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Budzinska A, Teysseire F, Flad E, Dupont P, Wölnerhanssen B, Meyer-Gerspach AC, Van Oudenhove L, Weltens N. Neural responses to oral administration of erythritol vs. sucrose and sucralose explain differences in subjective liking ratings. Appetite 2024; 200:107422. [PMID: 38788930 DOI: 10.1016/j.appet.2024.107422] [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: 12/11/2023] [Revised: 05/06/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024]
Abstract
INTRODUCTION High sugar intake is associated with many chronic diseases. However, non-caloric sweeteners (NCSs) might fail to successfully replace sucrose due to the mismatch between their rewarding sweet taste and lack of caloric content. The natural NCS erythritol has been proposed as a sugar substitute due to its satiating properties despite being non-caloric. We aimed to compare brain responses to erythritol vs. sucrose and the artificial NCS sucralose in a priori taste, homeostatic, and reward brain regions of interest (ROIs). METHODS We performed a within-subject, single-blind, counterbalanced fMRI study in 30 healthy men (mean ± SEM age:24.3 ± 0.8 years, BMI:22.3 ± 0.3 kg/m2). Before scanning, we individually matched the concentrations of both NCSs to the perceived sweetness intensity of a 10% sucrose solution. During scanning, participants received 1 mL sips of the individually titrated equisweet solutions of sucrose, erythritol, and sucralose, as well as water. After each sip, they rated subjective sweetness liking. RESULTS Liking ratings were significantly higher for sucrose and sucralose vs. erythritol (both pHolm = 0.0037); water ratings were neutral. General Linear Model (GLM) analyses of brain blood oxygen level-depended (BOLD) responses at qFDR<0.05 showed no differences between any of the sweeteners in a priori ROIs, but distinct differences were found between the individual sweeteners and water. These results were confirmed by Bayesian GLM and machine learning-based models. However, several brain response patterns mediating the differences in liking ratings between the sweeteners were found in whole-brain multivariate mediation analyses. Both subjective and neural responses showed large inter-subject variability. CONCLUSION We found lower liking ratings in response to oral administration of erythritol vs. sucrose and sucralose, but no differences in neural responses between any of the sweeteners in a priori ROIs. However, differences in liking ratings between erythritol vs. sucrose or sucralose are mediated by multiple whole-brain response patterns.
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Affiliation(s)
- Aleksandra Budzinska
- Laboratory for Brain-Gut Axis Studies (LaBGAS), Translational Research in Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Leuven, Belgium; Leuven Brain Institute, KU Leuven, Leuven, Belgium.
| | - Fabienne Teysseire
- St. Clara Research Ltd at St. Claraspital, Basel, Switzerland; University of Basel, Faculty of Medicine, Basel, Switzerland
| | - Emilie Flad
- St. Clara Research Ltd at St. Claraspital, Basel, Switzerland; University of Basel, Faculty of Medicine, Basel, Switzerland
| | - Patrick Dupont
- Leuven Brain Institute, KU Leuven, Leuven, Belgium; Laboratory for Cognitive Neurology, Department of Neurosciences, KU Leuven, Leuven, Belgium
| | - Bettina Wölnerhanssen
- St. Clara Research Ltd at St. Claraspital, Basel, Switzerland; University of Basel, Faculty of Medicine, Basel, Switzerland
| | - Anne Christin Meyer-Gerspach
- St. Clara Research Ltd at St. Claraspital, Basel, Switzerland; University of Basel, Faculty of Medicine, Basel, Switzerland
| | - Lukas Van Oudenhove
- Laboratory for Brain-Gut Axis Studies (LaBGAS), Translational Research in Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Leuven, Belgium; Leuven Brain Institute, KU Leuven, Leuven, Belgium; Cognitive and Affective Neuroscience Lab (CANlab), Department of Psychological and Brain Sciences, Dartmouth College, USA
| | - Nathalie Weltens
- Laboratory for Brain-Gut Axis Studies (LaBGAS), Translational Research in Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Leuven, Belgium; Leuven Brain Institute, KU Leuven, Leuven, Belgium
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Jiang S, Song B, Liu Z, Shen S, Qian W, Sun J, Chen G, Zhu Y. Neuronal activity in the anterior paraventricular nucleus of thalamus positively correlated with sweetener consumption in mice. Neurosci Res 2024; 205:16-26. [PMID: 38364907 DOI: 10.1016/j.neures.2024.02.002] [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: 08/22/2023] [Revised: 02/02/2024] [Accepted: 02/07/2024] [Indexed: 02/18/2024]
Abstract
Although the brain can discriminate between various sweet substances, the underlying neural mechanisms of this complex behavior remain elusive. This study examines the role of the anterior paraventricular nucleus of the thalamus (aPVT) in governing sweet preference in mice. We fed the mice six different diets with equal sweetness for six weeks: control diet (CD), high sucrose diet (HSD), high stevioside diet (HSSD), high xylitol diet (HXD), high glycyrrhizin diet (HGD), and high mogroside diet (HMD). The mice exhibited a marked preference specifically for the HSD and HSSD. Following consumption of these diets, c-Fos expression levels in the aPVT were significantly higher in these two groups compared to the others. Utilizing fiber photometry calcium imaging, we observed rapid activation of aPVT neurons in response to sucrose and stevioside intake, but not to xylitol or water. Our findings suggest that aPVT activity aligns with sweet preference in mice, and notably, stevioside is the sole plant-based sweetener that elicits an aPVT response comparable to that of sucrose.
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Affiliation(s)
- Shaolei Jiang
- Key Laboratory of Optical Technology and Instrument for Medicine, Ministry of Education, School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China; The Brain Cognition and Brain Diseases Institute of Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences (CAS), Shenzhen 518055, China
| | - Bo Song
- Key Laboratory of Optical Technology and Instrument for Medicine, Ministry of Education, School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Zhongdong Liu
- Grain College, Henan University of Technology, Zhengzhou 450001, China; Instituto de Física da Universidade de São Paulo, Sã o Paulo 05508-090, Brazil
| | - Shuifa Shen
- Hefei lnstitutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China; School of Intelligent Manufacturing, Zhejiang Guangsha Vocational and Technical University of Construction, Jinhua 322100, China
| | - Weiliang Qian
- Instituto de Física da Universidade de São Paulo, Sã o Paulo 05508-090, Brazil
| | - Jing Sun
- Department of Anesthesiology, Shenzhen Maternity & Child Healthcare Hospital, The First School of Clinical Medicine, Southern Medical University, No.2004 Hongli Road, Shenzhen 518028, China
| | - Gaowei Chen
- The Brain Cognition and Brain Diseases Institute of Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences (CAS), Shenzhen 518055, China.
| | - Yingjie Zhu
- The Brain Cognition and Brain Diseases Institute of Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences (CAS), Shenzhen 518055, China.
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Yılmaz HÖ, Meriç ÇS, Yabancı Ayhan N. Comparing the effects of dietary sugars on cognitive performance and reaction time: A randomized, placebo- controlled and double-blind experimental trial. APPLIED NEUROPSYCHOLOGY. ADULT 2023:1-9. [PMID: 37453741 DOI: 10.1080/23279095.2023.2232911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
The aim of the study was to compare the effects of acute intake dietary sugars on cognitive performance and reaction time. This study was, randomized, placebo-controlled, double-blind experimental design, conducted with 75 healthy adults. At the beginning of the study, the participants (36 male, 39 female; 21.6 ± 1.3 years of age; body mass index: 21.59 ± 1.94 kg/m2) were randomly divided into equal five groups (n:15) (glucose (10 g), fructose (10 g), sucrose (10 g), saccharin (0.24 g), placebo), and received dietary sugars dissolved in 200 mL of water. Cognitive performance was determined with Cancelation Test, and the Simple Response Time and Ruler Drop Tests were used in order to response and reaction time of participants, respectively. General score of cognitive performance (0.93 ± 0.1), reaction (295 ± 20 ms), and response (204 ms) were highest in glucose and lowest in placebo (0.63 ± 0.1; 368 ± 22 ms; 251 ms, respectively) (p < .001). Saccharin groups had a higher reaction (312 ± 22 ms) and response (216 ms) time score compared to consumed fructose (316 ± 39; 227 ms), sucrose (354 ± 26; 246 ms), and placebo (368 ± 22; 251 ms) groups, respectively (p < .001). These findings show that differences in the absorption pattern and sweetness levels of sugar types may have different effects on cognitive performance and reaction time.
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Affiliation(s)
- Hacı Ömer Yılmaz
- Department of Nutrition and Dietetics, Gümüşhane University, Gümüşhane, Türkiye
| | - Çağdaş Salih Meriç
- Department of Nutrition and Dietetics, Gaziantep University, Gaziantep, Türkiye
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Wołyniec W, Szwarc A, Kasprowicz K, Zorena K, Jaskulak M, Renke M, Naczyk M, Ratkowski W. Impact of hydration with beverages containing free sugars or xylitol on metabolic and acute kidney injury markers after physical exercise. Front Physiol 2022; 13:841056. [PMID: 36338481 PMCID: PMC9632281 DOI: 10.3389/fphys.2022.841056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 09/23/2022] [Indexed: 11/17/2022] Open
Abstract
The proper fluid and carbohydrates intake is essential before and during physical exercise, and for this reason most athletes drink beverages containing a high amount of free sugars. Sweetened soft drinks are also commonly consumed by those not doing any sport, and this habit seems to be both unhealthy and also the cause of metabolic problems. Recently, several sweeteners have been proposed to replace sugars in popular beverages. To examine the impact of free sugars and the popular sweetener xylitol on metabolic profile and the markers of kidney function and injury after exercise the present study was conducted with semi-professional football players. All participants were healthy, with a mean age of 21.91 years. Their sports skills were on the level of the 4th-5th division of the league. The subjects took part in four football training sessions. During each session they drank a 7% solution of sugar (sucrose, fructose, glucose) or xylitol. The tolerability of these beverages and well-being during exercise was monitored. Before and after each training session, blood and urine were collected. The markers of kidney function and injury, uric acid, electrolytes, complete blood count, CRP, serum albumin, serum glucose and the lipid profile were analyzed. The main finding of this study was that the xylitol beverage is the least tolerated during exercise and 38.89% of participants experienced diarrhea after training and xylitol intake. Xylitol also led to unfavorable metabolic changes and a large increase in uric acid and creatinine levels. A mean increase of 1.8 mg/dl in the uric acid level was observed after xylitol intake. Increases in acute kidney injury markers were observed after all experiments, but changes in urine albumin and cystatin C were highest after xylitol. The other three beverages (containing “free sugars” - glucose, fructose and sucrose) had a similar impact on the variables studied, although the glucose solution seems to have some advantages over other beverages. The conclusion is that sweeteners are not a good alternative to sugars, especially during exercise. Pure water without sweeteners should be drunk by those who need to limit their calorie consumption. Clinical Trial Registration:ClinicalTrials.gov, (NCT04310514)
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Affiliation(s)
- Wojciech Wołyniec
- Division of Occupational, Metabolic and Internal Diseases, Medical University of Gdańsk, Gdańsk, Poland
- *Correspondence: Wojciech Wołyniec,
| | - Andrzej Szwarc
- Department of Sport Sciences, Gdańsk University of Physical Education and Sport, Gdańsk, Poland
| | - Katarzyna Kasprowicz
- Faculty of Physical Education, Gdańsk University of Physical Education and Sport, Gdańsk, Poland
| | - Katarzyna Zorena
- Division of Immunobiology and Environmental Microbiology, Medical University of Gdańsk, Gdańsk, Poland
| | - Marta Jaskulak
- Division of Immunobiology and Environmental Microbiology, Medical University of Gdańsk, Gdańsk, Poland
| | - Marcin Renke
- Division of Occupational, Metabolic and Internal Diseases, Medical University of Gdańsk, Gdańsk, Poland
| | - Marta Naczyk
- Laboratory of Nutritional Biochemistry, Department of Clinical Nutrition, Medical University of Gdańsk, Gdańsk, Poland
| | - Wojciech Ratkowski
- Department of Athletics, Gdańsk University of Physical Education and Sport, Gdańsk, Poland
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Human Taste-Perception: Brain Computer Interface (BCI) and Its Application as an Engineering Tool for Taste-Driven Sensory Studies. FOOD ENGINEERING REVIEWS 2022. [DOI: 10.1007/s12393-022-09308-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Yunker AG, Alves JM, Luo S, Angelo B, DeFendis A, Pickering TA, Monterosso JR, Page KA. Obesity and Sex-Related Associations With Differential Effects of Sucralose vs Sucrose on Appetite and Reward Processing: A Randomized Crossover Trial. JAMA Netw Open 2021; 4:e2126313. [PMID: 34581796 PMCID: PMC8479585 DOI: 10.1001/jamanetworkopen.2021.26313] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
