksburg, VA , USA
| | - Chor San H Khoo
- North American Branch of International Life Sciences Institute , Washington, DC , USA
| | | | - Martin Kussmann
- École Polytechnique Fédérale de Lausanne , Lausanne , Switzerland ; Nestlé Institute of Health Sciences SA , Lausanne , Switzerland
| | - Pierre J Magistretti
- Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology , Thuwal , Saudi Arabia ; Laboratory of Neuroenergetics and Cellular Dynamics, Brain Mind Institute, École Polytechnique Fédérale de Lausanne , Lausanne , Switzerland
| | - Tapan Mehta
- Department of Health Services Administration, Nutrition Obesity Research Center, University of Alabama at Birmingham , Birmingham, AL , USA
| | - Adrian Meule
- Department of Psychology, University of Salzburg , Salzburg , Austria
| | - Michael Rychlik
- Analytical Food Chemistry, Technische Universität München , Freising , Germany
| | - Claus Vögele
- Research Unit INSIDE, Institute for Health and Behaviour, University of Luxembourg , Luxembourg , Luxembourg
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26
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Abstract
In the context of the worldwide epidemic of obesity affecting men and women of all ages, it is important to understand the mechanisms that control human appetite, particularly those that allow the adjustment of energy intake to energy needs. Satiety is one important psycho-biological mechanism whose function is to inhibit intake following the ingestion of a food or a beverage. According to the classical theories of appetite control, satiety is influenced by macronutrient intake and/or metabolism. Satiety also seems to be modified by micronutrients, non-nutrients, and some bioactive food constituents. Under optimal conditions, satiety should be well connected with hunger and satiation in a way that spontaneously leads to a close match between energy intake and expenditures. However, the current obesity epidemic suggests that dysfunctions often affect satiety and energy intake. In this regard, this paper presents a conceptual integration that hopefully will help health professionals address satiety issues and provide the public with informed advice to facilitate appetite control.
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Affiliation(s)
- Angelo Tremblay
- a Department of Kinesiology, PEPS, Room 0234, Université Laval, Quebec City, QC G1V 0A6, Canada
| | - France Bellisle
- a Department of Kinesiology, PEPS, Room 0234, Université Laval, Quebec City, QC G1V 0A6, Canada.,b Unité d'Épidémiologie Nutritionnelle, UMR U557 INSERM, U1125 INRA, CNAM, Université Paris 13, 74 rue Marcel Cachin, 93017 Bobigny, France
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27
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MacKenzie-Shalders KL, Byrne NM, Slater GJ, King NA. The effect of a whey protein supplement dose on satiety and food intake in resistance training athletes. Appetite 2015; 92:178-84. [PMID: 25979566 DOI: 10.1016/j.appet.2015.05.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2014] [Revised: 04/16/2015] [Accepted: 05/08/2015] [Indexed: 01/27/2023]
Abstract
OBJECTIVE Many athletes perform resistance training and consume dietary protein as a strategy to promote anabolic adaptation. Due to its high satiety value, the regular addition of supplemented dietary protein could plausibly displace other key macronutrients such as carbohydrate in an athlete's diet. This effect will be influenced by the form and dose of protein. Therefore, this study assessed the impact of liquid whey protein dose manipulation on subjective sensations of appetite and food intake in a cohort of athletes. DESIGN Ten male athletes who performed both resistance and aerobic (endurance) training (21.2 ± 2.3 years; 181.7 ± 5.7 cm and 80.8 ± 6.1 kg) were recruited. In four counter-balanced testing sessions they consumed a manipulated whey protein supplement (20, 40, 60 or 80 g protein) 1 hour after a standardised breakfast. Subsequent energy intake was measured 3 hours after the protein supplement using an ad libitum test meal. Subjective appetite sensations were measured periodically during the test day using visual analogue scales. RESULTS All conditions resulted in a significant decrease in ratings of hunger (50-65%; P < 0.05) at the time of supplement consumption. However, there were no significant differences between the conditions at any time point for subjective appetite sensations or for energy consumed in the ad libitum meal: 4382 ± 1004, 4643 ± 982, 4514 ± 1112, 4177 ± 1494 kJ respectively. CONCLUSION Increasing whey protein supplement dose above 20 g did not result in a measurable increase in satiety or decrease in food intake. However, the inclusion of additional whey protein supplementation where not otherwise consumed could plausibly reduce dietary intake.
