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Boxall LR, Arden-Close E, James J, Appleton KM. Protocol: The effects of nutrient- vs food- vs food-substitution-based dietary recommendations for reducing free sugar intakes, on free sugar intakes, dietary profiles and sweet taste outcomes: A randomised controlled trial. Nutr Health 2024; 30:269-278. [PMID: 35818972 PMCID: PMC11141080 DOI: 10.1177/02601060221111234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Dietary guidelines are intended to inform and aid the general public, with the aim of improving healthy diets and reducing health risk. The effectiveness of these guidelines, however, is rarely investigated. AIM This work investigates the effects of three different types of dietary recommendations for reducing free sugars, on free sugar intakes over 12 weeks. Secondary aims will also investigate how these different recommendations affect secondary outcomes, outcomes in subsets of the trial population, and identify barriers and facilitators to dietary change. METHODS Using a randomised controlled parallel-group trial with three intervention and one control arms, 240 individuals consuming >5% total energy intake from free sugars will be randomized to receive: nutrient-based, nutrient- and food-based, nutrient-, food- and food-substitution-based recommendations or no recommendations, with outcomes assessed for the following 12 weeks. Our primary outcomes are free sugar intakes and adherence to the recommendations. Secondary outcomes are daily energy intake, dietary composition, anthropometry, sweet food perceptions and preferences, sweet food choice, attitudes towards sweet foods, eating behaviour and food choice, knowledge and lifestyle variables, quality of life, adverse events, and barriers and facilitators towards intervention adherence. RESULTS Data will contribute to three distinct analyses: 1) Analyses to investigate the effects of the three different dietary recommendations versus control; 2) Analyses of the effects of the dietary recommendations in different population subgroups, and 3) Investigation of the barriers and facilitators to success. CONCLUSION This work offers new perspectives on the effects of different dietary recommendations to enact behaviour change.
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Wada S, Iwamoto K, Okumura H, Hida H, Hiraoka S, Kamei A, Mori D, Yamada K, Ando M, Ozaki N, Ikeda M. Effect of single-administration of D-sorbitol pretreatment on the bitterness and continued willingness to take asenapine: a randomized, single-blind, placebo-controlled, crossover trial. BMC Psychiatry 2024; 24:81. [PMID: 38291403 PMCID: PMC10829201 DOI: 10.1186/s12888-024-05549-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Accepted: 01/23/2024] [Indexed: 02/01/2024] Open
Abstract
BACKGROUND Asenapine has unique orally-related side effects, such as a bitter taste induced by sublingual administration, which often results in discontinuation of the medication. While the FDA has approved black-cherry-flavored asenapine, several countries have prescribed only unflavored versions. Specifically, Asians commonly report experiencing the bitterness of asenapine because they are more sensitive to bitter tastes than other ethnic groups. In this study, with the aim of improving adherence by reducing the bitterness of asenapine, we investigated the effects of D-sorbitol, which reduced the bitterness parameters of taste sensors in our previous basic study on the bitterness and continuity of asenapine among patients with schizophrenia. METHODS Twenty adult patients with schizophrenia were included in this single-blind, placebo-controlled, crossover trial. Participants rinsed their mouths with single-administration of D-sorbitol or a placebo prior to each administration of asenapine. We then conducted the questionnaires and assessed changes in the bitterness of asenapine (primary end point) and willingness to continue its use (secondary end point). RESULTS D-sorbitol significantly improved the bitterness of asenapine (p = 0.038). Although it did not significantly increase the willingness to continue asenapine (p = 0.180), it did show improvement over the placebo in enhancing willingness to continue, especially in patients who were not accustomed to its taste. CONCLUSION Our findings indicate that single-administration of D-sorbitol significantly reduces the bitterness of asenapine. In countries where flavored asenapine is not available, this finding could benefit patients who were not accustomed to its bitter taste. TRIAL REGISTRATION This study was registered in the Japan Registry of Clinical Trials (jRCTs041210019) on May 14, 2021.
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Affiliation(s)
- Shuhei Wada
- Department of Psychiatry, Nagoya University Graduate School of Medicine, 65 Tsurumai, Showa, Nagoya, Aichi, 466-8550, Japan
| | - Kunihiro Iwamoto
- Department of Psychiatry, Nagoya University Graduate School of Medicine, 65 Tsurumai, Showa, Nagoya, Aichi, 466-8550, Japan.
| | - Hiroki Okumura
- Department of Neuropsychopharmacology and Hospital Pharmacy, Nagoya University Graduate School of Medicine, 65 Tsurumai, Showa, Nagoya, Aichi, 466-8560, Japan
| | - Hirotake Hida
- Department of Neuropsychopharmacology and Hospital Pharmacy, Nagoya University Graduate School of Medicine, 65 Tsurumai, Showa, Nagoya, Aichi, 466-8560, Japan
| | - Shuichi Hiraoka
- Medical Affairs Department, Meiji Seika Pharma Co., Ltd, 2-4-16Chuo-Ku, KyobashiTokyo, 104-8002, Japan
| | - Aya Kamei
- Medical Affairs Department, Meiji Seika Pharma Co., Ltd, 2-4-16Chuo-Ku, KyobashiTokyo, 104-8002, Japan
| | - Daisuke Mori
- Brain and Mind Research Center, Nagoya University, 65 Tsurumai, Showa, Nagoya, Aichi, 466-8550, Japan
| | - Kiyofumi Yamada
- Department of Neuropsychopharmacology and Hospital Pharmacy, Nagoya University Graduate School of Medicine, 65 Tsurumai, Showa, Nagoya, Aichi, 466-8560, Japan
| | - Masahiko Ando
- Department of Advanced Medicine, Nagoya University Hospital, 65 Tsurumai, Showa, Nagoya, Aichi, 466-8550, Japan
| | - Norio Ozaki
- Pathophysiology of Mental Disorders, Nagoya University Graduate School of Medicine, 65 Tsurumai, Showa, Nagoya, Aichi, 466-8550, Japan
| | - Masashi Ikeda
- Department of Psychiatry, Nagoya University Graduate School of Medicine, 65 Tsurumai, Showa, Nagoya, Aichi, 466-8550, Japan
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3
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Lim SXL, Höchenberger R, Busch NA, Bergmann M, Ohla K. Associations between Taste and Smell Sensitivity, Preference and Quality of Life in Healthy Aging-The NutriAct Family Study Examinations (NFSE) Cohort. Nutrients 2022; 14:nu14061141. [PMID: 35334798 PMCID: PMC8950182 DOI: 10.3390/nu14061141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 02/28/2022] [Accepted: 03/02/2022] [Indexed: 12/12/2022] Open
Abstract
Taste and smell function decline with age, with robust impairment in the very old. Much less is known about taste and smell function in young and middle aged. We investigated taste and smell sensitivity via thresholds in a sub-sample of the NutriAct Family Study (NFS), the NFS Examinations cohort (NFSE; N = 251, age M = 62.5 years). We examined different aspects relating to taste and smell function: the degree to which taste and smell sensitivity relate to another and to taste and smell preferences, the role of gender and age, as well as effects on Quality of Life (QoL). Taste thresholds were highly correlated, but no correlation was observed between taste and smell thresholds and between thresholds and preference. Women were more sensitive for both taste and smell than men. We found no effect of age on sensitivity and no effect of sensitivity on QoL. All null findings were complemented by Bayesian statistics. Together our results indicate the independence of taste and smell despite their overlap during sensorial experiences. We found no evidence for age-related sensory decline, which could be due to our sample’s characteristics of non-clinical volunteers with good dental health and 93% non-smokers.