IMPORTANCE Nonnutritive sweeteners (NNSs) are used as an alternative to nutritive sweeteners to quench desire for sweets while reducing caloric intake. However, studies have shown mixed results concerning the effects of NNSs on appetite, and the associations between sex and obesity with reward and appetitive responses to NNS compared with nutritive sugar are unknown. OBJECTIVE To examine neural reactivity to different types of high-calorie food cues (ie, sweet and savory), metabolic responses, and eating behavior following consumption of sucralose (NNS) vs sucrose (nutritive sugar) among healthy young adults. DESIGN, SETTING, AND PARTICIPANTS In a randomized, within-participant, crossover trial including 3 separate visits, participants underwent a functional magnetic resonance imaging task measuring blood oxygen level-dependent signal in response to visual cues. For each study visit, participants arrived at the Dornsife Cognitive Neuroimaging Center of University of Southern California at approximately 8:00 am after a 12-hour overnight fast. Blood was sampled at baseline and 10, 35, and 120 minutes after participants received a drink containing sucrose, sucralose, or water to measure plasma glucose, insulin, glucagon-like peptide(7-36), acyl-ghrelin, total peptide YY, and leptin. Participants were then presented with an ad libitum meal. Participants were right-handed, nonsmokers, weight-stable for at least 3 months before the study visits, nondieters, not taking medication, and with no history of eating disorders, illicit drug use, or medical diagnoses. Data analysis was performed from March 2020 to March 2021. INTERVENTIONS Participants ingested 300-mL drinks containing either sucrose (75 g), sucralose (individually sweetness matched), or water (as a control). MAIN OUTCOMES AND MEASURES Primary outcomes of interest were the effects of body mass index (BMI) status and sex on blood oxygen level-dependent signal to high-calorie food cues, endocrine, and feeding responses following sucralose vs sucrose consumption. Secondary outcomes included neural, endocrine, and feeding responses following sucrose vs water and sucralose vs water (control) consumption, and cue-induced appetite ratings following sucralose vs sucrose (and vs water). RESULTS A total of 76 participants were randomized, but 2 dropped out, leaving 74 adults (43 women [58%]; mean [SD] age, 23.40 [3.96] years; BMI range, 19.18-40.27) who completed the study. In this crossover design, 73 participants each received water (drink 1) and sucrose (drink 2), and 72 participants received water (drink 1), sucrose (drink 2), and sucralose (drink 3). Sucrose vs sucralose was associated with greater production of circulating glucose, insulin, and glucagon-like peptide-1 and suppression of acyl-ghrelin, but no differences were found for peptide YY or leptin. BMI status by drink interactions were observed in the medial frontal cortex (MFC; P for interaction < .001) and orbitofrontal cortex (OFC; P for interaction = .002). Individuals with obesity (MFC, β, 0.60; 95% CI, 0.38 to 0.83; P < .001; OFC, β, 0.27; 95% CI, 0.11 to 0.43; P = .002), but not those with overweight (MFC, β, 0.02; 95% CI, -0.19 to 0.23; P = .87; OFC, β, -0.06; 95% CI, -0.21 to 0.09; P = .41) or healthy weight (MFC, β, -0.13; 95% CI, -0.34 to 0.07; P = .21; OFC, β, -0.08; 95% CI, -0.23 to 0.06; P = .16), exhibited greater responsivity in the MFC and OFC to savory food cues after sucralose vs sucrose. Sex by drink interactions were observed in the MFC (P for interaction = .03) and OFC (P for interaction = .03) after consumption of sucralose vs sucrose. Female participants had greater MFC and OFC responses to food cues (MFC high-calorie vs low-calorie cues, β, 0.21; 95% CI, 0.05 to 0.37; P = .01; MFC sweet vs nonfood cues, β, 0.22; 95% CI, 0.02 to 0.42; P = .03; OFC food vs nonfood cues, β, 0.12; 95% CI, 0.02 to 0.22; P = .03; and OFC sweet vs nonfood cues, β, 0.15; 95% CI, 0.03 to 0.27; P = .01), but male participants' responses did not differ (MFC high-calorie vs low-calorie cues, β, 0.01; 95% CI, -0.19 to 0.21; P = .90; MFC sweet vs nonfood cues, β, -0.04; 95% CI, -0.26 to 0.18; P = .69; OFC food vs nonfood cues, β, -0.08; 95% CI, -0.24 to 0.08; P = .32; OFC sweet vs nonfood cues, β, -0.11; 95% CI, -0.31 to 0.09; P = .31). A sex by drink interaction on total calories consumed during the buffet meal was observed (P for interaction = .03). Female participants consumed greater total calories (β, 1.73; 95% CI, 0.38 to 3.08; P = .01), whereas caloric intake did not differ in male participants (β, 0.68; 95% CI, -0.99 to 2.35; P = .42) after sucralose vs sucrose ingestion. CONCLUSIONS AND RELEVANCE These findings suggest that female individuals and those with obesity may be particularly sensitive to disparate neural responsivity elicited by sucralose compared with sucrose consumption. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT02945475.
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Affiliation(s)
- Alexandra G. Yunker
- Division of Endocrinology, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles
- Diabetes and Obesity Research Institute, Keck School of Medicine, University of Southern California, Los Angeles
| | - Jasmin M. Alves
- Division of Endocrinology, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles
- Diabetes and Obesity Research Institute, Keck School of Medicine, University of Southern California, Los Angeles
| | - Shan Luo
- Division of Endocrinology, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles
- Diabetes and Obesity Research Institute, Keck School of Medicine, University of Southern California, Los Angeles
- Department of Psychology, University of Southern California, Los Angeles
| | - Brendan Angelo
- Division of Endocrinology, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles
- Diabetes and Obesity Research Institute, Keck School of Medicine, University of Southern California, Los Angeles
| | - Alexis DeFendis
- Division of Endocrinology, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles
- Diabetes and Obesity Research Institute, Keck School of Medicine, University of Southern California, Los Angeles
| | - Trevor A. Pickering
- Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles
| | - John R. Monterosso
- Department of Psychology, University of Southern California, Los Angeles
| | - Kathleen A. Page
- Division of Endocrinology, Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles
- Diabetes and Obesity Research Institute, Keck School of Medicine, University of Southern California, Los Angeles
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Zheng Y, Gao H, Wang H, Zhu B, Shi B, Zhong K, Sun P, Zhang L, Zhao L. The relationship between Scoville Units and the suprathreshold intensity of sweeteners and Sichuan pepper oleoresins. J SENS STUD 2021. [DOI: 10.1111/joss.12699] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Hai‐Yan Gao
- College of Life Science, Shanghai University Shanghai China
| | - Hou‐Yin Wang
- Food and Agriculture Standardization Institute, China National Institute of Standardization Beijing China
| | - Bao‐qing Zhu
- College of Biological Science and Technology, Beijing Forestry University Beijing China
| | - Bo‐Lin Shi
- Food and Agriculture Standardization Institute, China National Institute of Standardization Beijing China
| | - Kui Zhong
- Food and Agriculture Standardization Institute, China National Institute of Standardization Beijing China
| | - Pei Sun
- Department of Psychology School of Social Sciences, Tsinghua University Beijing China
| | - Lu‐Lu Zhang
- Department of Psychology School of Social Sciences, Tsinghua University Beijing China
- Food and Agriculture Standardization Institute, China National Institute of Standardization Beijing China
- College of Biological Science and Technology, Beijing Forestry University Beijing China
| | - Lei Zhao
- Food and Agriculture Standardization Institute, China National Institute of Standardization Beijing China
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Arsalidou M, Vijayarajah S, Sharaev M. Basal ganglia lateralization in different types of reward. Brain Imaging Behav 2021; 14:2618-2646. [PMID: 31927758 DOI: 10.1007/s11682-019-00215-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Reward processing is a fundamental human activity. The basal ganglia are recognized for their role in reward processes; however, specific roles of the different nuclei (e.g., nucleus accumbens, caudate, putamen and globus pallidus) remain unclear. Using quantitative meta-analyses we assessed whole-brain and basal ganglia specific contributions to money, erotic, and food reward processing. We analyzed data from 190 fMRI studies which reported stereotaxic coordinates of whole-brain, within-group results from healthy adult participants. Results showed concordance in overlapping and distinct cortical and sub-cortical brain regions as a function of reward type. Common to all reward types was concordance in basal ganglia nuclei, with distinct differences in hemispheric dominance and spatial extent in response to the different reward types. Food reward processing favored the right hemisphere; erotic rewards favored the right lateral globus pallidus and left caudate body. Money rewards engaged the basal ganglia bilaterally including its most anterior part, nucleus accumbens. We conclude by proposing a model of common reward processing in the basal ganglia and separate models for money, erotic, and food rewards.
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Affiliation(s)
- Marie Arsalidou
- Department of Psychology, National Research University Higher School of Economics, Moscow, Russian Federation. .,Department of Psychology, Faculty of Health, York University, Toronto, ON, Canada.
| | - Sagana Vijayarajah
- Department of Psychology, Faculty of Arts and Science, University of Toronto, Toronto, ON, Canada
| | - Maksim Sharaev
- Skolkovo Institute of Science and Technology, Moscow, Russian Federation
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Sigala DM, Stanhope KL. An Exploration of the Role of Sugar-Sweetened Beverage in Promoting Obesity and Health Disparities. Curr Obes Rep 2021; 10:39-52. [PMID: 33411311 PMCID: PMC7788552 DOI: 10.1007/s13679-020-00421-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/17/2020] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW The mechanistic role of sugar-sweetened beverage (SSB) in the etiology of obesity is undetermined. We address whether, compared to other foods, does consumption of SSB (1) automatically lead to failure to compensate for the energy it contains? (2) fail to elicit homeostatic hormone responses? (3) promote hedonic eating through activation of the brain's reward pathways? We followed the evidence to address: (4) Would restriction of targeted marketing of SSB and other unhealthy foods to vulnerable populations decrease their prevalence of obesity? RECENT FINDINGS The data are lacking to demonstrate that SSB consumption promotes body weight gain compared with isocaloric consumption of other beverages or foods and that this is linked to its failure to elicit adequate homeostatic hormone responses. However, more recent data have linked body weight gain to reward activation in the brain to palatable food cues and suggest that sweet tastes and SSB consumption heightens the reward response to food cues. Studies investigating the specificity of these responses have not been conducted. Nevertheless, the current data provide a biological basis to the body of evidence demonstrating that the targeted marketing (real life palatable food cues) of SSB and other unhealthy foods to vulnerable populations, including children and people of color and low socioeconomic status, is increasing their risk for obesity. While the mechanisms for the association between SSB consumption and body weight gain cannot be identified, current scientific evidence strongly suggests that proactive environmental measures to reduce exposure to palatable food cues in the form of targeting marketing will decrease the risk of obesity in vulnerable populations.
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Affiliation(s)
- Desiree M. Sigala
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California (UC), Davis, 2211 VM3B, Davis, CA 95616 USA
| | - Kimber L. Stanhope
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California (UC), Davis, 2211 VM3B, Davis, CA 95616 USA
- Basic Sciences, Touro University of California, Vallejo, CA USA
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Schiano C, Grimaldi V, Scognamiglio M, Costa D, Soricelli A, Nicoletti GF, Napoli C. Soft drinks and sweeteners intake: Possible contribution to the development of metabolic syndrome and cardiovascular diseases. Beneficial or detrimental action of alternative sweeteners? Food Res Int 2021; 142:110220. [PMID: 33773688 DOI: 10.1016/j.foodres.2021.110220] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 02/02/2021] [Accepted: 02/05/2021] [Indexed: 01/04/2023]
Abstract
The rapid increase in obesity, metabolic syndrome, and cardiovascular diseases (CVDs) has been related to the rise in sugar-added foods and sweetened beverages consumption. An interesting approach has been to replace sugar with alternative sweeteners (AS), due to their impact on public health. Preclinical and clinical studies, which analyze the safety of AS intake, are still limited. Major pathogenic mechanisms of these substances include ROS and AGEs formation. Indeed, endothelial dysfunction involving in the pathogenesis of micro- and macro-vascular diseases is mitochondrial dysfunction dependent. Hyperglycemia and endoplasmic reticulum stress together produce ROS, contributing to the development and progression of cardiovascular complications during type 2 diabetes (T2D), thus causing oxidative changes and direct damage of lipids, proteins, and DNA. Epidemiological studies in healthy subjects have suggested that the consumption of artificial AS can promote CV complications, such as glucose intolerance and predisposition to the onset of T2D, whereas natural AS could reduce hyperglycemia, improve lipid metabolism and have antioxidant effects. Long-term prospective clinical randomized studies are needed to evaluate precisely whether exposure to alternative sugars can have clinical implications on natural history and clinical outcomes, especially in children or during the gestational period through breast milk.