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Affiliation(s)
- Kristen L MacKenzie-Shalders
- Institute of Health and Biomedical Innovation, School of Exercise and Nutrition Sciences, Queensland University of Technology, Brisbane, Australia.
| | - Nuala M Byrne
- Bond Institute of Health and Sport, Bond University, Gold Coast, Australia
| | - Gary J Slater
- School of Health and Sport Sciences, University of the Sunshine Coast, Sippy Downs, Australia
| | - Neil A King
- Institute of Health and Biomedical Innovation, School of Exercise and Nutrition Sciences, Queensland University of Technology, Brisbane, Australia
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29
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The multifactorial interplay of diet, the microbiome and appetite control: current knowledge and future challenges. Proc Nutr Soc 2015; 74:235-44. [DOI: 10.1017/s0029665114001670] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The recent availability of high-throughput nucleic acid sequencing technologies has rapidly advanced approaches to analysing the role of the gut microbiome in governance of human health, including gut health, and also metabolic, cardiovascular and mental health,inter alia. Recent scientific studies suggest that energy intake (EI) perturbations at the population level cannot account for the current obesity epidemic, and significant work is investigating the potential role of the microbiome, and in particular its metabolic products, notably SCFA, predominantly acetate, propionate and butyrate, the last of which is an energy source for the epithelium of the large intestine. The energy yield from dietary residues may be a significant factor influencing energy balance. This review posits that the contribution towards EI is governed by EI diet composition (not just fibre), the composition of the microbiome and by the levels of physical activity. Furthermore, we hypothesise that these factors do not exist in a steady state, but rather are dynamic, with both short- and medium-term effects on appetite regulation. We suggest that the existing modelling strategies for bacterial dynamics, specifically for growth in chemostat culture, are of utility in understanding the dynamic interplay of diet, activity and microbiomic organisation. Such approaches may be informative in optimising the application of dietary and microbial therapy to promote health.
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30
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Abstract
Nutrition across the lifespan encompasses both preventative and treatment options to maintain health and vitality. This review will focus on the challenge of overconsumption of energy relative to energy expenditure and the consequent development of overweight and obesity, since they are responsible for much of the burden of chronic disease in the developed world. Understanding the mechanisms of hunger and satiety and how particular foodstuffs and nutrients affect appetite and motivation to eat is important for evidence-based interventions to achieve weight control and design of community-wide dietary strategies that reach across the lifespan. Food reformulation for appetite control and weight management requires a knowledge of the mechanisms of hunger and satiety, how food interacts with peripheral and central regulatory systems, and how these interactions change across the lifecourse, allied to the technical capability to generate, evaluate and develop new ingredients and foods with enhanced biological potency based on these mechanisms. Two European Union-funded research projects, Full4Health and SATIN, are adopting these complementary approaches. These research projects straddle the sometimes conflicted ground between justifiable public health concerns on the one hand and the food and drink industry on the other. These multi-disciplinary projects pull together expertise in nutrition, neuroimaging, psychology and food technology that combines with food industry partners to maximise expected impact of the research. Better knowledge of mechanisms regulating hunger/satiety will lead to evidence base for preventive strategies for the European population, to reduction of chronic disease burden and to increased competitiveness of European food industry through the development of new food products.