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Affiliation(s)
- Shirley X. L. Lim
- Cognitive Neuroscience (INM-3), Institute of Neuroscience and Medicine, Research Center Jülich, Wilhelm-Johnen-Straße, 52428 Jülich, Germany
- NutriAct-Competence Cluster Nutrition Research Berlin-Potsdam, 14558 Nuthetal, Germany; (M.B.); (K.O.)
- Correspondence:
| | - Richard Höchenberger
- CEA, Inria, Université Paris-Saclay, 1 Rue Honoré d’Estienne d’Orves, 91120 Palaiseau, France;
| | - Niko A. Busch
- Institute of Psychology, University of Münster, Fliednerstraße 21, 48149 Münster, Germany;
| | - Manuela Bergmann
- NutriAct-Competence Cluster Nutrition Research Berlin-Potsdam, 14558 Nuthetal, Germany; (M.B.); (K.O.)
- German Institute of Human Nutrition Potsdam-Rehbrücke, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany
| | - Kathrin Ohla
- NutriAct-Competence Cluster Nutrition Research Berlin-Potsdam, 14558 Nuthetal, Germany; (M.B.); (K.O.)
- Experimental Psychology Unit, Helmut Schmidt University/University of the Armed Forces Hamburg, Holstenhofweg 85, 22043 Hamburg, Germany
- Firmenich SA, Rue de la Bergère 7, 1242 Satigny, Switzerland
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4
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Chen B, Masala C, Oleszkiewicz A, Englmaier V, Gunder N, Menzel S, Haehner A, Hummel T. Nonlinear association between chemosensory dysfunction and body mass index. J SENS STUD 2021. [DOI: 10.1111/joss.12715] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Ben Chen
- Interdisciplinary Center Smell and Taste, Department of Otorhinolaryngology Medical Faculty Carl Gustav Carus, TU Dresden Dresden Germany
- Memory Clinic, Department of Geriatric Psychiatry The Affiliated Brain Hospital of Guangzhou Medical University (Guangzhou Huiai Hospital) Guangzhou China
| | - Carla Masala
- Interdisciplinary Center Smell and Taste, Department of Otorhinolaryngology Medical Faculty Carl Gustav Carus, TU Dresden Dresden Germany
- Section of Physiology, Department of Biomedical Sciences University of Cagliari Cagliari Italy
| | - Anna Oleszkiewicz
- Interdisciplinary Center Smell and Taste, Department of Otorhinolaryngology Medical Faculty Carl Gustav Carus, TU Dresden Dresden Germany
- Institute of Psychology University of Wroclaw Wroclaw Poland
| | - Verena Englmaier
- Interdisciplinary Center Smell and Taste, Department of Otorhinolaryngology Medical Faculty Carl Gustav Carus, TU Dresden Dresden Germany
| | - Nadine Gunder
- Interdisciplinary Center Smell and Taste, Department of Otorhinolaryngology Medical Faculty Carl Gustav Carus, TU Dresden Dresden Germany
| | - Susanne Menzel
- Interdisciplinary Center Smell and Taste, Department of Otorhinolaryngology Medical Faculty Carl Gustav Carus, TU Dresden Dresden Germany
| | - Antje Haehner
- Interdisciplinary Center Smell and Taste, Department of Otorhinolaryngology Medical Faculty Carl Gustav Carus, TU Dresden Dresden Germany
| | - Thomas Hummel
- Interdisciplinary Center Smell and Taste, Department of Otorhinolaryngology Medical Faculty Carl Gustav Carus, TU Dresden Dresden Germany
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Nolden AA, McGeary JE, Hayes JE. Predominant Qualities Evoked by Quinine, Sucrose, and Capsaicin Associate With PROP Bitterness, but not TAS2R38 Genotype. Chem Senses 2021; 45:383-390. [PMID: 32382729 DOI: 10.1093/chemse/bjaa028] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Genetic variability in the ability to taste thiourea compounds has been studied for 80+ years. Over the last 3 decades, many studies have reported perceived intensity of concentrated propylthiouracil (PROP) associates with greater intensity from a broad range of stimuli, including nonbitter tastants, irritants, and retronasally delivered odorants. Thus, PROP phenotype has become a common measure of individual differences in orosensation. Much, but not all, of the phenotypic variation in PROP bitterness is explained by TAS2R38 polymorphisms. While differences in PROP bitterness are clearly due to genetic variation, mechanistically it is challenging to envision how this receptor (narrowly tuned to the N-C=S moiety) relates to overall orosensory response. Here, we report data for 200+ individuals who had been genotyped for TAS2R38 and phenotyped for PROP in a laboratory setting. Participants also reported the intensity of quinine, capsaicin, and sucrose on a general Labeled Magnitude Scale. Our data recapitulate earlier reports associating PROP bitterness with the intensity of the predominant qualities of sucrose, quinine, and capsaicin; however, we also find correlations between the intensities of sucrose, quinine, and capsaicin were much stronger with each other than with PROP. As expected, TAS2R38 diplotype did not associate with the intensity of sucrose, quinine, or capsaicin. The strength of PROP-capsaicin and PROP-sucrose relationships increased after grouping participants by TAS2R38 diplotype, with the greatest increases in association observed within homozygotes. Collectively, this suggests the suprathreshold intensity of PROP is a confounded phenotype that captures both genetic variation specific to N-C=S compounds and overall orosensation.