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Affiliation(s)
- Concetta Schiano
- Department of Advanced Medical and Surgical Sciences (DAMSS), University of Campania "L. Vanvitelli", Naples, Italy.
| | | | - Michele Scognamiglio
- Clinical Department of Internal Medicine and Specialistic Units, Division of Clinical Immunology and Immunohematology, Transfusion Medicine, and Transplant Immunology [SIMT], Regional Reference Laboratory of Transplant Immunology [LIT], Azienda Universitaria Policlinico (AOU), Naples, Italy
| | - Dario Costa
- Clinical Department of Internal Medicine and Specialistic Units, Division of Clinical Immunology and Immunohematology, Transfusion Medicine, and Transplant Immunology [SIMT], Regional Reference Laboratory of Transplant Immunology [LIT], Azienda Universitaria Policlinico (AOU), Naples, Italy
| | - Andrea Soricelli
- IRCCS SDN, Naples, Italy; Department of Exercise and Wellness Sciences, University of Naples Parthenope, Naples, Italy
| | - Giovanni Francesco Nicoletti
- Multidisciplinary Department of Medical, Surgical and Dental Sciences, Plastic Surgery Unit, University of Campania "L. Vanvitelli", Naples, Italy
| | - Claudio Napoli
- Department of Advanced Medical and Surgical Sciences (DAMSS), University of Campania "L. Vanvitelli", Naples, Italy; IRCCS SDN, Naples, Italy; Clinical Department of Internal Medicine and Specialistic Units, Division of Clinical Immunology and Immunohematology, Transfusion Medicine, and Transplant Immunology [SIMT], Regional Reference Laboratory of Transplant Immunology [LIT], Azienda Universitaria Policlinico (AOU), Naples, Italy
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11
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Sorrentino ZA, Smith G, Palm L, Motwani K, Butterfield J, Archer C, Henderson R, Heldermon C, Gautam S, Brantly ML. An Erythritol-Sweetened Beverage Induces Satiety and Suppresses Ghrelin Compared to Aspartame in Healthy Non-Obese Subjects: A Pilot Study. Cureus 2020; 12:e11409. [PMID: 33194505 PMCID: PMC7657312 DOI: 10.7759/cureus.11409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 11/09/2020] [Indexed: 11/28/2022] Open
Abstract
Despite the reduced caloric content of artificially sweetened beverages (ASBs) relative to those sweetened with sucrose, consumption of ASBs fail to consistently decrease the risk of obesity and associated diseases. This failure may be due to the inability of ASBs to effectively reduce appetite and hence overall caloric intake. A variety of non-nutritive sweeteners (NNS), however, remain to be screened for effectiveness in promoting satiety and reducing calorie consumption. Erythritol is well-tolerated, low-calorie sugar alcohol widely used as a sugar substitute. It is unique among NNS due to its low sweetness index relative to glucose, meaning that it is typically served at much higher concentrations than other common NNS. Animal and human studies have noted correlations between osmolarity, satiety, and levels of satiety hormones, independent of the effects of sweetness or nutritive value. We hypothesized that consumption of a beverage sweetened with erythritol to the sweetness and osmolarity of a common soft drink will improve self-reported satiety and more strongly affect the magnitude of changes in the hormone ghrelin than would an iso sweet beverage sweetened only with aspartame, a sweetener with a high sweetness index relative to glucose. Using a randomized double-blind crossover trial, we found that serum ghrelin was significantly decreased after consumption of an erythritol-sweetened beverage compared to aspartame. Likewise, consumption of the erythritol-sweetened beverage increased various measures of satiety in volunteers. Knowledge gained from this project demonstrates that high-osmolarity NNS may be useful in formulating ASBs that are satiating and low in calories.
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Affiliation(s)
| | - Garrett Smith
- Medicine, University of Florida College of Medicine, Gainesville, USA
| | - Lindsey Palm
- Medicine, University of Florida College of Medicine, Gainesville, USA
| | - Kartik Motwani
- Medicine, University of Florida College of Medicine, Gainesville, USA
| | - John Butterfield
- Medicine, University of Florida College of Medicine, Gainesville, USA
| | - Christian Archer
- Medicine, University of Florida College of Medicine, Gainesville, USA
| | - Rebecca Henderson
- Medicine, University of Florida College of Medicine, Gainesville, USA
| | - Coy Heldermon
- Medicine, University of Florida College of Medicine, Gainesville, USA
| | - Shiva Gautam
- Medicine, University of Florida College of Medicine, Jacksonville, USA
| | - Mark L Brantly
- Medicine, University of Florida College of Medicine, Gainesville, USA
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12
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Yeung AWK, Wong NSM. How Does Our Brain Process Sugars and Non-Nutritive Sweeteners Differently: A Systematic Review on Functional Magnetic Resonance Imaging Studies. Nutrients 2020; 12:nu12103010. [PMID: 33007961 PMCID: PMC7600285 DOI: 10.3390/nu12103010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/28/2020] [Accepted: 09/28/2020] [Indexed: 11/18/2022] Open
Abstract
This systematic review aimed to reveal the differential brain processing of sugars and sweeteners in humans. Functional magnetic resonance imaging studies published up to 2019 were retrieved from two databases and were included into the review if they evaluated the effects of both sugars and sweeteners on the subjects’ brain responses, during tasting and right after ingestion. Twenty studies fulfilled the inclusion criteria. The number of participants per study ranged from 5 to 42, with a total number of study participants at 396. Seven studies recruited both males and females, 7 were all-female and 6 were all-male. There was no consistent pattern showing that sugar or sweeteners elicited larger brain responses. Commonly involved brain regions were insula/operculum, cingulate and striatum, brainstem, hypothalamus and the ventral tegmental area. Future studies, therefore, should recruit a larger sample size, adopt a standardized fasting duration (preferably 12 h overnight, which is the most common practice and brain responses are larger in the state of hunger), and reported results with familywise-error rate (FWE)-corrected statistics. Every study should report the differential brain activation between sugar and non-nutritive sweetener conditions regardless of the complexity of their experiment design. These measures would enable a meta-analysis, pooling data across studies in a meaningful manner.
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Affiliation(s)
- Andy Wai Kan Yeung
- Oral and Maxillofacial Radiology, Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China
- Correspondence: ; Tel.: +852-28590403
| | - Natalie Sui Miu Wong
- Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Hong Kong, China;
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13
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Chen AB, Li F, Di EM, Zhang X, Zhao QY, Wen J. Influence of strengthened hemoperfusion combined with continuous venovenous hemofiltration on prognosis of patients with acute paraquat poisoning: SHP + CVVH improve prognosis of acute PQ patients. BMC Pharmacol Toxicol 2020; 21:49. [PMID: 32631415 PMCID: PMC7339412 DOI: 10.1186/s40360-020-00428-z] [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: 05/09/2019] [Accepted: 06/26/2020] [Indexed: 12/03/2022] Open
Abstract
Background The success rate of rescue is extremely low in acute paraquat poisoning. This study aimed to assess whether strengthened hemoperfusion (SHP) combined with continuous venovenous hemofiltration (CVVH) improves prognosis in patients with acute paraquat poisoning. Methods Patients from January 2005 to December 2018 were enrolled retrospectively. All selected patients were administered conventional therapy. They were divided according to the received treatments in the conventional therapy, hemoperfusion (HP), CVVH, SHP and SHP + CVVH groups. Follow-up was implemented until the 90th day after poisoning. Other outcomes included all-cause mortality on the 15th day after poisoning, and the percentages of respiratory failure and mechanical ventilation use. Results The study included 487 patients,and 211 died in all. Mortality rate in the SHP + CVVH group on the 90th day after poisoning was significantly decreased compared with those of other groups (p<0.001). Survival curves of all groups showed significant differences (p<0.001). SHP combined with CVVH was an independent factor reducing mortality risk (p<0.001). Mortality rate in the SHP + CVVH group on the 15th day after poisoning was also significantly decreased (p < 0.05). The proportions of patients in the SHP + CVVH group with acute respiratory failure and mechanical ventilation were significantly lower than those of other groups (p < 0.05). Conclusions SHP with CVVH may decrease the mortality rate of patients with acute paraquat poisoning on the 90th day after poisoning and improve the prognosis.
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Affiliation(s)
- An-Bao Chen
- Department of Emergency Medicine, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Fang Li
- Department of Emergency Medicine, the Second Affiliated Hospital of Kunming Medical University, Kunming, China.
| | - E-Mu Di
- Department of Emergency Medicine, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Xiao Zhang
- Department of Emergency Medicine, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Qun-Yuan Zhao
- Department of Emergency Medicine, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Jing Wen
- Department of Emergency Medicine, the Second Affiliated Hospital of Kunming Medical University, Kunming, China
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14
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Effects of Non-nutritive Sweeteners on Sweet Taste Processing and Neuroendocrine Regulation of Eating Behavior. Curr Nutr Rep 2020; 9:278-289. [PMID: 32588329 DOI: 10.1007/s13668-020-00323-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
PURPOSE OF REVIEW Non-nutritive sweeteners (NNS) are increasingly used as a replacement for nutritive sugars as means to quench the desire for "sweets" while contributing few or no dietary calories. However, there is concern that NNS may uncouple the evolved relationship between sweet taste and post-ingestive neuroendocrine signaling. In this review, we examine the effects of NNS exposure on neural and peripheral systems in humans. RECENT FINDINGS NNS exposure during early development may influence sweet taste preferences, and NNS consumption might increase motivation for sweet foods. Neuroimaging studies provide evidence that NNS elicit differential neuronal responsivity in areas related to reward and satiation, compared with caloric sweeteners. Findings are heterogenous regarding whether NNS affect physiological responses. Additional studies are warranted regarding the consequences of NNS on metabolic outcomes and neuroendocrine pathways. Given the widespread popularity of NNS, future studies are essential to establish their role in long-term health.
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15
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Roberts CA, Giesbrecht T, Fallon N, Thomas A, Mela DJ, Kirkham TC. A Systematic Review and Activation Likelihood Estimation Meta-Analysis of fMRI Studies on Sweet Taste in Humans. J Nutr 2020; 150:1619-1630. [PMID: 32271923 PMCID: PMC7269728 DOI: 10.1093/jn/nxaa071] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/16/2020] [Accepted: 02/28/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND The reward value of palatable foods is often cited as an important influence on eating behaviors, including intake of sugars. However, human neuroimaging studies have generated conflicting evidence on the basic neural representation of taste and reward responses to caloric sweeteners (sucrose and glucose), and most relevant studies have used small subject numbers. OBJECTIVE We conducted a systematic review and a coordinate-based meta-analysis of studies reporting brain responses to oral sugar solutions. METHODS A systematic search of MEDLINE, Scopus, and PsycINFO through October 2019 identified fMRI studies (in healthy human adults, including those with overweight or obesity) assessing differences in responses to purified sweet and nonsweet taste stimuli. Data were extracted with the primary objective of quantifying evidence for the activation of brain regions associated with caloric sweet taste sensation. We used activation likelihood estimation meta-analysis methods. We also performed multiple sensitivity analyses to assess the generality of effects. RESULTS Of 455 unique articles, 15 met the criteria for inclusion. These contributed to 2 primary meta-analyses: 1) sucrose (13 experiments, 179 coordinates, n = 241) and 2) sucrose + glucose (16 experiments, 209 coordinates, n = 262). Consistent activation was apparent in primary taste areas: insula (69.2% of studies) and opercular cortex (76.9% of studies), precentral gyri (53.9% of studies), and globus pallidus and postcentral gyrus (30.8% of studies for each). Evidence of reward activity (caudate) was seen in the primary analyses (30.8% of studies) but not in sensitivity analysis. CONCLUSIONS We confirm the importance of primary taste areas for gustatory processing in human adults. We also provide tentative evidence for reward-related caudate activity in relation to the sweet taste of caloric sugars. A number of factors affect the observation and interpretation of brain responses, including reward-related activity. Firm conclusions require confirmation with large data set studies.
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Affiliation(s)
- Carl A Roberts
- Department of Psychological Sciences, University of Liverpool, Liverpool, United Kingdom,Address correspondence to CAR (e-mail: )
| | | | - Nicholas Fallon
- Department of Psychological Sciences, University of Liverpool, Liverpool, United Kingdom
| | | | | | - Tim C Kirkham
- Department of Psychological Sciences, University of Liverpool, Liverpool, United Kingdom
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16
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Choe WH, Lee KA, Goto Y, Lee YA. Concurrent and Delayed Behavioral and Monoamine Alterations by Excessive Sucrose Intake in Juvenile Mice. Front Neurosci 2020; 14:504. [PMID: 32508582 PMCID: PMC7248345 DOI: 10.3389/fnins.2020.00504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 04/22/2020] [Indexed: 01/21/2023] Open
Abstract
Our daily diet in the modern society has substantially changed from that in the ancient past. Consequently, new disorders associated with such dietary changes have emerged. For instance, excessive intake of compounds, such as sucrose (SUC), has recently been reported to induce pathological neuronal changes in adults, such as food addiction. It is still largely unclear whether and how excessive intake of such nutrients affects neurodevelopment. We investigated changes in behavior and monoamine signaling caused by excessive, semi-chronic intake of SUC and the non-caloric sweetener saccharin (SAC) in juvenile mice, using a battery of behavioral tests and high-performance liquid chromatography. Both SUC and SAC intake induced behavioral alterations such as altered amphetamine responses, sucrose preference, stress response, and anxiety, but did not affect social behavior and cognitive function such as attention in juvenile and adult mice. Moreover, SUC and SAC also altered dopamine and serotonin transmission in mesocorticolimbic regions. Some of these behavioral and neural alterations were triggered by SAC and SUC but others were distinct between the treatments. Moreover, alterations induced in juvenile mice were also different from those observed in adult mice. These results suggest that excessive SUC and SAC intake during the juvenile period may cause concurrent and delayed behavioral and monoamine signaling alterations in juvenile and adult mice, respectively.