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31
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Kral TVE, Hetherington MM. Variability in children's eating response to portion size. A biobehavioral perspective. Appetite 2014; 88:5-10. [PMID: 25305465 DOI: 10.1016/j.appet.2014.10.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Revised: 08/21/2014] [Accepted: 10/03/2014] [Indexed: 12/25/2022]
Abstract
The portion size of foods and beverages offered at meals has been shown to significantly affect human food intake. While portion size effects appear to be fairly robust across studies in adults, findings from studies in children are generally more variable and do not reliably predict a significant portion size effect. Eating behaviors are still forming at a young age and individual differences in children's response to portion size will depend upon genetic predisposition interacting with the child's environment. The aim of this review is to present and discuss evidence that innate controls of appetite and eating, which involve genes that encode key hormones and neuropeptides implicated in processes of satiety and satiation, may differentially affect meal size. We also present evidence that children's response to portion size is learned and this is in turn shaped by upbringing, the early family and home environment. The review will conclude with a conceptual model that illustrates how biological and environmental factors may interact to shape child eating traits including a behavioral susceptibility to overeating when large portion sizes are available.
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Affiliation(s)
- Tanja V E Kral
- Department of Behavioral Health Sciences, University of Pennsylvania School of Nursing and Perelman School of Medicine, Philadelphia, PA, USA.
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32
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Yoshikawa T, Tanaka M, Ishii A, Watanabe Y. Suppressive responses by visual food cues in postprandial activities of insular cortex as revealed by magnetoencephalography. Brain Res 2014; 1568:31-41. [PMID: 24768717 DOI: 10.1016/j.brainres.2014.04.021] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Revised: 03/28/2014] [Accepted: 04/12/2014] [Indexed: 01/12/2023]
Abstract
'Hara-Hachibu' in Japanese means a subjective sense by which we stop eating just before the motivation to eat is completely lost, a similar concept to caloric restriction (CR). Insular cortex is a critical platform which integrates sensory information into decision-making processes in eating behavior. We compared the responses of insular cortex, as assessed by magnetoencephalography (MEG), immediately after presentation of food images in the Fasting condition with those in the 'Hara-Hachibu' condition. Eleven healthy, right-handed males [age, 27.2±9.6 years; body mass index, 22.6±2.1kg/m(2) (mean±SD)] were enrolled in a randomized, two-crossover experiment (Fasting and 'Hara-Hachibu' conditions). Before the MEG recordings in the 'Hara-Hachibu' condition, the participants consumed rice balls as much as they judged themselves to have consumed shortly before reaching satiety. During the MEG recordings, they viewed food pictures projected on a screen. The intensities of MEG responses to viewing food pictures were significantly lower in the 'Hara-Hachibu' condition than those in the Fasting condition (P<0.05). The intensities of the MEG responses to the visual food stimuli in the 'Hara-Hachibu' condition was positively associated with the factor-3 (food tasted) (r=0.693, P=0.018) and aggregated scores (r=0.659, P=0.027) of the Power of Food Scale, a self-report measure of hedonic hunger. These findings may help to elucidate the neural basis of variability of appetite phenotypes under the condition of CR among individuals, and to develop possible strategies for the maintenance of adequate CR in daily life.
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Affiliation(s)
- Takahiro Yoshikawa
- Departments of Sports Medicine, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585, Japan.
| | - Masaaki Tanaka
- Departments of Physiology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585, Japan; RIKEN Center for Life Science Technologies, 6-7-3 Minatojima-minamimachi, Chuo-ku, Hyogo 650-0047, Japan.
| | - Akira Ishii
- Departments of Physiology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585, Japan.
| | - Yasuyoshi Watanabe
- Departments of Physiology, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka 545-8585, Japan; RIKEN Center for Life Science Technologies, 6-7-3 Minatojima-minamimachi, Chuo-ku, Hyogo 650-0047, Japan.