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Affiliation(s)
- Alissa A Nolden
- Department of Food Science, University of Massachusetts, Amherst, MA, USA
| | - John E McGeary
- Providence Veterans Affairs Medical Center, Providence, RI, USA.,Division of Behavior Genetics, Rhode Island Hospital, Brown University, Providence, RI, USA.,Center for Alcohol and Addiction Studies, Brown University, Providence, RI, USA
| | - John E Hayes
- Sensory Evaluation Center, College of Agricultural Sciences, The Pennsylvania State University, University Park, PA, USA.,Department of Food Science, College of Agricultural Sciences, The Pennsylvania State University, University Park, PA 16802, USA
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Impact of Very Hot Drink Consumption Habits, Age, and Sex, on Taste Sensitivity. Foods 2021; 10:foods10051139. [PMID: 34065269 PMCID: PMC8161158 DOI: 10.3390/foods10051139] [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: 04/09/2021] [Revised: 05/17/2021] [Accepted: 05/18/2021] [Indexed: 11/17/2022] Open
Abstract
The temperature range for consuming hot drinks includes temperatures that can damage cells on the tongue. We hypothesized that the consumption of very hot drinks can lead to a decrease in the ability to perceive low concentrations of tastants. We evaluated the ability to perceive low concentrations of five prototypical sapid compounds in 42 women and 40 men aged 18-65. A questionnaire made it possible to collect the usual frequencies (number of unit/day) and consumption temperature levels (medium hot/very hot) for four very common hot drinks (coffee, tea, herbal infusions, and hot chocolate). Our results showed that subjects who consumed very hot drinks (versus medium hot) were less sensitive to sweet (p = 0.020) and salty (p = 0.046) tastes. An aggravating effect of high consumption frequencies was only shown for sweet taste (p = 0.036). Moreover, our data also showed that women were more sensitive than men to sour, bitter, and umami tastes (p values < 0.05), as well as that taste sensitivity decreases with age, especially after 50 years old (all tastes; p values < 0.05). These findings strengthen our knowledge about the influence of sex and age on taste sensitivity, and they provide knowledge on the influence of consumption habits related to hot drinks on taste sensitivity.
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7
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Zhang LL, Shi BL, Sun P, Zheng YM, Zhong K, Wang HY, Cui Y, Liu LY, Xie R, Zhao L. The correlation of taste and chemesthetic sensation in individuals with different suprathreshold sensitivities. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111070] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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8
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Piochi M, Dinnella C, Spinelli S, Monteleone E, Torri L. Individual differences in responsiveness to oral sensations and odours with chemesthetic activity: Relationships between sensory modalities and impact on the hedonic response. Food Qual Prefer 2021. [DOI: 10.1016/j.foodqual.2020.104112] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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9
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Eldeghaidy S, Yang Q, Abualait T, Williamson AM, Hort J, Francis ST. Thermal taster status: Temperature modulation of cortical response to sweetness perception. Physiol Behav 2021; 230:113266. [PMID: 33246000 DOI: 10.1016/j.physbeh.2020.113266] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 11/19/2020] [Accepted: 11/21/2020] [Indexed: 10/22/2022]
Abstract
Temperature is known to impact taste perception, but its reported effect on sweet taste perception in humans is inconsistent. Here, we assess whether thermal taste phenotype alters the temperature modulation of the brains' response to sweet samples and sweet taste perception. Participants (n = 24 balanced for thermal tasters (TT) and thermal non-tasters (TnT), 25 ± 7 years (mean ± SD), 10 males) underwent a thermal taste phenotyping session to study responses to cooling and warming of the tongue using a thermode. In a separate session, functional Magnetic Resonance Images (fMRI) were collected during sweet samples (87 mM sucrose) delivery at two temperatures ('cold' (5 ± 2 °C) and 'ambient' (20 ± 2 °C)) and the perceived sweetness intensity rated.In the phenotyping session, TTs had heightened perceptual temperature sensitivity to cooling and warming of the tongue using a thermode compared to TnTs. Although there was no significant effect during the fMRI session, the fMRI response to the 'cold sweet' sample across all participants was significantly increased in anterior insula/frontal operculum and mid-insula compared to the 'ambient sweet' sample, likely to reflect the perceptual difference to temperature rather than taste perception. TTs showed significantly increased fMRI activation patterns compared with TnTs and an interaction effect between thermal taster status and sample temperature, with TTs showing selectively greater cortical responses to 'cold sweet' samples compared to TnTs in somatosensory regions (SI and SII).The increase in cortical activation in somatosensory cortices to the 'cold sweet' stimulus correlated with perceptual ratings of temperature sensitivity to the thermode. The results highlight the importance of investigating the effects of thermal taster phenotype across a range of temperatures representing the reality of consumer consumption to beverages.
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Affiliation(s)
- Sally Eldeghaidy
- Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, Nottingham, United Kingdom; Division of Food, Nutrition & Dietetics, and Future Food Beacon, School of Biosciences, University of Nottingham, Loughborough LE12 5RD, United Kingdom
| | - Qian Yang
- Sensory Science Centre, School of Biosciences, Sutton Bonington Campus, University of Nottingham, Loughborough LE12 5RD, United Kingdom
| | - Turki Abualait
- Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, Nottingham, United Kingdom; College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | | | - Joanne Hort
- Sensory Science Centre, School of Biosciences, Sutton Bonington Campus, University of Nottingham, Loughborough LE12 5RD, United Kingdom; Feast & Riddet Institute, Massey University, Palmerston North 4410, New Zealand
| | - Susan T Francis
- Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, Nottingham, United Kingdom.