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Affiliation(s)
- Won-Hui Choe
- Department of Food Science and Nutrition, Daegu Catholic University, Gyeongsan, South Korea
| | - Kyung-A Lee
- Department of Food Science and Nutrition, Daegu Catholic University, Gyeongsan, South Korea
| | - Yukiori Goto
- Primate Research Institute, Kyoto University, Kyoto, Japan
| | - Young-A Lee
- Department of Food Science and Nutrition, Daegu Catholic University, Gyeongsan, South Korea
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17
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Mouillot T, Parise A, Greco C, Barthet S, Brindisi MC, Penicaud L, Leloup C, Brondel L, Jacquin-Piques A. Differential Cerebral Gustatory Responses to Sucrose, Aspartame, and Stevia Using Gustatory Evoked Potentials in Humans. Nutrients 2020; 12:nu12020322. [PMID: 32012665 PMCID: PMC7071252 DOI: 10.3390/nu12020322] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 01/23/2020] [Accepted: 01/24/2020] [Indexed: 11/25/2022] Open
Abstract
Aspartame and Stevia are widely substituted for sugar. Little is known about cerebral activation in response to low-caloric sweeteners in comparison with high-caloric sugar, whereas these molecules lead to different metabolic effects. We aimed to compare gustatory evoked potentials (GEPs) obtained in response to sucrose solution in young, healthy subjects, with GEPs obtained in response to aspartame and Stevia. Twenty healthy volunteers were randomly stimulated with three solutions of similar intensities of sweetness: Sucrose 10 g/100 mL of water, aspartame 0.05 g/100 mL, and Stevia 0.03 g/100 mL. GEPs were recorded with EEG (Electroencephalogram) electrodes. Hedonic values of each solution were evaluated using the visual analog scale (VAS). The main result was that P1 latencies of GEPs were significantly shorter when subjects were stimulated by the sucrose solution than when they were stimulated by either the aspartame or the Stevia one. P1 latencies were also significantly shorter when subjects were stimulated by the aspartame solution than the Stevia one. No significant correlation was noted between GEP parameters and hedonic values marked by VAS. Although sucrose, aspartame, and Stevia lead to the same taste perception, cerebral activation by these three sweet solutions are different according to GEPs recording. Besides differences of taste receptors and cerebral areas activated by these substances, neural plasticity, and change in synaptic connections related to sweet innate preference and sweet conditioning, could be the best hypothesis to explain the differences in cerebral gustatory processing after sucrose and sweeteners activation.
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Affiliation(s)
- Thomas Mouillot
- Centre des Sciences du goût et de l’Alimentation, AgroSup Dijon, CNRS, INRA, Université Bourgogne Franche-Comté, F-21000 Dijon, France; (T.M.); (A.P.); (C.G.); (S.B.); (M.-C.B.); (L.P.); (C.L.); (L.B.)
- Department of Hepatology and Gastroenterology, 14, CHU Dijon Bourgogne, Rue Paul Gaffarel, F-21000 Dijon, France
| | - Anaïs Parise
- Centre des Sciences du goût et de l’Alimentation, AgroSup Dijon, CNRS, INRA, Université Bourgogne Franche-Comté, F-21000 Dijon, France; (T.M.); (A.P.); (C.G.); (S.B.); (M.-C.B.); (L.P.); (C.L.); (L.B.)
| | - Camille Greco
- Centre des Sciences du goût et de l’Alimentation, AgroSup Dijon, CNRS, INRA, Université Bourgogne Franche-Comté, F-21000 Dijon, France; (T.M.); (A.P.); (C.G.); (S.B.); (M.-C.B.); (L.P.); (C.L.); (L.B.)
| | - Sophie Barthet
- Centre des Sciences du goût et de l’Alimentation, AgroSup Dijon, CNRS, INRA, Université Bourgogne Franche-Comté, F-21000 Dijon, France; (T.M.); (A.P.); (C.G.); (S.B.); (M.-C.B.); (L.P.); (C.L.); (L.B.)
| | - Marie-Claude Brindisi
- Centre des Sciences du goût et de l’Alimentation, AgroSup Dijon, CNRS, INRA, Université Bourgogne Franche-Comté, F-21000 Dijon, France; (T.M.); (A.P.); (C.G.); (S.B.); (M.-C.B.); (L.P.); (C.L.); (L.B.)
- Department of Hepatology and Gastroenterology, 14, CHU Dijon Bourgogne, Rue Paul Gaffarel, F-21000 Dijon, France
- Department of Endocrinology and Nutrition, 14, CHU Dijon Bourgogne, Rue Paul Gaffarel, F-21000 Dijon, France
| | - Luc Penicaud
- Centre des Sciences du goût et de l’Alimentation, AgroSup Dijon, CNRS, INRA, Université Bourgogne Franche-Comté, F-21000 Dijon, France; (T.M.); (A.P.); (C.G.); (S.B.); (M.-C.B.); (L.P.); (C.L.); (L.B.)
- Department of Hepatology and Gastroenterology, 14, CHU Dijon Bourgogne, Rue Paul Gaffarel, F-21000 Dijon, France
- Department of Endocrinology and Nutrition, 14, CHU Dijon Bourgogne, Rue Paul Gaffarel, F-21000 Dijon, France
| | - Corinne Leloup
- Centre des Sciences du goût et de l’Alimentation, AgroSup Dijon, CNRS, INRA, Université Bourgogne Franche-Comté, F-21000 Dijon, France; (T.M.); (A.P.); (C.G.); (S.B.); (M.-C.B.); (L.P.); (C.L.); (L.B.)
| | - Laurent Brondel
- Centre des Sciences du goût et de l’Alimentation, AgroSup Dijon, CNRS, INRA, Université Bourgogne Franche-Comté, F-21000 Dijon, France; (T.M.); (A.P.); (C.G.); (S.B.); (M.-C.B.); (L.P.); (C.L.); (L.B.)
- Department of Hepatology and Gastroenterology, 14, CHU Dijon Bourgogne, Rue Paul Gaffarel, F-21000 Dijon, France
| | - Agnès Jacquin-Piques
- Centre des Sciences du goût et de l’Alimentation, AgroSup Dijon, CNRS, INRA, Université Bourgogne Franche-Comté, F-21000 Dijon, France; (T.M.); (A.P.); (C.G.); (S.B.); (M.-C.B.); (L.P.); (C.L.); (L.B.)
- Department of Clinical Neurophysiology, 14, CHU Dijon Bourgogne, Rue Paul Gaffarel, F-21000 Dijon, France
- Correspondence: ; Tel.: +33-3-80-29-59-02; Fax: +33-3-80-29-33-5
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18
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Toward isolating reward changes in diet-induced obesity: A demand analysis. Physiol Behav 2020; 213:112729. [PMID: 31678579 DOI: 10.1016/j.physbeh.2019.112729] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 10/29/2019] [Accepted: 10/29/2019] [Indexed: 11/22/2022]
Abstract
Although hormonal and metabolic factors are well known to influence obesity, recent evidence suggests that obesity may be influenced also by changes in reward sensitivity akin to that seen in other 'reward pathologies', like substance use disorders. The current study sought to isolate changes in reward that may occur after the onset of diet-induced obesity by characterizing the economic demand for caloric (sucrose) and non-caloric (saccharin) reinforcers in a preclinical model of diet-induced obesity (DIO). We utilized economic demand analysis to measure baseline demand intensity (Q0) and demand elasticity (α) for sucrose and saccharin reinforcers in rats. After baseline measures were collected, rats were assigned randomly to a high-fat (HF) diet or low-fat (LF) control diet. After 8-weeks of diet exposure, HF rats were divided into obesity-resistant (OR) or obesity-prone (OP) groups based on weight after the 8-week HF diet exposure. Post-DIO demand data for each reinforcer were reassessed. At baseline, rats had higher demand intensity and lower elasticity for sucrose compared to saccharin. After 8-weeks of the high-fat diet, OP rats had significantly greater weight gain and lower demand elasticity for sucrose and saccharin and higher demand intensity for saccharin. The changes in sucrose and saccharin elasticity suggest that DIO-induced changes in food-related behavior are associated with changes in reward processes. The changes in demand intensity for saccharin suggest that demand intensity, as a measure of 'set point', is not directly linked to metabolic processes. The current study shows that microeconomic theory and demand analysis is able to isolate independent aspects of diet-induced reward changes related to caloric and non-caloric reinforcers.
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Hunter SR, Reister EJ, Cheon E, Mattes RD. Low Calorie Sweeteners Differ in Their Physiological Effects in Humans. Nutrients 2019; 11:E2717. [PMID: 31717525 PMCID: PMC6893706 DOI: 10.3390/nu11112717] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/04/2019] [Accepted: 11/06/2019] [Indexed: 12/13/2022] Open
Abstract
Low calorie sweeteners (LCS) are prevalent in the food supply for their primary functional property of providing sweetness with little or no energy. Though tested for safety individually, there has been extremely limited work on the efficacy of each LCS. It is commonly assumed all LCS act similarly in their behavioral and physiological effects. However, each LCS has its own chemical structure that influences its metabolism, making each LCS unique in its potential effects on body weight, energy intake, and appetite. LCS may have different behavioral and physiological effects mediated at the sweet taste receptor, in brain activation, with gut hormones, at the microbiota and on appetitive responses. Further elucidation of the unique effects of the different commercially available LCS may hold important implications for recommendations about their use for different health outcomes.
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Affiliation(s)
| | | | | | - Richard D. Mattes
- Department of Nutrition Science, Purdue University, West Lafayette, IN 47907, USA; (S.R.H.); (E.J.R.); (E.C.)
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20
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Colouring perception: Package colour cues affect neural responses to sweet dairy drinks in reward and inhibition related regions. Appetite 2019; 142:104378. [PMID: 31326440 DOI: 10.1016/j.appet.2019.104378] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 07/01/2019] [Accepted: 07/17/2019] [Indexed: 12/11/2022]
Abstract
Extrinsic product cues such as package colour may change product perception and perceived reward value during product evaluation. Healthier foods (i.e., 'light', sugar- or fat-reduced) often have different packages than regular products, e.g., they may be less vibrantly coloured. People vary in their degree of health-interest and self-control ability and may be affected differently by package colour. This study assesses the extent to which package colour and participant characteristics interact and influence product perception and brain responses. Thirty-four healthy females performed a functional MRI task in which they viewed four differently coloured packages (regular vs. healthier; differing in brightness and saturation levels) with or without simultaneously tasting a either a regular or a healthier calorie-reduced drink. Results indicate main effects of package and taste and a package*taste interaction effect. Compared to healthier packages viewing regular packages enhanced activation in region implicated in inhibitory control (inferior frontal gyrus) and a reward-related region (striatum), the latter even more so as participants' health interest increased (r = 0.43, p = 0.01). Incongruent package-taste combinations decreased activation in the orbitofrontal cortex (OFC, a region implicated in reward representation) compared to congruent combinations. Tasting the healthier compared to regular product enhanced activation in the middle and superior frontal gyrus, which are implicated in inhibitory control, as well as the striatum and OFC, suggesting a cognitively driven preference for the healthier product. In conclusion, this paper provides evidence for the conditions under which package colour and taste properties modulate neural correlates related to reward and inhibition. Individual differences in health-interest and impulsivity influence package- and taste-related neural correlates and thus underscore the importance of taking participant characteristics into account in food research.
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21
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Higgins KA, Mattes RD. A randomized controlled trial contrasting the effects of 4 low-calorie sweeteners and sucrose on body weight in adults with overweight or obesity. Am J Clin Nutr 2019; 109:1288-1301. [PMID: 30997499 DOI: 10.1093/ajcn/nqy381] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 12/11/2018] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Low-calorie sweeteners (LCSs) provide sweetness with little or no energy. However, each LCS's unique chemical structure has potential to elicit different sensory, physiological, and behavioral responses that affect body weight. OBJECTIVE The purpose of this trial was to compare the effects of consumption of 4 LCSs and sucrose on body weight, ingestive behaviors, and glucose tolerance over a 12-wk intervention in adults (18-60 y old) with overweight or obesity (body mass index 25-40 kg/m2). METHODS In a parallel-arm design, 154 participants were randomly assigned to consume 1.25-1.75 L of beverage sweetened with sucrose (n = 39), aspartame (n = 30), saccharin (n = 29), sucralose (n = 28), or rebaudioside A (rebA) (n = 28) daily for 12 wk. The beverages contained 400-560 kcal/d (sucrose treatments) or <5 kcal/d (LCS treatments). Anthropometric indexes, energy intake, energy expenditure, appetite, and glucose tolerance were measured at baseline. Body weight was measured every 2 wk with energy intake, expenditure, and appetite assessed every 4 wk. Twenty-four-hour urine collections were completed every 4 wk to determine study compliance via para-aminobenzoic acid excretion. RESULTS Of the participants enrolled in the trial, 123 completed the 12-wk intervention. Sucrose and saccharin consumption led to increased body weight across the 12-wk intervention (Δweight = +1.85 ± 0.36 kg and +1.18 ± 0.36 kg, respectively; P ≤ 0.02) and did not differ from each other. There was no significant change in body weight with consumption of the other LCS treatments compared with baseline, but change in body weight for sucralose was negative and significantly lower compared with all other LCSs at week 12 (weight difference ≥ 1.37 ± 0.52 kg, P ≤ 0.008). Energy intake decreased with sucralose consumption (P = 0.02) and ingestive frequency was lower for sucralose than for saccharin (P = 0.045). Glucose tolerance was not significantly affected by any of the sweetener treatments. CONCLUSIONS Sucrose and saccharin consumption significantly increase body weight compared with aspartame, rebA, and sucralose, whereas weight change was directionally negative and lower for sucralose compared with saccharin, aspartame, and rebA consumption. LCSs should be categorized as distinct entities because of their differing effects on body weight. This trial was registered at clinicaltrials.gov as NCT02928653.