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Abstract
Foods and dietary patterns that enhance satiety may provide benefit to consumers. The aim of the present review was to describe, consider and evaluate research on potential benefits of enhanced satiety. The proposal that enhanced satiety could only benefit consumers by a direct effect on food intake should be rejected. Instead, it is proposed that there is a variety of routes through which enhanced satiety could (indirectly) benefit dietary control or weight-management goals. The review highlights specific potential benefits of satiety, including: providing appetite control strategies for consumers generally and for those who are highly responsive to food cues; offering pleasure and satisfaction associated with low-energy/healthier versions of foods without feeling 'deprived'; reducing dysphoric mood associated with hunger especially during energy restriction; and improved compliance with healthy eating or weight-management efforts. There is convincing evidence of short-term satiety benefits, but only probable evidence for longer-term benefits to hunger management, possible evidence of benefits to mood and cognition, inadequate evidence that satiety enhancement can promote weight loss, and no evidence on which consumers would benefit most from satiety enhancement. The appetite-reducing effects of specific foods or diets will be much more subtle than those of pharmaceutical compounds in managing hunger; nevertheless, the experience of pharmacology in producing weight loss via effects on appetite suggests that there is potential benefit of satiety enhancement from foods incorporated into the diet to the consumer.
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Rebello CJ, Liu AG, Greenway FL, Dhurandhar NV. Dietary strategies to increase satiety. ADVANCES IN FOOD AND NUTRITION RESEARCH 2013; 69:105-82. [PMID: 23522796 DOI: 10.1016/b978-0-12-410540-9.00003-x] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Obesity has a multifactorial etiology. Although obesity is widespread and associated with serious health hazards, its effective prevention and treatment have been challenging. Among the currently available treatment approaches, lifestyle modification to induce a negative energy balance holds a particularly larger appeal due to its wider reach and relative safety. However, long-term compliance with dietary modifications to reduce energy intake is not effective for the majority. The role of many individual nutrients, foods, and food groups in inducing satiety has been extensively studied. Based on this evidence, we have developed sample weight-loss meal plans that include multiple satiating foods, which may collectively augment the satiating properties of a meal. Compared to a typical American diet, these meal plans are considerably lower in energy density and probably more satiating. A diet that exploits the satiating properties of multiple foods may help increase long-term dietary compliance and consequentially enhance weight loss.
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Affiliation(s)
- Candida J Rebello
- Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA, USA
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Fallaize R, Wilson L, Gray J, Morgan LM, Griffin BA. Variation in the effects of three different breakfast meals on subjective satiety and subsequent intake of energy at lunch and evening meal. Eur J Nutr 2012; 52:1353-9. [PMID: 22948783 DOI: 10.1007/s00394-012-0444-z] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2012] [Accepted: 08/16/2012] [Indexed: 12/29/2022]
Abstract
PURPOSE To determine the relative impact of three iso-caloric breakfast meals, of variable composition, on satiety, hunger and subsequent intake of energy. METHODS In a three-way, crossover design, 30 healthy men (age of 21.7 ± 1.2 years; BMI, 23.1 ± 2.7 kg/m²) were randomised to one of three test breakfasts, on three separate occasions, separated by 1 week. The breakfasts consisted of eggs on toast, cereal (cornflakes) with milk and toast, or a croissant and orange juice. Subjective ratings of satiety, hunger, fullness and desire to eat were recorded at 30-min intervals by electronic visual analogue scales (VAS). Energy intake was assessed by weighed food intake at an ad libitum lunch and evening meal. RESULTS Participants showed increased satiety, less hunger and a lower desire to eat after the breakfast containing eggs relative to the cereal (p < 0.02), and croissant-based meals (p < 0.0001). The egg breakfast was also accompanied by a significantly lower intake of energy relative to the croissant- and cereal-based breakfasts at the buffet lunch and evening meal, respectively, 1,284 ± 464 (egg) versus 1,442 ± 426 kcal (croissant), p = 0.03, 1,407 ± 379 (cereal) at lunch and 1,899 ± 729 (egg) versus 2,214 ± 620 kcal (cereal), p = 0.02, 2,047 ± 712 (croissant) at evening meal. The breakfast meal with the greatest effect on satiety and subsequent intake of energy was distinct in having the highest protein and lowest carbohydrate content relative to the other two breakfasts. CONCLUSION These findings provide evidence to support the importance of food choice at breakfast as a means of increasing satiety in the morning and reducing energy intake at lunch.