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10
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Schifferstein HN, Kudrowitz BM, Breuer C. Food Perception and Aesthetics - Linking Sensory Science to Culinary Practice. JOURNAL OF CULINARY SCIENCE & TECHNOLOGY 2020. [DOI: 10.1080/15428052.2020.1824833] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
| | - Barry M. Kudrowitz
- Department of Design, Housing, and Apparel, University of Minnesota, Minneapolis, MN, USA
| | - Carola Breuer
- Independent Food & Design Professional, Munich, Germany
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Junge JY, Bertelsen AS, Mielby LA, Zeng Y, Sun YX, Byrne DV, Kidmose U. Taste Interactions between Sweetness of Sucrose and Sourness of Citric and Tartaric Acid among Chinese and Danish Consumers. Foods 2020; 9:foods9101425. [PMID: 33050242 PMCID: PMC7600934 DOI: 10.3390/foods9101425] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 10/02/2020] [Accepted: 10/04/2020] [Indexed: 11/16/2022] Open
Abstract
Tastes interact in almost every consumed food or beverage, yet many aspects of interactions, such as sweet-sour interactions, are not well understood. This study investigated the interaction between sweetness from sucrose and sourness from citric and tartaric acid, respectively. A cross-cultural consumer study was conducted in China (n = 120) and Denmark (n = 139), respectively. Participants evaluated six aqueous samples with no addition (control), sucrose, citric acid, tartaric acid, or a mixture of sucrose and citric acid or sucrose and tartaric acid. No significant difference was found between citric acid and tartaric acid in the suppression of sweetness intensity ratings of sucrose. Further, sucrose suppressed sourness intensity ratings of citric acid and tartaric acid similarly. Culture did not impact the suppression of sweetness intensity ratings of citric or tartaric acid, whereas it did influence sourness intensity ratings. While the Danish consumers showed similar suppression of sourness by both acids, the Chinese consumers were more susceptible towards the sourness suppression caused by sucrose in the tartaric acid-sucrose mixture compared to the citric acid-sucrose mixture. Agglomerative hierarchical cluster analysis revealed clusters of consumers with significant differences in sweetness intensity ratings and sourness intensity ratings. These results indicate that individual differences in taste perception might affect perception of sweet-sour taste interactions, at least in aqueous solutions.
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Affiliation(s)
- Jonas Yde Junge
- Food Quality Perception and Society Team, iSense Lab, Department of Food Science, Faculty of Technical Sciences, Aarhus University, 8200 Aarhus N, Denmark; (J.Y.J.); (A.S.B.); (L.A.M.); (D.V.B.)
- Sino-Danish Center for Education and Research (SDC), 8000 Aarhus, Denmark; (Y.Z.); (Y.-X.S.)
| | - Anne Sjoerup Bertelsen
- Food Quality Perception and Society Team, iSense Lab, Department of Food Science, Faculty of Technical Sciences, Aarhus University, 8200 Aarhus N, Denmark; (J.Y.J.); (A.S.B.); (L.A.M.); (D.V.B.)
| | - Line Ahm Mielby
- Food Quality Perception and Society Team, iSense Lab, Department of Food Science, Faculty of Technical Sciences, Aarhus University, 8200 Aarhus N, Denmark; (J.Y.J.); (A.S.B.); (L.A.M.); (D.V.B.)
| | - Yan Zeng
- Sino-Danish Center for Education and Research (SDC), 8000 Aarhus, Denmark; (Y.Z.); (Y.-X.S.)
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Yuan-Xia Sun
- Sino-Danish Center for Education and Research (SDC), 8000 Aarhus, Denmark; (Y.Z.); (Y.-X.S.)
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
| | - Derek Victor Byrne
- Food Quality Perception and Society Team, iSense Lab, Department of Food Science, Faculty of Technical Sciences, Aarhus University, 8200 Aarhus N, Denmark; (J.Y.J.); (A.S.B.); (L.A.M.); (D.V.B.)
- Sino-Danish Center for Education and Research (SDC), 8000 Aarhus, Denmark; (Y.Z.); (Y.-X.S.)
| | - Ulla Kidmose
- Food Quality Perception and Society Team, iSense Lab, Department of Food Science, Faculty of Technical Sciences, Aarhus University, 8200 Aarhus N, Denmark; (J.Y.J.); (A.S.B.); (L.A.M.); (D.V.B.)
- Sino-Danish Center for Education and Research (SDC), 8000 Aarhus, Denmark; (Y.Z.); (Y.-X.S.)
- Correspondence: ; Tel.: +45-2086-5197
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12
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Ervina E, Berget I, L. Almli V. Investigating the Relationships between Basic Tastes Sensitivities, Fattiness Sensitivity, and Food Liking in 11-Year-Old Children. Foods 2020; 9:foods9091315. [PMID: 32961966 PMCID: PMC7554820 DOI: 10.3390/foods9091315] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/09/2020] [Accepted: 09/14/2020] [Indexed: 12/21/2022] Open
Abstract
This study investigates the relationships between basic tastes and fattiness sensitivity and food liking in 11-year-old children. The basic taste sensitivity of 106 children was measured using different methods, namely detection (DT) and recognition (RT) thresholds, and taste responsiveness. Caffeine and quinine (bitter), sucrose (sweet), citric acid (sour), sodium chloride (salty), and monosodium glutamate (umami) were investigated for DT and RT at five concentrations in water solutions. In addition, taste responsiveness and liking were collected for the high-intensity concentrations. PROP (6-n-propylthiouracil) responsiveness was tested on paper strips. Fattiness sensitivity was measured by a paired comparison method using milk samples with varying fat content. Liking for 30 food items was recorded using a food-list questionnaire. The test was completed in a gamified “taste detective” approach. The results show that DT correlates with RT for all tastes while responsiveness to PROP correlates with overall taste responsiveness. Caffeine and quinine differ in bitterness responsiveness and liking. Girls have significantly lower DTs than boys for bitterness and sweetness. Food liking is driven by taste and fattiness properties, while fatty food liking is significantly influenced by fattiness sensitivity. These results contribute to a better holistic understanding of taste and fattiness sensitivity in connection to food liking in preadolescents.
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Affiliation(s)
- Ervina Ervina
- Nofima, Norwegian Institute of Food, Fisheries and Aquaculture Research, 1433 Ås, Norway; (I.B.); (V.L.A.)
- Department of Chemistry, Biotechnology and Food Science (KBM), The Norwegian University of Life Sciences, 1433 Ås, Norway
- Correspondence:
| | - Ingunn Berget
- Nofima, Norwegian Institute of Food, Fisheries and Aquaculture Research, 1433 Ås, Norway; (I.B.); (V.L.A.)
| | - Valérie L. Almli
- Nofima, Norwegian Institute of Food, Fisheries and Aquaculture Research, 1433 Ås, Norway; (I.B.); (V.L.A.)