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Affiliation(s)
- Kelly A Higgins
- Departments of Food Science and Nutrition Science, Purdue University, West Lafayette, IN
| | - Richard D Mattes
- Departments of Nutrition Science, Purdue University, West Lafayette, IN
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It's in the eye of the beholder: selective attention to drink properties during tasting influences brain activation in gustatory and reward regions. Brain Imaging Behav 2019; 12:425-436. [PMID: 28321607 PMCID: PMC5880857 DOI: 10.1007/s11682-017-9710-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Statements regarding pleasantness, taste intensity or caloric content on a food label may influence the attention consumers pay to such characteristics during consumption. There is little research on the effects of selective attention on taste perception and associated brain activation in regular drinks. The aim of this study was to investigate the effect of selective attention on hedonics, intensity and caloric content on brain responses during tasting drinks. Using functional MRI brain responses of 27 women were measured while they paid attention to the intensity, pleasantness or caloric content of fruit juice, tomato juice and water. Brain activation during tasting largely overlapped between the three selective attention conditions and was found in the rolandic operculum, insula and overlying frontal operculum, striatum, amygdala, thalamus, anterior cingulate cortex and middle orbitofrontal cortex (OFC). Brain activation was higher during selective attention to taste intensity compared to calories in the right middle OFC and during selective attention to pleasantness compared to intensity in the right putamen, right ACC and bilateral middle insula. Intensity ratings correlated with brain activation during selective attention to taste intensity in the anterior insula and lateral OFC. Our data suggest that not only the anterior insula but also the middle and lateral OFC are involved in evaluating taste intensity. Furthermore, selective attention to pleasantness engaged regions associated with food reward. Overall, our results indicate that selective attention to food properties can alter the activation of gustatory and reward regions. This may underlie effects of food labels on the consumption experience of consumers.
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Weltens N, Iven J, Van Oudenhove L, Kano M. The gut-brain axis in health neuroscience: implications for functional gastrointestinal disorders and appetite regulation. Ann N Y Acad Sci 2019; 1428:129-150. [PMID: 30255954 DOI: 10.1111/nyas.13969] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 08/07/2018] [Accepted: 08/23/2018] [Indexed: 12/20/2022]
Abstract
Over the past few years, scientific interest in the gut-brain axis (i.e., the bidirectional communication system between the gastrointestinal tract and the brain) has exploded, mostly due to the identification of the gut microbiota as a novel key player in this communication. However, important progress has also been made in other aspects of gut-brain axis research, which has been relatively underemphasized in the review literature. Therefore, in this review, we provide a comprehensive, although not exhaustive, overview of recent research on the functional neuroanatomy of the gut-brain axis and its relevance toward the multidisciplinary field of health neuroscience, excluding studies on the role of the gut microbiota. More specifically, we first focus on irritable bowel syndrome, after which we outline recent findings on the role of the gut-brain axis in appetite and feeding regulation, primarily focusing on the impact of subliminal nutrient-related gut-brain signals. We conclude by providing future perspectives to facilitate translation of the findings from gut-brain axis neuroscientific research to clinical applications in these domains.
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Affiliation(s)
- Nathalie Weltens
- Laboratory for Brain-Gut Axis Studies (LaBGAS), Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases, Metabolism, and Ageing (CHROMETA), University of Leuven, Leuven, Belgium.,Leuven Brain Institute, University of Leuven, Leuven, Belgium
| | - Julie Iven
- Laboratory for Brain-Gut Axis Studies (LaBGAS), Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases, Metabolism, and Ageing (CHROMETA), University of Leuven, Leuven, Belgium.,Leuven Brain Institute, University of Leuven, Leuven, Belgium
| | - Lukas Van Oudenhove
- Laboratory for Brain-Gut Axis Studies (LaBGAS), Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases, Metabolism, and Ageing (CHROMETA), University of Leuven, Leuven, Belgium.,Leuven Brain Institute, University of Leuven, Leuven, Belgium.,Consultation-Liaison Psychiatry, University Psychiatric Centre KU Leuven, Campus Gasthuisberg, University of Leuven, Leuven, Belgium
| | - Michiko Kano
- Frontiers Research Institute for Interdisciplinary Sciences (FRIS), Tohoku University, Sendai, Japan.,Department of Behavioral Medicine, Graduate School of Medicine, Tohoku University, Sendai, Japan
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Smeets PAM, de Graaf C. Brain Responses to Anticipation and Consumption of Beer with and without Alcohol. Chem Senses 2019; 44:51-60. [PMID: 30423017 DOI: 10.1093/chemse/bjy071] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Beer is a popular alcoholic beverage worldwide. Nonalcoholic beer (NA-beer) is increasingly marketed. Brain responses to beer and NA-beer have not been compared. It could be that the flavor of beer constitutes a conditioned stimulus associated with alcohol reward. Therefore, we investigated whether oral exposure to NA-beer with or without alcohol elicits similar brain responses in reward-related areas in a context where regular alcoholic beer is expected. Healthy men (n = 21) who were regular beer drinkers were scanned using functional MRI. Participants were exposed to word cues signaling delivery of a 10-mL sip of chilled beer or carbonated water (control) and subsequent sips of NA-beer with or without alcohol or water (control). Beer alcohol content was not signaled. The beer cue elicited less activation than the control cue in the primary visual cortex, supplementary motor area (reward-related region) and bilateral inferior frontal gyrus/frontal operculum. During tasting, there were no significant differences between the 2 beers. Taste activation after swallowing was significantly greater for alcoholic than for NA-beer in the inferior frontal gyrus/anterior insula and dorsal prefrontal cortex (superior frontal gyrus). This appears to be due to sensory stimulation by ethanol rather than reward processing. In conclusion, we found no differences in acute brain reward upon consumption of NA-beer with and without alcohol, when presented in a context where regular alcoholic beer is expected. This suggests that in regular consumers, beer flavor rather than the presence of alcohol is the main driver of the consumption experience.
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Affiliation(s)
- Paul A M Smeets
- Division of Human Nutrition and Health, Wageningen University and Research, Wageningen, The Netherlands.,Image Sciences Institute, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Cees de Graaf
- Division of Human Nutrition and Health, Wageningen University and Research, Wageningen, The Netherlands
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25
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Wang XT. Resource Signaling via Blood Glucose in Embodied Decision Making. Front Psychol 2018; 9:1965. [PMID: 30374322 PMCID: PMC6196271 DOI: 10.3389/fpsyg.2018.01965] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 09/24/2018] [Indexed: 12/14/2022] Open
Abstract
Food, money, and time are exchangeable resources essential for survival and reproduction. Individuals live within finite budgets of these resources and make tradeoffs between money and time when making intertemporal choices between an immediate smaller reward and a delayed lager reward. In this paper, I examine signaling functions of blood glucose in regulating behaviors related to resource regulations beyond caloric metabolisms. These behavioral regulations include choices between energy expenditure and energy conservation, monetary intertemporal choices, and self-control in overcoming temptations. I begin by comparing potential embodied signals for resource forecasting and proactive decision making in terms of their pros and cons as a signal for regulating both metabolism and behavioral decision making and self-control. Based on this analysis, circulating glucose emerges as not only the designated fuel for brain metabolism but also a privileged resource forecasting signal for regulating immediate, short-term, and long-term behavioral adaptations to the resource budget of the decision maker. In the context of an on-going debate between the limited resource model and the motivation accounts of behavioral effects of blood glucose, I propose a dual functions (caloric provision and resource forecasting) and dual signaling (glucose taste and ingestion) hypothesis of circulating glucose in resource management, and provide behavioral and neurophysiological evidence of the separate effects of glucose taste to motivate effort for resource acquisition and glucose ingestion to promote resource conservation and future orientation. Accumulating evidence indicates that the body is able to detect fake signals of non-caloric sweeteners and react to such "caloric crisis" with an enhanced preference for immediate rewards over future rewards, revealing the wisdom of the body.
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Affiliation(s)
- Xiao-Tian Wang
- School of Humanities and Social Science, The Chinese University of Hong Kong, Shenzhen, Shenzen, China.,Department of Psychology, University of South Dakota, Vermillion, SD, United States
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26
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Glendinning JI. Oral Post-Oral Actions of Low-Calorie Sweeteners: A Tale of Contradictions and Controversies. Obesity (Silver Spring) 2018; 26 Suppl 3:S9-S17. [PMID: 30290077 DOI: 10.1002/oby.22253] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 05/28/2018] [Indexed: 01/05/2023]
Abstract
OBJECTIVE Many scientists and laypeople alike have concerns about low-calorie sweeteners (LCSs). These concerns stem from both a dissatisfaction with the taste of LCSs and reports that they cause metabolic disruptions (e.g., weight gain, glucose intolerance). METHODS This article provides a critical review of the literature on LCSs from the standpoint of their taste, gastrointestinal, and metabolic effects; biological fate in the body; and impact on ingestion and glucose homeostasis. RESULTS AND CONCLUSIONS Mammals can readily discriminate between LCSs and sugars because both types of sweetener activate distinct oral and post-oral sensory pathways. LCSs differ in their ability to access post-oral tissues, but few studies have incorporated this observation into their design. It is difficult to extrapolate results between mice, rats, and humans because of interspecies differences in the taste and post-oral actions of LCSs and the fact that investigators often use different response measures in rodents and humans. There is confounding in the experimental design of some of the most widely cited studies of LCS-induced metabolic disruptions. The uncritical acceptance of these studies has generated considerable controversy. More work is needed to obtain a clearer understanding of the metabolic effects of LCSs.
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Affiliation(s)
- John I Glendinning
- Department of Biology, Barnard College, Columbia University, New York, New York, USA
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Han P, Bagenna B, Fu M. The sweet taste signalling pathways in the oral cavity and the gastrointestinal tract affect human appetite and food intake: a review. Int J Food Sci Nutr 2018; 70:125-135. [PMID: 30058435 DOI: 10.1080/09637486.2018.1492522] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Sweet taste is associated with food reward and energy source in the form of carbohydrate. Excessive sweet consumption is blamed for the prevalence of obesity. However, evidence for the potential of sweet taste to influence food intake and bodyweight regulation in humans remains unclear. The purpose of this review was to examine the physiological responses relevant to sweet taste mechanisms and the impact on appetite control. The literature was examined for studies that assessed the effects of non-nutritive sweeteners and natural sugars on hormonal secretions and neural activations via oral and gastrointestinal pathways. The findings indicated that a network of sweet taste signalling pathways in the oral cavity and the gut seem to mediate hormonal responses and some metabolism differences in neural circus that orchestrating the hunger-satiety cycle. Individual variations of sweet taste perception which is modulated by hormonal and genetic factors have been associated with dietary nutrient and sugar consumption.
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Affiliation(s)
- Pengfei Han
- a Smell & Taste Clinic Department of Otorhinolaryngology , Technical University of Dresden , Dresden , Germany
| | - Bagenna Bagenna
- b College of Traditional Mongolian Medicine and Pharmacy , Inner Mongolia University for Nationalities , Tongliao , China
| | - Minghai Fu
- b College of Traditional Mongolian Medicine and Pharmacy , Inner Mongolia University for Nationalities , Tongliao , China
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28
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Stice E, Yokum S. Effects of gymnemic acids lozenge on reward region response to receipt and anticipated receipt of high-sugar food. Physiol Behav 2018; 194:568-576. [PMID: 30031752 DOI: 10.1016/j.physbeh.2018.07.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Revised: 07/11/2018] [Accepted: 07/16/2018] [Indexed: 10/28/2022]
Abstract
A gymnemic acids lozenge that blocks sweet taste receptors reduced the decision to consume candy in humans even before the candy was tasted after the gymnemic acids dose, suggesting that blocking sweet taste receptors reduces valuation of sweet foods. The present study used functional magnetic resonance imaging (fMRI) to test whether the gymnemic acids lozenge reduces reward region response to both intake and anticipated intake of high-sugar food, as well as ad lib candy intake relative to a placebo lozenge. Here we show for the first time that a gymnemic acids lozenge versus placebo lozenge significantly reduced activation in the striatum and orbitofrontal cortex in response to anticipated tastes of high-sugar milkshake, and significantly reduced dorsolateral prefrontal cortex response to tastes of milkshake. We also replicated evidence that a gymnemic acids lozenge versus placebo lozenge significantly reduced ad lib candy intake. Results also provide novel evidence that an initial taste of a high-sugar food increases reward region (i.e., caudate) response to anticipated intake of more of the high-sugar food. Results suggest that blocking sweet taste receptors not only reduces reward region response to intake of high-sugar foods, but also reduces anticipated reward from high-sugar foods, potentially via a feedback loop regarding the availability of sweet taste receptors to convey perceptual input regarding sweet tastes. Collectively, results imply that the gymnemic acids lozenge might prove useful in decreasing high-sugar food intake.