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Affiliation(s)
- Rosalind Fallaize
- Department of Nutrition and Metabolism, Faculty of Health and Medical Sciences, University of Surrey, Guildford, Surrey, UK
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Bilman EM, Kleef EV, Mela DJ, Hulshof T, van Trijp HCM. Consumer understanding, interpretation and perceived levels of personal responsibility in relation to satiety-related claims. Appetite 2012; 59:912-20. [PMID: 22841815 DOI: 10.1016/j.appet.2012.07.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2012] [Revised: 06/12/2012] [Accepted: 07/12/2012] [Indexed: 01/01/2023]
Abstract
The aim of this study was to explore (a) whether and how consumers may (over-) interpret satiety claims, and (b) whether and to what extent consumers recognize that personal efforts are required to realize possible satiety-related or weight loss benefits. Following means-end chain theory, we explored for a number of satiety claims the extent of inference-making to higher-level benefits than actually stated in the claim, using internet-based questions and tasks. Respondents (N=1504) in U.K., France, Italy and Germany participated in the study. The majority of these respondents correctly interpret satiety-related claims; i.e. they largely limit their interpretation to what was actually stated. They do not expect a "magic bullet" effect, but understand that personal efforts are required to translate product attributes into potential weight control benefits. Less-restrained eaters were at lower risk for over-interpreting satiety-related claims, whilst respondents with a stronger belief that their weight is something that they can control accept more personal responsibility, and better understand that personal efforts are required to be effective in weight control. Overall, these results indicate there is likely to be a relatively low level of consumer misinterpretation of satiety-related claims on food products.
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Affiliation(s)
- Els M Bilman
- Marketing and Consumer Behaviour Group, Wageningen University and Research Centre, Hollandseweg 1, 6706 KN Wageningen, Netherlands
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Bellisle F, Drewnowski A, Anderson GH, Westerterp-Plantenga M, Martin CK. Sweetness, satiation, and satiety. J Nutr 2012; 142:1149S-54S. [PMID: 22573779 DOI: 10.3945/jn.111.149583] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Satiation and satiety are central concepts in the understanding of appetite control and both have to do with the inhibition of eating. Satiation occurs during an eating episode and brings it to an end. Satiety starts after the end of eating and prevents further eating before the return of hunger. Enhancing satiation and satiety derived from foodstuffs was perceived as a means to facilitate weight control. Many studies have examined the various sensory, cognitive, postingestive, and postabsorptive factors that can potentially contribute to the inhibition of eating. In such studies, careful attention to study design is crucial for correct interpretation of the results. Although sweetness is a potent sensory stimulus of intake, sweet-tasting products produce satiation and satiety as a result of their volume as well as their nutrient and energy content. The particular case of energy intake from fluids has generated much research and it is still debated whether energy from fluids is as satiating as energy ingested from solid foods. This review discusses the satiating power of foods and drinks containing nutritive and nonnutritive sweeteners. The brain mechanisms of food reward (in terms of "liking" and "wanting") are also addressed. Finally, we highlight the importance of reward homeostasis, which can help prevent eating in the absence of hunger, for the control of intake.
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Affiliation(s)
- France Bellisle
- Centre de Recherche en Nutrition Humaine d'Ile de France, Université Paris, Bobigny, France.