- Department of Chemistry, Biotechnology and Food Science (KBM), The Norwegian University of Life Sciences, 1433 Ås, Norway
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Consumer-Based Sensory Characterization of Steviol Glycosides (Rebaudioside A, D, and M). Foods 2020; 9:foods9081026. [PMID: 32751835 PMCID: PMC7466183 DOI: 10.3390/foods9081026] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 07/24/2020] [Accepted: 07/29/2020] [Indexed: 02/06/2023] Open
Abstract
Rebaudioside (Reb) D and M are the recent focus of the food industry to address the bitter taste challenge of Reb A, which is the most commonly used steviol glycoside in natural sweetener stevia. This study evaluated the sensory characteristics of Reb A, D, and M, compared to 14% (w/v) sucrose, using a consumer panel and explored the relationship between 6-n-Propylthiouracil (PROP) taster status (i.e., non-tasters, medium tasters, supertasters) and the perceived intensity of sweet and bitter tastes of the three steviol glycosides. A total of 126 participants evaluated the intensities of in-mouth, immediate (5 s after expectorating), and lingering (1 min after expectorating) sweetness and bitterness of 0.1% Reb A, D, M, and 14% sucrose and described the aftertaste of the sweeteners by using a check-all-that-apply (CATA) question. The results showed that in-mouth sweetness and bitterness of Reb D and M were not significantly different from sucrose, unlike Reb A which showed significant bitterness. However, Reb D and M showed more intense lingering sweetness than sucrose. The CATA analysis resulted that Reb D and M were closer to positive attribute terms and also to sucrose than Reb A, but Reb D and M were still considered artificial, which may cause them to be perceived negatively. When comparing among PROP taster groups, no significant differences in the perceived sweetness and bitterness of the three steviol glycosides were found. This study generates important information about Reb A, D, and M for the food industry, especially working with products formulated to deliver reductions in sugar using a natural high-intensity sweetener, stevia.
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14
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Yang Q, Williamson AM, Hasted A, Hort J. Exploring the relationships between taste phenotypes, genotypes, ethnicity, gender and taste perception using Chi-square and regression tree analysis. Food Qual Prefer 2020. [DOI: 10.1016/j.foodqual.2020.103928] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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15
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Cosson A, Delarue J, Mabille AC, Druon A, Descamps N, Roturier JM, Souchon I, Saint-Eve A. Block protocol for conventional profiling to sensory characterize plant protein isolates. Food Qual Prefer 2020. [DOI: 10.1016/j.foodqual.2020.103927] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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16
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Identification of an Amygdala-Thalamic Circuit That Acts as a Central Gain Mechanism in Taste Perceptions. J Neurosci 2020; 40:5051-5062. [PMID: 32371606 DOI: 10.1523/jneurosci.2618-19.2020] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 02/10/2020] [Accepted: 03/19/2020] [Indexed: 01/20/2023] Open
Abstract
Peripheral sources of individual variation in taste intensity perception have been well described. The existence of a central source has been proposed but remains unexplored. Here we used functional magnetic resonance imaging in healthy human participants (20 women, 8 men) to evaluate the hypothesis that the amygdala exerts an inhibitory influence that affects the "gain" of the gustatory system during tasting. Consistent with the existence of a central gain mechanism (CGM), we found that central amygdala response was correlated with mean intensity ratings across multiple tastants. In addition, psychophysiological and dynamic causal modeling analyses revealed that the connection strength between inhibitory outputs from amygdala to medial dorsal and ventral posterior medial thalamus predicted individual differences in responsiveness to taste stimulation. These results imply that inhibitory inputs from the amygdala to the thalamus act as a CGM that influences taste intensity perception.SIGNIFICANCE STATEMENT Whether central circuits contribute to individual variation in taste intensity perception is unknown. Here we used functional magnetic resonance imaging in healthy human participants to identify an amygdala-thalamic circuit where network dynamics and connectivity strengths during tasting predict individual variation in taste intensity ratings. This finding implies that individual differences in taste intensity perception do not arise solely from variation in peripheral gustatory factors.
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Cattaneo C, Liu J, Bech AC, Pagliarini E, Bredie WL. Cross-cultural differences in lingual tactile acuity, taste sensitivity phenotypical markers, and preferred oral processing behaviors. Food Qual Prefer 2020. [DOI: 10.1016/j.foodqual.2019.103803] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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18
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Upadhyay R, Aktar T, Chen J. Perception of creaminess in foods. J Texture Stud 2020; 51:375-388. [PMID: 32017109 DOI: 10.1111/jtxs.12509] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 12/17/2019] [Accepted: 01/24/2020] [Indexed: 11/26/2022]
Abstract
Food texture and mouthfeel play a crucial role in product and consumer acceptability. Creaminess, enjoyed by consumers, is a complex, multimodal sensory perception involving olfactory, gustatory and tactile cues. Oral viscosity and lubrication are the key underlying physical properties that define the mechanism of creaminess perception. Thickness, smoothness, mouth-coating, and dairy flavor can together play roles in the sensation of creaminess. The aim of this review is to present an understanding of the term" creaminess" along with different modalities involved in its perception, and to explore the oral physiological parameters and key physical properties that may be involved in the different oral modalities. An analysis of the previously examined links between food structure and composition and oral physiological parameters is presented. The review also presents a brief summary of previous models describing contributions of taste, aroma, and textural sensations. It emphasizes on the role of oral processing in testing proposed models with experimental evidence supporting those models and the future trends to enhance creaminess.
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Affiliation(s)
- Rituja Upadhyay
- Food Oral Processing Laboratory, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, People's Republic of China
| | - Tugba Aktar
- Department of Food Engineering, Alanya Alaaddin Keykubat University, Antalya, Turkey
| | - Jianshe Chen
- Food Oral Processing Laboratory, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, People's Republic of China
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19
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Smail HO. The roles of genes in the bitter taste. AIMS GENETICS 2020; 6:88-97. [PMID: 31922012 PMCID: PMC6949464 DOI: 10.3934/genet.2019.4.88] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Accepted: 12/07/2019] [Indexed: 12/12/2022]
Abstract
The aims of this review were to understand the roles of bitter taste genes in humans. Some of the peoples have the capacity to taste some chemical substance such as phenylthiocarbamide (PTC) while others cant not based on the dietary hazards and food preferences. There are two alleles responsible to express these phenotypes which are homozygous recessive. In human TAS2R38 genes located on the chromosome number 7 and consist of different nucleotide polymorphism that related to detection of the phenotype of different chemical compounds such as 6-n-propylthiouracil (PROP) and phenylthiocarbamide bitterness and this Gene is the member of the TAS2R genes which are eleven pseudogenes and twenty that has roles in many biological processes. There are many factors that affect the bitter taste such as food, age, sex, and different diseases. The mechanism of food bitter taste and genotype of TAS2R38 until know not well understood due to that the proof of relation between bitter taste sensitivity and food is harmful. there are many different diseases can impact the influence of taste such as neoplasm and lifestyle such as consumption of alcohol along with the use of medication, head trauma, upper tract infections. On the other hand, A relation between TAS2R38 genotype and meal preferences has been observed among children, however, no associations have been mentioned among older adults. Some previous research proved some vital points that show an association between type 1 of diabetes and phenylthiocarbamide (PTC) but other studies cannot demonstrate that. However, of other disease such as obesity is controversial but other studies reported to the relationship between them.