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Affiliation(s)
- Eric Stice
- Oregon Research Institute, 1776 Millrace Drive, Eugene, OR 97403, United States.
| | - Sonja Yokum
- Oregon Research Institute, 1776 Millrace Drive, Eugene, OR 97403, United States
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29
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Crézé C, Candal L, Cros J, Knebel JF, Seyssel K, Stefanoni N, Schneiter P, Murray MM, Tappy L, Toepel U. The Impact of Caloric and Non-Caloric Sweeteners on Food Intake and Brain Responses to Food: A Randomized Crossover Controlled Trial in Healthy Humans. Nutrients 2018; 10:E615. [PMID: 29762471 PMCID: PMC5986495 DOI: 10.3390/nu10050615] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 05/09/2018] [Accepted: 05/10/2018] [Indexed: 01/01/2023] Open
Abstract
Whether non-nutritive sweetener (NNS) consumption impacts food intake behavior in humans is still unclear. Discrepant sensory and metabolic signals are proposed to mislead brain regulatory centers, in turn promoting maladaptive food choices favoring weight gain. We aimed to assess whether ingestion of sucrose- and NNS-sweetened drinks would differently alter brain responses to food viewing and food intake. Eighteen normal-weight men were studied in a fasted condition and after consumption of a standardized meal accompanied by either a NNS-sweetened (NNS), or a sucrose-sweetened (SUC) drink, or water (WAT). Their brain responses to visual food cues were assessed by means of electroencephalography (EEG) before and 45 min after meal ingestion. Four hours after meal ingestion, spontaneous food intake was monitored during an ad libitum buffet. With WAT, meal intake led to increased neural activity in the dorsal prefrontal cortex and the insula, areas linked to cognitive control and interoception. With SUC, neural activity in the insula increased as well, but decreased in temporal regions linked to food categorization, and remained unchanged in dorsal prefrontal areas. The latter modulations were associated with a significantly lower total energy intake at buffet (mean kcal ± SEM; 791 ± 62) as compared to WAT (942 ± 71) and NNS (917 ± 70). In contrast to WAT and SUC, NNS consumption did not impact activity in the insula, but led to increased neural activity in ventrolateral prefrontal regions linked to the inhibition of reward. Total energy intake at the buffet was not significantly different between WAT and NNS. Our findings highlight the differential impact of caloric and non-caloric sweeteners on subsequent brain responses to visual food cues and energy intake. These variations may reflect an initial stage of adaptation to taste-calorie uncoupling, and could be indicative of longer-term consequences of repeated NNS consumption on food intake behavior.
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Affiliation(s)
- Camille Crézé
- Department of Physiology, Faculty of Biology and Medicine, University of Lausanne, 1005 Lausanne, Switzerland.
| | - Laura Candal
- Department of Physiology, Faculty of Biology and Medicine, University of Lausanne, 1005 Lausanne, Switzerland.
| | - Jérémy Cros
- Department of Physiology, Faculty of Biology and Medicine, University of Lausanne, 1005 Lausanne, Switzerland.
| | - Jean-François Knebel
- The Laboratory for Investigative Neurophysiology (The LINE), Departments of Radiology and Clinical Neurosciences, University of Lausanne and Lausanne University Hospital, 1011 Lausanne, Switzerland.
- Electroencephalography Brain Mapping Core, Center for Biomedical Imaging (CIBM) of Lausanne and Geneva, 1015 Lausanne, Switzerland.
| | - Kevin Seyssel
- Department of Physiology, Faculty of Biology and Medicine, University of Lausanne, 1005 Lausanne, Switzerland.
| | - Nathalie Stefanoni
- Department of Physiology, Faculty of Biology and Medicine, University of Lausanne, 1005 Lausanne, Switzerland.
| | - Philippe Schneiter
- Department of Physiology, Faculty of Biology and Medicine, University of Lausanne, 1005 Lausanne, Switzerland.
| | - Micah M Murray
- The Laboratory for Investigative Neurophysiology (The LINE), Departments of Radiology and Clinical Neurosciences, University of Lausanne and Lausanne University Hospital, 1011 Lausanne, Switzerland.
- Electroencephalography Brain Mapping Core, Center for Biomedical Imaging (CIBM) of Lausanne and Geneva, 1015 Lausanne, Switzerland.
- Department of Hearing and Speech Sciences, Vanderbilt University, Nashville, TN 37232, USA.
- Department of Ophthalmology, Jules Gonin Eye Hospital, 1004 Lausanne, Switzerland.
| | - Luc Tappy
- Department of Physiology, Faculty of Biology and Medicine, University of Lausanne, 1005 Lausanne, Switzerland.
- Metabolic Center, Hôpital Intercantonal de la Broye, 1470 Estavayer-le-Lac, Switzerland.
| | - Ulrike Toepel
- The Laboratory for Investigative Neurophysiology (The LINE), Departments of Radiology and Clinical Neurosciences, University of Lausanne and Lausanne University Hospital, 1011 Lausanne, Switzerland.
- Electroencephalography Brain Mapping Core, Center for Biomedical Imaging (CIBM) of Lausanne and Geneva, 1015 Lausanne, Switzerland.
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Hutchings SC, Low JYQ, Keast RSJ. Sugar reduction without compromising sensory perception. An impossible dream? Crit Rev Food Sci Nutr 2018; 59:2287-2307. [DOI: 10.1080/10408398.2018.1450214] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Scott C. Hutchings
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Julia Y. Q. Low
- Riddet Institute, Massey University, Palmerston North, New Zealand
| | - Russell S. J. Keast
- Centre for Advanced Sensory Science, School of Exercise and Nutrition Sciences, Deakin University, Burwood, Victoria, Australia
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Ginieis R, Franz EA, Oey I, Peng M. The “sweet” effect: Comparative assessments of dietary sugars on cognitive performance. Physiol Behav 2018; 184:242-247. [DOI: 10.1016/j.physbeh.2017.12.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 12/01/2017] [Accepted: 12/06/2017] [Indexed: 10/18/2022]
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Durán Agüero S, Angarita Dávila L, Escobar Contreras MC, Rojas Gómez D, de Assis Costa J. Noncaloric Sweeteners in Children: A Controversial Theme. BIOMED RESEARCH INTERNATIONAL 2018; 2018:4806534. [PMID: 29511682 PMCID: PMC5817296 DOI: 10.1155/2018/4806534] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 09/05/2017] [Accepted: 09/19/2017] [Indexed: 12/17/2022]
Abstract
Noncaloric sweeteners (NCS) are food additives used to provide sweetness without adding calories. Their consumption has become more widespread around the world in all age groups, including children. The aim of this study is to show the state of the art about the intake of noncaloric sweeteners in children, as well as their benefits and consumption risk. Scientific searchers were used (PUBMED, Scopus, and Scielo) to analyze articles that included keywords (noncaloric sweeteners/saccharin/cyclamate/acesulfame potassium/aspartame/sucralose/stevia/children) in English, Spanish, and Portuguese. Authors conclude that it is imperative that health professionals judiciously and individually evaluate the overall benefits and risks of NCS use in consumers before recommending their use. Different subgroups of the population incorporate products containing NCS in their diet with different objectives, which should be considered when recommending a diet plan for the consumer. In childhood, in earlier age groups, this type of additives should be used as a dietary alternative when other forms of prevention in obesity are not sufficient.
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Affiliation(s)
- Samuel Durán Agüero
- Escuela de Nutrición y Dietética, Facultad de Ciencias de la Salud, Universidad San Sebastián, Santiago de Chile, Chile
| | - Lissé Angarita Dávila
- Carrera de Nutrición y Dietética, Facultad de Medicina, Universidad Andres Bello, Sede Concepción, Talcahuano, Chile
| | | | - Diana Rojas Gómez
- Escuela de Nutrición y Dietética, Facultad de Medicina, Universidad Andres Bello, Santiago, Chile
| | - Jorge de Assis Costa
- Faculdade de Medicina/FAGOC, Ubá, MG, Brazil
- Universidade Estadual de Minas Gerais (UEMG), Barbacena, MG, Brazil
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Treatment Outcome of Combined Continuous Venovenous Hemofiltration and Hemoperfusion in Acute Paraquat Poisoning: A Prospective Controlled Trial. Crit Care Med 2017; 46:100-107. [PMID: 29116999 DOI: 10.1097/ccm.0000000000002826] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVES To investigate whether combined continuous venovenous hemofiltration and hemoperfusion among paraquat-poisoned patients would improve survival. DESIGN Prospective, controlled interventional study over 4 years. SETTING Single, tertiary, academic medical center. PATIENTS We recruited patients admitted to Shanghai Tenth People's Hospital within 48 hours after paraquat ingestion. Exclusions were under 14 years old, ingestion of paraquat with other toxicants, pregnant, a history of chronic pulmonary disease, psychosis, hyperthyroidism, or diabetes with impaired liver or renal function. INTERVENTIONS All patients were assigned to receive continuous venovenous hemofiltration with hemoperfusion therapy (continuous venovenous hemofiltration group) and to receive conventional therapy (conventional group). The study outcomes were death from any cause within 90 days after paraquat ingestion and the frequencies of hypoxia, acute kidney injury, or adverse events. MEASUREMENTS AND MAIN RESULTS Of the 110 enrolled patients, 59 were assigned to continuous venovenous hemofiltration group and 51 to conventional group. The two groups had similar baseline demographics and clinical features. At 90 days after paraquat ingestion, 19 of 59 patients (32.2%) in the continuous venovenous hemofiltration group and 29 of 51 patients (56.9%) in the conventional group had died (hazard ratio, 0.43; 95% CI, 0.24-0.76; p = 0.004). In multivariable Cox proportional hazard models controlling for baseline characteristics, combined continuous venovenous hemofiltration and hemoperfusion was independently associated with reduced risk of death compared with conventional therapy (adjusted hazard ratio, 0.35; 95% CI, 0.19-0.64; p = 0.001). Patients in the continuous venovenous hemofiltration group, as compared to the conventional group, had a reduced occurrence rate of hypoxia (40.7% vs 72.5%; p = 0.001) and of acute kidney injury (59.3% vs 78.4%; p = 0.03). Hypophosphatemia and thrombocytopenia were more common in the continuous venovenous hemofiltration group (p < 0.05). CONCLUSIONS In patients with paraquat poisoning, treatment with combined continuous venovenous hemofiltration and hemoperfusion significantly improved 90-day survival rates.
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Stamataki NS, McLaughlin JT. Sweet sensing, homeostasis and hedonics in the human gut-brain axis. NUTR BULL 2017. [DOI: 10.1111/nbu.12267] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Abstract
Health nudge interventions to steer people into healthier lifestyles are increasingly applied by governments worldwide, and it is natural to look to such approaches to improve health by altering what people choose to eat. However, to produce policy recommendations that are likely to be effective, we need to be able to make valid predictions about the consequences of proposed interventions, and for this, we need a better understanding of the determinants of food choice. These determinants include dietary components (e.g. highly palatable foods and alcohol), but also diverse cultural and social pressures, cognitive-affective factors (perceived stress, health attitude, anxiety and depression), and familial, genetic and epigenetic influences on personality characteristics. In addition, our choices are influenced by an array of physiological mechanisms, including signals to the brain from the gastrointestinal tract and adipose tissue, which affect not only our hunger and satiety but also our motivation to eat particular nutrients, and the reward we experience from eating. Thus, to develop the evidence base necessary for effective policies, we need to build bridges across different levels of knowledge and understanding. This requires experimental models that can fill in the gaps in our understanding that are needed to inform policy, translational models that connect mechanistic understanding from laboratory studies to the real life human condition, and formal models that encapsulate scientific knowledge from diverse disciplines, and which embed understanding in a way that enables policy-relevant predictions to be made. Here we review recent developments in these areas.
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Tea-induced calmness: Sugar-sweetened tea calms consumers exposed to acute stressor. Sci Rep 2016; 6:36537. [PMID: 27848976 PMCID: PMC5111075 DOI: 10.1038/srep36537] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 10/18/2016] [Indexed: 11/08/2022] Open
Abstract
The food and beverage industry has been increasingly replacing sugar with non-nutritive sweeteners in their sweetened products to control or reduce total calories. Research comparing the effect of nutritive and non-nutritive sweeteners on emotional state of participants exposed to acute stressors is still limited. This study aimed to determine the effect of drinking tea sweetened with either a nutritive sweetener (sugar) or a non-nutritive sweetener (sucralose or stevia) on emotional state, in terms of calmness and pleasantness, of participants exposed to an acute stressor. Effects of acute stress on sweetness intensity and overall liking of tea beverages were also determined. Results showed that the possibility of tea-induced calmness, calculated as the difference between calmness ratings after and before drinking a tea sample, was established on stress session in the sugar-sweetened tea. Overall liking, but not the sweetness intensity, of the sugar-sweetened tea was affected by acute stress. In conclusion, this study provides empirical evidence that the consumption of tea sweetened with nutritive sweetener, but not with non-nutritive sweetener, has calming effect on consumers with acute stress, suggesting that this effect may not be due to the sweet taste of sugar, but due to the caloric nature of the sweetener.