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Van Kleef E, Van Trijp JCM, Van Den Borne JJGC, Zondervan C. Successful development of satiety enhancing food products: towards a multidisciplinary agenda of research challenges. Crit Rev Food Sci Nutr 2012; 52:611-28. [PMID: 22530713 PMCID: PMC3662086 DOI: 10.1080/10408398.2010.504901] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
In the context of increasing prevalence of overweight and obesity in societies worldwide, enhancing the satiating capacity of foods may help people control their energy intake and weight. This requires an integrated approach between various food-related disciplines. By structuring this approach around the new product development process, this paper aims to present the contours of such an integrative approach by going through the current state of the art around satiety enhancing foods. It portrays actual food choice as the end result of a complex interaction between internal satiety signals, other food benefits, and environmental cues. Three interrelated routes to satiating enhancement are to change the food composition to develop stronger physiological satiation and satiety signals, anticipate and build on smart external stimuli at the moment of purchase and consumption, and improve palatability and acceptance of satiety enhanced foods. Key research challenges in achieving these routes in the field of nutrition, food technology, consumer, marketing, and communication are outlined.
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Affiliation(s)
- E Van Kleef
- Wageningen University, Marketing & Consumer Behaviour Group, Wageningen, The Netherlands.
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Mela DJ. Satiety. Let's put claims in the right context. Comment on ‘Satiety. No way to slim’. Appetite 2011; 57:774-7; discussion 784-90. [DOI: 10.1016/j.appet.2010.12.022] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2010] [Accepted: 12/20/2010] [Indexed: 11/30/2022]
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40
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de Graaf C. Trustworthy satiety claims are good for science and society. Comment on ‘Satiety. No way to slim’. Appetite 2011; 57:778-83; discussion 784-90. [DOI: 10.1016/j.appet.2011.05.312] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2011] [Revised: 05/05/2011] [Accepted: 05/17/2011] [Indexed: 10/18/2022]
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41
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Current world literature. Curr Opin Endocrinol Diabetes Obes 2011; 18:83-98. [PMID: 21178692 DOI: 10.1097/med.0b013e3283432fa7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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The influence of physical activity on appetite control: an experimental system to understand the relationship between exercise-induced energy expenditure and energy intake. Proc Nutr Soc 2011; 70:171-80. [DOI: 10.1017/s0029665110004751] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Investigations of the impact of physical activity on appetite control have the potential to throw light on the understanding of energy balance and therefore, upon body weight regulation and the development of obesity. Given the complexity of the landscape influencing weight regulation, research strategies should reflect this complexity. We have developed a research approach based on the concept of the psychobiological system (multi-level measurement and analysis) and an experimental platform that respects the operations of an adaptive regulating biological system. It is important that both sides of the energy balance equation (activity and diet) receive similar detailed levels of analysis. The experimental platform uses realistic and fully supervised levels of physical activity, medium-term (not acute) interventions, measurement of body composition, energy metabolism (indirect calorimetry), satiety physiology (gut peptides), homeostatic and hedonic processes of appetite control, non-exercise activity, obese adult participants and both genders. This research approach has shown that the impact of physical activity on appetite control is characterised by large individual differences. Changes in body composition, waist circumference and health benefits are more meaningful than changes in weight. Further, we are realising that the acute effects do not predict what will happen in the longer term. The psychobiological systems approach offers a strategy for simultaneously investigating biological and behavioural processes relevant to understanding obese people and how obesity can be managed. This experimental platform provides opportunities for industry to examine the impact of foods under scientifically controlled conditions relevant to the real world.
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Abstract
The present report summarises a meeting held by the Food & Health Forum at the Royal Society of Medicine, London, on 27 May 2010. The objective of the meeting was to review the problems associated with the use of evidence-based nutrition and to discuss what constitutes the efficacy for foods and food constituents and how the strength and consistency of the evidence can be assessed and adapted to circumstances in which health claims are to be used on food products. The meeting highlighted the limitations with the present evidence-based nutrition models with the prospect that this may have long-term consequences for nutrition science and ultimately the consumer who may not benefit from new science that could have an impact on health.
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