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Affiliation(s)
- Harem Othman Smail
- Department of Biology, Faculty of science and health, Koya University Koya KOY45, Kurdistan Region-F.R. Iraq
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20
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Taste Sensitivity Is Associated with Food Consumption Behavior but not with Recalled Pleasantness. Foods 2019; 8:foods8100444. [PMID: 31569738 PMCID: PMC6835699 DOI: 10.3390/foods8100444] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 09/19/2019] [Accepted: 09/25/2019] [Indexed: 12/26/2022] Open
Abstract
As taste perception varies between individuals, it might be important in explaining food consumption behavior. Previous studies have focused on sensitivity to the bitter tastant PROP (6-n-propylthiouracil) concerning eating with little attention paid to other tastants. For the first time, connections between food consumption behavior, pleasantness, and taste sensitivity are studied with five taste modalities. Sensitivity to bitterness, sourness, umami, saltiness, and sweetness as well as an overall taste sensitivity score was determined with intensity evaluation for 199 Finnish adults. Recalled pleasantness and food consumption behavior were enquired with online questionnaires. Consumption concerned intake of vegetables, fruits, and berries; use-frequency of specific foods; and tendency to mask or modify tastes of foods. All modality-specific taste sensitivities were related to some consumption behavior but none to recalled pleasantness. A higher taste sensitivity score indicated avoidance of coffee, lower consumption of pungent foods, and a more frequent habit of adding ketchup to a meal. In conclusion, it may be more informative to study the influence of taste sensitivity on food consumption behavior with taste modalities separately rather than with a general indicator of taste sensitivity. Additionally, these results highlight the importance of studying actual behavior toward food and not just liking.
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21
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Perceptual learning in the chemical senses: A review. Food Res Int 2019; 123:746-761. [DOI: 10.1016/j.foodres.2019.06.005] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 05/22/2019] [Accepted: 06/03/2019] [Indexed: 01/21/2023]
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22
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Schienle A, Schlintl C. The Association Between Quinine Hydrochloride Sensitivity and Disgust Proneness in Children and Adults. CHEMOSENS PERCEPT 2019. [DOI: 10.1007/s12078-019-09268-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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23
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Yang Q, Kraft M, Shen Y, MacFie H, Ford R. Sweet Liking Status and PROP Taster Status impact emotional response to sweetened beverage. Food Qual Prefer 2019. [DOI: 10.1016/j.foodqual.2019.02.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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24
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Feeney EL, Leacy L, O'Kelly M, Leacy N, Phelan A, Crowley L, Stynes E, de Casanove A, Horner K. Sweet and Umami Taste Perception Differs with Habitual Exercise in Males. Nutrients 2019; 11:E155. [PMID: 30642050 PMCID: PMC6357145 DOI: 10.3390/nu11010155] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 12/17/2018] [Accepted: 12/29/2018] [Indexed: 12/29/2022] Open
Abstract
Taste is influenced by several factors. However, whether habitual exercise level is associated with differences in taste perception has received little investigation. The aim of this study was to determine if habitual exercise is associated with differences in taste perception in men. Active (n = 16) and inactive (n = 14) males, between ages 18⁻55, underwent two days of sensory testing, using prototypical taste stimuli of high and low concentrations for sweet, salt, bitter, sour, umami, and carbohydrate (maltodextrin). Mean perceived intensity and hedonic ratings were recorded. Eating behaviour was assessed by the three factor eating questionnaire and food intake by EPIC food frequency questionnaire (FFQ). There were moderate to large differences between the two groups in perceived intensity for sweet taste at the high concentration and umami taste at both high and low concentrations, with active males recording a higher perceived intensity (p < 0.05 for all). The active group also recorded a greater dislike for umami low and carbohydrate low concentration (p < 0.01). Salt, bitter and sour perception did not significantly differ between the two groups. FFQ analysis showed no difference in % energy from macronutrients between the groups. Eating behaviour traits correlated with sweet taste intensity and umami taste liking, independent of activity status. Results indicated that sweet and umami taste perception differ in active compared to inactive males. Habitual exercise level should be considered in taste perception research and in product development. Whether differences in taste perception could be one factor influencing food intake and thus energy balance with habitual exercise warrants further investigation.
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Affiliation(s)
- Emma L Feeney
- School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Laura Leacy
- School of Public Health, Physiotherapy and Sport Science, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Mark O'Kelly
- School of Public Health, Physiotherapy and Sport Science, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Niamh Leacy
- School of Public Health, Physiotherapy and Sport Science, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Abbie Phelan
- School of Public Health, Physiotherapy and Sport Science, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Leah Crowley
- School of Public Health, Physiotherapy and Sport Science, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Emily Stynes
- School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Aude de Casanove
- School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Katy Horner
- School of Public Health, Physiotherapy and Sport Science, University College Dublin, Belfield, Dublin 4, Ireland.