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Eldeghaidy S, Marciani L, Hort J, Hollowood T, Singh G, Bush D, Foster T, Taylor AJ, Busch J, Spiller RC, Gowland PA, Francis ST. Prior Consumption of a Fat Meal in Healthy Adults Modulates the Brain's Response to Fat. J Nutr 2016; 146:2187-2198. [PMID: 27655761 PMCID: PMC5086787 DOI: 10.3945/jn.116.234104] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 08/12/2016] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND The consumption of fat is regulated by reward and homeostatic pathways, but no studies to our knowledge have examined the role of high-fat meal (HFM) intake on subsequent brain activation to oral stimuli. OBJECTIVE We evaluated how prior consumption of an HFM or water load (WL) modulates reward, homeostatic, and taste brain responses to the subsequent delivery of oral fat. METHODS A randomized 2-way crossover design spaced 1 wk apart was used to compare the prior consumption of a 250-mL HFM (520 kcal) [rapeseed oil (440 kcal), emulsifier, sucrose, flavor cocktail] or noncaloric WL on brain activation to the delivery of repeated trials of a flavored no-fat control stimulus (CS) or flavored fat stimulus (FS) in 17 healthy adults (11 men) aged 25 ± 2 y and with a body mass index (in kg/m2) of 22.4 ± 0.8. We tested differences in brain activation to the CS and FS and baseline cerebral blood flow (CBF) after the HFM and WL. We also tested correlations between an individual's plasma cholecystokinin (CCK) concentration after the HFM and blood oxygenation level-dependent (BOLD) activation of brain regions. RESULTS Compared to the WL, consuming the HFM led to decreased anterior insula taste activation in response to both the CS (36.3%; P < 0.05) and FS (26.5%; P < 0.05). The HFM caused reduced amygdala activation (25.1%; P < 0.01) in response to the FS compared to the CS (fat-related satiety). Baseline CBF significantly reduced in taste (insula: 5.7%; P < 0.01), homeostatic (hypothalamus: 9.2%, P < 0.01; thalamus: 5.1%, P < 0.05), and reward areas (striatum: 9.2%; P < 0.01) after the HFM. An individual's plasma CCK concentration correlated negatively with brain activation in taste and oral somatosensory (ρ = -0.39; P < 0.05) and reward areas (ρ = -0.36; P < 0.05). CONCLUSIONS Our results in healthy adults show that an HFM suppresses BOLD activation in taste and reward areas compared to a WL. This understanding will help inform the reformulation of reduced-fat foods that mimic the brain's response to high-fat counterparts and guide future interventions to reduce obesity.
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Affiliation(s)
- Sally Eldeghaidy
- Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy,,Department of Physics, Faculty of Science, Suez Canal University, Ismailia, Egypt
| | - Luca Marciani
- Nottingham Digestive Diseases Centre and National Institute for Health Research Biomedical Research Unit, Gastrointestinal and Liver Diseases, Nottingham University Hospitals NHS Trust, University of Nottingham, Nottingham, United Kingdom
| | - Joanne Hort
- Flavour Research Group,,Division of Food Sciences
| | | | | | - Debbie Bush
- Division of Surgery, Queen's Medical Centre University Hospital, Nottingham, United Kingdom; and
| | | | | | | | - Robin C Spiller
- Nottingham Digestive Diseases Centre and National Institute for Health Research Biomedical Research Unit, Gastrointestinal and Liver Diseases, Nottingham University Hospitals NHS Trust, University of Nottingham, Nottingham, United Kingdom
| | - Penny A Gowland
- Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy
| | - Susan T Francis
- Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy,
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Low JYQ, McBride RL, Lacy KE, Keast RSJ. Psychophysical Evaluation of Sweetness Functions Across Multiple Sweeteners. Chem Senses 2016; 42:111-120. [PMID: 27765786 PMCID: PMC5390504 DOI: 10.1093/chemse/bjw109] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Sweetness is one of the 5 prototypical tastes and is activated by sugars and non-nutritive sweeteners (NNS). The aim of this study was to investigate measures of sweet taste function [detection threshold (DT), recognition threshold (RT), and suprathreshold intensity ratings] across multiple sweeteners. Sixty participants, 18–52 years of age (mean age in years = 26, SD = ±7.8), were recruited to participate in the study. DT and RT were collected for caloric sweeteners (glucose, fructose, sucrose, erythritol) and NNS (sucralose, rebaudioside A). Sweetness intensity for all sweeteners was measured using a general Labeled Magnitude Scale. There were strong correlations between DT and RT of all 4 caloric sweeteners across people (r = 0.62–0.90, P < 0.001), and moderate correlations between DT and RT for both of the NNS (r = 0.39–0.48, P < 0.05); however, weaker correlations were observed between the DT or RT of the caloric sweeteners and NNS (r = 0.26–0.48, P < 0.05). The DT and RT of glucose and fructose were not correlated with DT or RT of sucralose (P > 0.05). In contrast, there were strong correlations between the sweetness intensity ratings of all sweeteners (r = 0.70–0.96, P < 0.001). This suggests those caloric sweeteners and NNS access at least partially independent mechanisms with respect to DT and RT measures. At suprathreshold level, however, the strong correlation between caloric sweeteners and NNS through weak, moderate, and strong intensity indicates a commonality in sweet taste mechanism for the perceived intensity range.
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Affiliation(s)
- Julia Y Q Low
- Centre for Advanced Sensory Science (CASS), School of Exercise and Nutrition Sciences, Deakin University, 221 Burwood Highway, Burwood, Victoria 3125, Australia and
| | - Robert L McBride
- Centre for Advanced Sensory Science (CASS), School of Exercise and Nutrition Sciences, Deakin University, 221 Burwood Highway, Burwood, Victoria 3125, Australia and
| | - Kathleen E Lacy
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, 75 Pigdons Road, Waurn Ponds, Victoria 3126, Australia
| | - Russell S J Keast
- Centre for Advanced Sensory Science (CASS), School of Exercise and Nutrition Sciences, Deakin University, 221 Burwood Highway, Burwood, Victoria 3125, Australia and
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Murray S, Tulloch A, Criscitelli K, Avena NM. Recent studies of the effects of sugars on brain systems involved in energy balance and reward: Relevance to low calorie sweeteners. Physiol Behav 2016; 164:504-508. [PMID: 27068180 PMCID: PMC5003688 DOI: 10.1016/j.physbeh.2016.04.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 04/02/2016] [Accepted: 04/04/2016] [Indexed: 12/29/2022]
Abstract
The alarmingly high rates of overweight and obesity pose a serious global health threat. Numerous factors can result in weight gain, one of which is excess consumption of caloric sweeteners. In an effort to aid weight loss efforts, many people have switched from caloric sweeteners to low calorie sweeteners, which provide sweet taste without the accompanying calories. In this review, we present an overview of the animal literature produced in the last 5years highlighting the effects of sugar consumption on neural pathways involved in energy balance regulation and reward processing. We also examine the latest evidence that is beginning to elucidate the effects of low calorie sweeteners on these neural pathways, as well as how homeostatic and hedonic systems interact in response to, or to influence, sugar consumption.
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Affiliation(s)
- Susan Murray
- Department of Pharmacology and Systems Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY 10025, United States
| | - Alastair Tulloch
- Department of Pharmacology and Systems Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY 10025, United States
| | - Kristen Criscitelli
- Department of Pharmacology and Systems Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY 10025, United States
| | - Nicole M Avena
- Department of Pharmacology and Systems Therapeutics, Icahn School of Medicine at Mount Sinai, New York, NY 10025, United States
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40
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Why can't we control our food intake? The downside of dietary variety on learned satiety responses. Physiol Behav 2016; 162:120-9. [DOI: 10.1016/j.physbeh.2016.04.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Revised: 03/31/2016] [Accepted: 04/02/2016] [Indexed: 12/19/2022]
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41
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Carreiro AL, Dhillon J, Gordon S, Jacobs AG, Higgins KA, McArthur BM, Redan BW, Rivera RL, Schmidt LR, Mattes RD. The Macronutrients, Appetite, and Energy Intake. Annu Rev Nutr 2016; 36:73-103. [PMID: 27431364 PMCID: PMC4960974 DOI: 10.1146/annurev-nutr-121415-112624] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Each of the macronutrients-carbohydrate, protein, and fat-has a unique set of properties that influences health, but all are a source of energy. The optimal balance of their contribution to the diet has been a long-standing matter of debate. Over the past half century, thinking has progressed regarding the mechanisms by which each macronutrient may contribute to energy balance. At the beginning of this period, metabolic signals that initiated eating events (i.e., determined eating frequency) were emphasized. This was followed by an orientation to gut endocrine signals that purportedly modulate the size of eating events (i.e., determined portion size). Most recently, research attention has been directed to the brain, where the reward signals elicited by the macronutrients are viewed as potentially problematic (e.g., contribute to disordered eating). At this point, the predictive power of the macronutrients for energy intake remains limited.
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Affiliation(s)
- Alicia L Carreiro
- Department of Nutrition Science, Purdue University, West Lafayette, IN 47907
| | - Jaapna Dhillon
- Department of Nutrition Science, Purdue University, West Lafayette, IN 47907
| | - Susannah Gordon
- Department of Nutrition Science, Purdue University, West Lafayette, IN 47907
| | - Ashley G Jacobs
- Department of Nutrition Science, Purdue University, West Lafayette, IN 47907
| | - Kelly A Higgins
- Department of Food Science, Purdue University, West Lafayette, IN 47907
| | | | - Benjamin W Redan
- Department of Food Science, Purdue University, West Lafayette, IN 47907
| | - Rebecca L Rivera
- Department of Nutrition Science, Purdue University, West Lafayette, IN 47907
| | - Leigh R Schmidt
- Department of Food Science, Purdue University, West Lafayette, IN 47907
| | - Richard D Mattes
- Department of Nutrition Science, Purdue University, West Lafayette, IN 47907
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42
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Ulrich M, Endres F, Kölle M, Adolph O, Widenhorn-Müller K, Grön G. Glucose modulates food-related salience coding of midbrain neurons in humans. Hum Brain Mapp 2016; 37:4376-4384. [PMID: 27411574 DOI: 10.1002/hbm.23316] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Revised: 07/01/2016] [Accepted: 07/05/2016] [Indexed: 12/22/2022] Open
Abstract
Although early rat studies demonstrated that administration of glucose diminishes dopaminergic midbrain activity, evidence in humans has been lacking so far. In the present functional magnetic resonance imaging study, glucose was intravenously infused in healthy human male participants while seeing images depicting low-caloric food (LC), high-caloric food (HC), and non-food (NF) during a food/NF discrimination task. Analysis of brain activation focused on the ventral tegmental area (VTA) as the origin of the mesolimbic system involved in salience coding. Under unmodulated fasting baseline conditions, VTA activation was greater during HC compared with LC food cues. Subsequent to infusion of glucose, this difference in VTA activation as a function of caloric load leveled off and even reversed. In a control group not receiving glucose, VTA activation during HC relative to LC cues remained stable throughout the course of the experiment. Similar treatment-specific patterns of brain activation were observed for the hypothalamus. The present findings show for the first time in humans that glucose infusion modulates salience coding mediated by the VTA. Hum Brain Mapp 37:4376-4384, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Martin Ulrich
- Department of Psychiatry, University of Ulm, Leimgrubenweg 12-14, Ulm, 89075, Germany
| | - Felix Endres
- Department of Psychiatry, University of Ulm, Leimgrubenweg 12-14, Ulm, 89075, Germany
| | - Markus Kölle
- Department of Psychiatry, University of Ulm, Leimgrubenweg 12-14, Ulm, 89075, Germany
| | - Oliver Adolph
- Department of Anesthesiology, University of Ulm, Albert-Einstein-Allee 23, Ulm, 89081, Germany
| | | | - Georg Grön
- Department of Psychiatry, University of Ulm, Leimgrubenweg 12-14, Ulm, 89075, Germany
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van Rijn I, Griffioen-Roose S, de Graaf C, Smeets PAM. Neural Processing of Calories in Brain Reward Areas Can be Modulated by Reward Sensitivity. Front Behav Neurosci 2016; 9:371. [PMID: 26834598 PMCID: PMC4712268 DOI: 10.3389/fnbeh.2015.00371] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Accepted: 12/24/2015] [Indexed: 11/25/2022] Open
Abstract
A food's reward value is dependent on its caloric content. Furthermore, a food's acute reward value also depends on hunger state. The drive to obtain rewards (reward sensitivity), however, differs between individuals. Here, we assessed the association between brain responses to calories in the mouth and trait reward sensitivity in different hunger states. Firstly, we assessed this in data from a functional neuroimaging study (van Rijn et al., 2015), in which participants (n = 30) tasted simple solutions of a non-caloric sweetener with or without a non-sweet carbohydrate (maltodextrin) during hunger and satiety. Secondly, we expanded these analyses to regular drinks by assessing the same relationship in data from a study in which soft drinks sweetened with either sucrose or a non-caloric sweetener were administered during hunger (n = 18) (Griffioen-Roose et al., 2013). First, taste activation by the non-caloric solution/soft drink was subtracted from that by the caloric solution/soft drink to eliminate sweetness effects and retain activation induced by calories. Subsequently, this difference in taste activation was correlated with reward sensitivity as measured with the BAS drive subscale of the Behavioral Activation System (BAS) questionnaire. When participants were hungry and tasted calories from the simple solution, brain activation in the right ventral striatum (caudate), right amygdala and anterior cingulate cortex (bilaterally) correlated negatively with BAS drive scores. In contrast, when participants were satiated, taste responses correlated positively with BAS drive scores in the left caudate. These results were not replicated for soft drinks. Thus, neural responses to oral calories from maltodextrin were modulated by reward sensitivity in reward-related brain areas. This was not the case for sucrose. This may be due to the direct detection of maltodextrin, but not sucrose in the oral cavity. Also, in a familiar beverage, detection of calories per se may be overruled by a conditioned response to its flavor. In conclusion, the brain reward response to calories from a long chain starch sugar (maltodextrin) varies with trait reward sensitivity. The absence of this effect in a familiar beverage warrants further research into its relevance for real life ingestive behavior.