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25
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Interactions between Bitter Taste, Diet and Dysbiosis: Consequences for Appetite and Obesity. Nutrients 2018; 10:nu10101336. [PMID: 30241292 PMCID: PMC6213475 DOI: 10.3390/nu10101336] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 09/18/2018] [Accepted: 09/19/2018] [Indexed: 12/19/2022] Open
Abstract
The type 2 family of taste receptors (T2Rs) detect and respond to bitter tastants. These receptors are expressed throughout the gastrointestinal (GI) tract, with location dependant roles. In the oral cavity, T2Rs are involved in the conscious perception of bitter tastants, while in the lower GI tract they have roles in chemoreception and regulation of GI function. Through these diverse roles, these receptors may be involved in modulating appetite and diet, with consequences for weight regulation and obesity. Interestingly, the concentration of T2Rs in the GI tract is greatest in the large intestine, the organ with the densest colonisation of bacteria. The gut microbiome has been the subject of intense research, as a plethora of roles linking microbiota to human health continue to be uncovered. Of particular interest is the microbial signature associated with obesity. Obesity is a leading health concern, and advances in our understanding of this disease are needed. Diet is a known modifiable factor in the development of obesity. However, diet only partially explains disease risk. Changes in microbial energy harvesting by the microbiota plays a role in obesity, and the composition of these energy harvesting populations may be controlled by taste receptors. This review explores T2Rs as a potential link between obesity and the human GI microbiome.
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26
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Yang Q, Dorado R, Chaya C, Hort J. The impact of PROP and thermal taster status on the emotional response to beer. Food Qual Prefer 2018. [DOI: 10.1016/j.foodqual.2018.03.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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27
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Expression of the candidate fat taste receptors in human fungiform papillae and the association with fat taste function. Br J Nutr 2018; 120:64-73. [DOI: 10.1017/s0007114518001265] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AbstractSignificant experimental evidence supports fat as a taste modality; however, the associated peripheral mechanisms are not well established. Several candidate taste receptors have been identified, but their expression pattern and potential functions in human fungiform papillae remain unknown. The aim of this study is to identify the fat taste candidate receptors and ion channels that were expressed in human fungiform taste buds and their association with oral sensory of fatty acids. For the expression analysis, quantitative RT-PCR (qRT-PCR) from RNA extracted from human fungiform papillae samples was used to determine the expression of candidate fatty acid receptors and ion channels. Western blotting analysis was used to confirm the presence of the proteins in fungiform papillae. Immunohistochemistry analysis was used to localise the expressed receptors or ion channels in the taste buds of fungiform papillae. The correlation study was analysed between the expression level of the expressed fat taste receptors or ion channels indicated by qRT-PCR and fat taste threshold, liking of fatty food and fat intake. As a result, qRT-PCR and western blotting indicated that mRNA and protein of CD36, FFAR4, FFAR2, GPR84 and delayed rectifying K+ channels are expressed in human fungiform taste buds. The expression level of CD36 was associated with the liking difference score (R −0·567, β=−0·04, P=0·04) between high-fat and low-fat food and FFAR2 was associated with total fat intake (ρ=−0·535, β=−0·01, P=0·003) and saturated fat intake (ρ=−0·641, β=−0·02, P=0·008).
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28
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29
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Wolf A, Renner B, Tomazic PV, Mueller CA. Gustatory Function in Patients With Chronic Rhinosinusitis. Ann Otol Rhinol Laryngol 2018; 127:229-234. [DOI: 10.1177/0003489418754583] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Axel Wolf
- Medical University of Graz, Department of Otothinolaryngology, Head and Neck Surgery, Graz, Austria
| | - Bertold Renner
- University of Erlangen-Nuernberg, Institute of Experimental and Clinical Pharmacology and Toxicology, Erlangen, Germany
| | - Peter V. Tomazic
- Medical University of Graz, Department of Otothinolaryngology, Head and Neck Surgery, Graz, Austria
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30
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Evidence supporting oral sensitivity to complex carbohydrates independent of sweet taste sensitivity in humans. PLoS One 2017; 12:e0188784. [PMID: 29281655 PMCID: PMC5744938 DOI: 10.1371/journal.pone.0188784] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 11/13/2017] [Indexed: 12/31/2022] Open
Abstract
Compared to simple sugars, complex carbohydrates have been assumed invisible to taste. However, two recent studies proposed that there may be a perceivable taste quality elicited by complex carbohydrates independent of sweet taste. There is precedent with behavioural studies demonstrating that rats are very attracted to complex carbohydrates, and that complex carbohydrates are preferred to simple sugars at low concentrations. This suggests that rats may have independent taste sensors for simple sugars and complex carbohydrates. The aim of this paper is to investigate oral sensitivities of two different classes of complex carbohydrates (a soluble digestible and a soluble non-digestible complex carbohydrate), and to compare these to other caloric and non-nutritive sweeteners in addition to the prototypical tastes using two commonly used psychophysical measures. There were strong correlations between the detection thresholds and mean intensity ratings for complex carbohydrates (maltodextrin, oligofructose) (r = 0.94, P < 0.001). There were no significant correlations between the detection thresholds of the complex carbohydrates (maltodextrin, oligofructose) and the sweeteners (glucose, fructose, sucralose, Rebaudioside A, erythritol) (all P > 0.05). However, moderate correlations were observed between perceived intensities of complex carbohydrates and sweeteners (r = 0.48–0.61, P < 0.05). These data provide evidence that complex carbohydrates can be sensed in the oral cavity over a range of concentrations independent of sweet taste sensitivity at low concentrations, but with partial overlap with sweet taste intensity at higher concentrations.
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31
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Eldeghaidy S, Thomas D, Skinner M, Ford R, Giesbrecht T, Thomas A, Hort J, Francis S. An automated method to detect and quantify fungiform papillae in the human tongue: Validation and relationship to phenotypical differences in taste perception. Physiol Behav 2017; 184:226-234. [PMID: 29223711 PMCID: PMC5766753 DOI: 10.1016/j.physbeh.2017.12.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 11/29/2017] [Accepted: 12/03/2017] [Indexed: 12/26/2022]
Abstract
Determination of the number of fungiform papillae (FP) on the human tongue is an important measure that has frequently been associated with individual differences in oral perception, including taste sensitivity. At present, there is no standardised method consistently used to identify the number of FP, and primarily scientists manually count papillae over a small region(s) of the anterior tip of a stained tongue. In this study, a rapid automated method was developed to quantify the number of FP across the anterior 2 cm of an unstained tongue from high resolution digital images. In 60 participants, the automated method was validated against traditional manual counting, and then used to assess the relationship between the number of FP and taste phenotype (both 6-n-propylthiouracil (PROP) and Thermal Taster Status). FP count on the anterior 2 cm of the tongue was found to correlate significantly with PROP taster status. PROP supertasters (PSTs) had a significantly higher FP count compared with PROP non-tasters (PNTs). Conversely, the common approach used to determine the number of FP in a small 6 mm diameter circle on the anterior tongue tip, did not show a significant correlation irrespective of whether it was determined via automated or manual counting. The regional distribution of FP was assessed across PROP taster status groups. PSTs had a significantly higher FP count within the first centimetre of the anterior tongue compared with the PNT and PROP medium-tasters (PMT), with no significant difference in the second centimetre. No significant relationship was found with Thermal Taster Status and FP count, or interaction with PROP taster status groups, supporting previous evidence suggesting these phenomena are independent. The automated method is a valuable tool, enabling reliable quantification of FP over the anterior 2 cm surface of the tongue, and overcomes subjective discrepancies in manual counting. Automatic, rapid quantification of FP across the anterior 2 cm of the tongue FP count in small tongue tip areas does not reliably correlate reliably with PROP status. Number of FP across the anterior 2 cm of the tongue correlates with PROP status. No relationship identified between the number of FP and thermal taster status. PROP and thermal taste are independent phenomena.