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Affiliation(s)
- Inge van Rijn
- Division of Human Nutrition, Wageningen University and Research Centre Wageningen, Netherlands
| | - Sanne Griffioen-Roose
- Division of Human Nutrition, Wageningen University and Research Centre Wageningen, Netherlands
| | - Cees de Graaf
- Division of Human Nutrition, Wageningen University and Research Centre Wageningen, Netherlands
| | - Paul A M Smeets
- Division of Human Nutrition, Wageningen University and Research CentreWageningen, Netherlands; Image Sciences Institute, University Medical Center UtrechtUtrecht, Netherlands
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44
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Boyle N, Lawton C, Allen R, Croden F, Smith K, Dye L. No effects of ingesting or rinsing sucrose on depleted self-control performance. Physiol Behav 2016; 154:151-60. [DOI: 10.1016/j.physbeh.2015.11.019] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Revised: 11/19/2015] [Accepted: 11/22/2015] [Indexed: 10/22/2022]
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Delogu F, Huddas C, Steven K, Hachem S, Lodhia L, Fernandez R, Logerstedt M. A Dissociation Between Recognition and Hedonic Value in Caloric and Non-caloric Carbonated Soft Drinks. Front Psychol 2016; 7:36. [PMID: 26858681 PMCID: PMC4731502 DOI: 10.3389/fpsyg.2016.00036] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2015] [Accepted: 01/08/2016] [Indexed: 11/13/2022] Open
Abstract
Consumption of sugar-sweetened beverages (SSBs) is considered to be a contributor to diabetes and the epidemic of obesity in many countries. The popularity of non-caloric carbonated soft drinks as an alternative to SSBs may be a factor in reducing the health risks associated with SSBs consumption. This study focuses on the perceptual discrimination of SSBs from artificially sweetened beverages (ASBs). Fifty-five college students rated 14 commercially available carbonated soft drinks in terms of sweetness and likeability. They were also asked to recognize, if the drinks contained sugar or a non-caloric artificial sweetener. Overall, participants showed poor accuracy in discriminating drinks' sweeteners, with significantly lower accuracy for SSBs than ASBs. Interestingly, we found a dissociation between sweetener recognition and drink pleasantness. In fact, in spite of a chance-level discrimination accuracy of SSBs, their taste was systematically preferred to the taste of non-caloric beverages. Our findings support the idea that hedonic value of carbonated soft drinks is dissociable from its identification and that the activation of the pleasure system seems not to require explicit recognition of the sweetener contained in the soft drink. We hypothesize that preference for carbonated soft drinks containing sugar over non-caloric alternatives might be modulated by metabolic factors that are independent from conscious and rational consumers' choices.
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Affiliation(s)
- Franco Delogu
- Department of Humanities, Social Sciences, and Communication, Lawrence Technological University, Southfield MI, USA
| | - Claire Huddas
- Department of Humanities, Social Sciences, and Communication, Lawrence Technological University, Southfield MI, USA
| | - Katelyn Steven
- Department of Humanities, Social Sciences, and Communication, Lawrence Technological University, Southfield MI, USA
| | - Souheila Hachem
- Department of Humanities, Social Sciences, and Communication, Lawrence Technological University, Southfield MI, USA
| | - Luv Lodhia
- Department of Humanities, Social Sciences, and Communication, Lawrence Technological University, Southfield MI, USA
| | - Ryan Fernandez
- Department of Humanities, Social Sciences, and Communication, Lawrence Technological University, Southfield MI, USA
| | - Macee Logerstedt
- Department of Humanities, Social Sciences, and Communication, Lawrence Technological University, Southfield MI, USA
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46
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Ramaekers MG, Luning PA, Lakemond CMM, van Boekel MAJS, Gort G, Boesveldt S. Food Preference and Appetite after Switching between Sweet and Savoury Odours in Women. PLoS One 2016; 11:e0146652. [PMID: 26751975 PMCID: PMC4709072 DOI: 10.1371/journal.pone.0146652] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2014] [Accepted: 12/21/2015] [Indexed: 11/18/2022] Open
Abstract
Background Exposure to food odours increases the appetite for congruent foods and decreases the appetite for incongruent foods. However, the effect of exposure to a variety of food odours, as often occurs in daily life, is unknown. Objective Investigate how switching between sweet and savoury odours affects the appetite for sweet and savoury products. Design Thirty women (age: 18-45y; BMI: 18.5-25kg/m2) intensely smelled the contents of cups filled with banana, meat or water (no-odour) in a within-subject design with four combinations: no-odour/banana, no-odour/meat, meat/banana and banana/meat. Participants received one combination per test day. In each combination, two cups with different fillings were smelled for five minutes after each other. Treatment order was balanced as much as possible. The effects of previous exposure and current odour on the appetite for (in)congruent sweet and savoury products, and odour pleasantness were analysed. A change from meat to banana odour or banana to meat odour was referred to as switch, whereas a change from no-odour to meat odour or no-odour to banana odour was no-switch. Results The current odour (P<0.001), as opposed to the previous exposure (P = 0.71), determined the appetite for (in)congruent sweet and savoury products, already one minute after a switch between sweet and savoury odours. The pleasantness of the odour decreased during odour exposure (P = 0.005). Conclusions After a switch, the appetite for specific products quickly adjusted to the new odour and followed the typical pattern as found during odour exposure in previous studies. Interestingly, the appetite for the smelled food remained elevated during odour exposure, known as sensory-specific appetite, whereas the pleasantness of the odour decreased over time, previously termed olfactory sensory-specific satiety. This seeming contradiction may result from different mechanisms underlying the odour-induced anticipation of food intake versus the decrease in hedonic value during prolonged sensory stimulation.
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Affiliation(s)
- Mariëlle G. Ramaekers
- Food Quality and Design, Wageningen University, PO Box 17, 6700 AA Wageningen, The Netherlands
| | - Pieternel A. Luning
- Food Quality and Design, Wageningen University, PO Box 17, 6700 AA Wageningen, The Netherlands
| | - Catriona M. M. Lakemond
- Food Quality and Design, Wageningen University, PO Box 17, 6700 AA Wageningen, The Netherlands
| | | | - Gerrit Gort
- Biometris, Wageningen University and Research Centre, PO Box 100, 6700 AC Wageningen, The Netherlands
| | - Sanne Boesveldt
- Division of Human Nutrition, Wageningen University, PO Box 8129, 6700 EV Wageningen, The Netherlands
- * E-mail:
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47
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48
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Wagner A, Simmons AN, Oberndorfer TA, Frank GK, McCurdy-McKinnon D, Fudge JL, Yang TT, Paulus MP, Kaye WH. Altered sensitization patterns to sweet food stimuli in patients recovered from anorexia and bulimia nervosa. Psychiatry Res 2015; 234:305-13. [PMID: 26596520 PMCID: PMC6547368 DOI: 10.1016/j.pscychresns.2015.10.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 09/16/2015] [Accepted: 10/08/2015] [Indexed: 11/17/2022]
Abstract
Recent studies show that higher-order appetitive neural circuitry may contribute to restricted eating in anorexia nervosa (AN) and overeating in bulimia nervosa (BN). The purpose of this study was to determine whether sensitization effects might underlie pathologic eating behavior when a taste stimulus is administered repeatedly. Recovered AN (RAN, n=14) and BN (RBN, n=15) subjects were studied in order to avoid the confounding effects of altered nutritional state. Functional magnetic resonance imaging (fMRI) measured higher-order brain response to repeated tastes of sucrose (caloric) and sucralose (non-caloric). To test sensitization, the neuronal response to the first and second administration was compared. RAN patients demonstrated a decreased sensitization to sucrose in contrast to RBN patients who displayed the opposite pattern, increased sensitization to sucrose. However, the latter was not as pronounced as in healthy control women (n=13). While both eating disorder subgroups showed increased sensitization to sucralose, the healthy controls revealed decreased sensitization. These findings could reflect on a neuronal level the high caloric intake of RBN during binges and the low energy intake for RAN. RAN seem to distinguish between high energy and low energy sweet stimuli while RBN do not.
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Affiliation(s)
- Angela Wagner
- University of California at San Diego, Department of Psychiatry, La Jolla, CA 92093-0603, USA
| | - Alan N. Simmons
- University of California at San Diego, Department of Psychiatry, La Jolla, CA 92093-0603, USA,Veterans Affairs San Diego Healthcare System, Psychiatry Service, San Diego CA 92161, USA
| | - Tyson A. Oberndorfer
- University of California at San Diego, Department of Psychiatry, La Jolla, CA 92093-0603, USA,University of Colorado Denver Health Sciences Center, Department of Internal Medicine, 12631 E. 17th Avenue, Aurora, CO 80045, USA
| | - Guido K.W. Frank
- University of Colorado Denver Health Sciences Center, Department of Psychiatry, The Children’s Hospital, 13123 E. 16 Ave, Aurora, CO 80045, USA
| | - Danyale McCurdy-McKinnon
- University of California at Los Angeles, Department of Psychiatry, Los Angeles, CA 90024-1759, USA
| | - Julie L. Fudge
- University of Rochester Medical Center, Departments of Psychiatry and Neurobiology and Anatomy, 601 Elmwood Avenue, Rochester, New York 14642-8409, USA
| | - Tony T. Yang
- University of California at San Francisco, Department of Psychiatry, Division of Child and Adolescent Psychiatry, San Francisco, CA 94143, USA
| | - Martin P. Paulus
- University of California at San Diego, Department of Psychiatry, La Jolla, CA 92093-0603, USA,Veterans Affairs San Diego Healthcare System, Psychiatry Service, San Diego CA 92161, USA
| | - Walter H. Kaye
- University of California at San Diego, Department of Psychiatry, La Jolla, CA 92093-0603, USA
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49
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Burke MV, Small DM. Physiological mechanisms by which non-nutritive sweeteners may impact body weight and metabolism. Physiol Behav 2015; 152:381-8. [PMID: 26048305 DOI: 10.1016/j.physbeh.2015.05.036] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Revised: 05/08/2015] [Accepted: 05/29/2015] [Indexed: 01/03/2023]
Abstract
Evidence linking sugar-sweetened beverage (SSB) consumption to weight gain and other negative health outcomes has prompted many individuals to resort to artificial, non-nutritive sweetener (NNS) substitutes as a means of reducing SSB intake. However, there is a great deal of controversy regarding the biological consequences of NNS use, with accumulating evidence suggesting that NNS consumption may influence feeding and metabolism via a variety of peripheral and central mechanisms. Here we argue that NNSs are not physiologically inert compounds and consider the potential biological mechanisms by which NNS consumption may impact energy balance and metabolic function, including actions on oral and extra-oral sweet taste receptors, and effects on metabolic hormone secretion, cognitive processes (e.g. reward learning, memory, and taste perception), and gut microbiota.
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Affiliation(s)
- Mary V Burke
- Yale Interdepartmental Neuroscience Program, Yale Medical School, New Haven, CT, USA; John B. Pierce Laboratory, 290 Congress Avenue, New Haven, CT, USA.
| | - Dana M Small
- Yale Interdepartmental Neuroscience Program, Yale Medical School, New Haven, CT, USA; John B. Pierce Laboratory, 290 Congress Avenue, New Haven, CT, USA; Department of Psychiatry, Yale Medical School, New Haven, CT, USA; Department of Psychology, Yale University, New Haven, CT, USA; Center for Excellence, University of Cologne, Cologne, Germany.
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50
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Abstract
High intensity, low-energy sweeteners (LES) are used by many consumers in order to limit energy intake and possibly facilitate body weight control. These beneficial effects are often questioned in the scientific and lay media. LES are frequently accused of stimulating and/or maintaining a liking for sweetness which in turn would be deleterious for adequate body weight control. Evidence for the specific effects of LES use on appetite for sweet products will be extracted from observational studies, experimental laboratory studies, randomized controlled trials, and finally brain imaging studies. While many of the existing studies cannot identify any causal links between use of LES and appetite for sweetness, randomized trials in children and adults suggest that use of LES tends to reduce rather than increase the intake of sugar-containing foods and to facilitate, rather than impair, weight loss.
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Affiliation(s)
- France Bellisle
- Université Paris 13, Epidémiologie Nutritionnelle, Centre de Recherche en Nutrition Humaine d’Ile-de-France, U1153 INSERM, U1125 INRA, CNAM, 74 rue Marcel Cachin, 93017 Bobigny cedex, France
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