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Affiliation(s)
- Sally Eldeghaidy
- Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, UK.
| | - Daniel Thomas
- Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, UK
| | - Martha Skinner
- Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, UK; Sensory Science Centre, School of Biosciences, Sutton Bonington Campus, University of Nottingham, Loughborough, UK
| | - Rebecca Ford
- Sensory Science Centre, School of Biosciences, Sutton Bonington Campus, University of Nottingham, Loughborough, UK
| | - Timo Giesbrecht
- Unilever Research and Development, Port Sunlight, Wirral, Merseyside, CH63 3JW, UK
| | - Anna Thomas
- Unilever Research and Development, Port Sunlight, Wirral, Merseyside, CH63 3JW, UK
| | - Joanne Hort
- Sensory Science Centre, School of Biosciences, Sutton Bonington Campus, University of Nottingham, Loughborough, UK
| | - Susan Francis
- Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, UK
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Feeney EL, O'Brien SA, Scannell AG, Markey A, Gibney ER. Suprathreshold measures of taste perception in children - Association with dietary quality and body weight. Appetite 2017; 113:116-123. [DOI: 10.1016/j.appet.2017.02.026] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 01/18/2017] [Accepted: 02/18/2017] [Indexed: 11/16/2022]
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Doty RL, Chen JH, Overend J. Taste Quality Confusions: Influences of Age, Smoking, PTC Taster Status, and other Subject Characteristics. Perception 2017; 46:257-267. [PMID: 28056649 DOI: 10.1177/0301006616685577] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Many persons misidentify the quality of taste stimuli, a phenomenon termed "taste confusion." In this study of 1000 persons, we examined the influences of age, sex, causes of chemosensory disturbances, and genetically determined phenylthiocarbamide (PTC) taster status on taste quality confusions for four tastants (sucrose, citric acid, sodium chloride, caffeine). Overall, sour-bitter confusions were most common (19.3%), followed by bitter-sour (11.4%), salty-bitter (7.3%), salty-sour (7.0%), bitter-salty (3.5%), bitter-sweet (3.4), and sour-salty (2.4%) confusions. Confusions for sweet were <1%. Asymmetries were common (e.g., bitter-sour confusions were less frequent than sour-bitter confusions). Women had fewer salty-bitter confusions than did men (5.7% vs. 11.4%). Overall, PTC tasters had fewer confusions than non-tasters except for salty-bitter confusions. Confusions typically increased monotonically with age. Current smokers exhibited more sour-bitter confusions than never smokers (48.9% vs. 32.2%), whereas past smokers had more bitter-sour confusions than never smokers (23.8% vs. 14.2%). Previous head trauma was associated with higher bitter-salty and salty-bitter confusions relative to those of some other etiologies. This study demonstrates, for the first time, that multiple subject factors influence taste confusions and, along with literature accounts, supports the view that there are both biological and psychological determinants of taste quality confusions.
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Affiliation(s)
- Richard L Doty
- Smell and Taste Center, Department of Otorhinolaryngology: Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Jonathan H Chen
- Smell and Taste Center, Department of Otorhinolaryngology: Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Jane Overend
- Smell and Taste Center, Department of Otorhinolaryngology: Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
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34
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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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35
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Hwang LD, Breslin PAS, Reed DR, Zhu G, Martin NG, Wright MJ. Is the Association Between Sweet and Bitter Perception due to Genetic Variation? Chem Senses 2016; 41:737-744. [PMID: 27506221 DOI: 10.1093/chemse/bjw083] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Perceived intensities of sweetness and bitterness are correlated with one another and each is influenced by genetics. The extent to which these correlations share common genetic variation, however, remains unclear. In a mainly adolescent sample ( n = 1901, mean age 16.2 years), including 243 monozygotic (MZ) and 452 dizygotic (DZ) twin pairs, we estimated the covariance among the perceived intensities of 4 bitter compounds (6- n -propylthiouracil [PROP], sucrose octa-acetate, quinine, caffeine) and 4 sweeteners (the weighted mean ratings of glucose, fructose, neohesperidine dihydrochalcone, aspartame) with multivariate genetic modeling. The sweetness factor was moderately correlated with sucrose octa-acetate, quinine, and caffeine ( rp = 0.35-0.40). This was mainly due to a shared genetic factor ( rg = 0.46-0.51) that accounted for 17-37% of the variance in the 3 bitter compounds' ratings and 8% of the variance in general sweetness ratings. In contrast, an association between sweetness and PROP only became evident after adjusting for the TAS2R38 diplotype ( rp increased from 0.18 to 0.32) with the PROP genetic factor accounting for 6% of variance in sweetness. These genetic associations were not inflated by scale use bias, as the cross-trait correlations for both MZ and DZ twins were weak. There was also little evidence for mediation by cognition or behavioral factors. This suggests an overlap of genetic variance between perceptions of sweetness and bitterness from a variety of stimuli, which includes PROP when considering the TAS2R38 diplotype. The most likely sources of shared variation are within genes encoding post-receptor transduction mechanisms common to the various taste G protein-coupled receptors.
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Affiliation(s)
- Liang-Dar Hwang
- QIMR Berghofer Medical Research Institute , Brisbane , Queensland 4006 , Australia.,School of Medicine , University of Queensland , Brisbane , Queensland 4006 , Australia
| | - Paul A S Breslin
- Monell Chemical Senses Center , Philadelphia, PA 19104 , USA.,Department of Nutritional Sciences , School of Environmental and Biological Sciences , Rutgers University , New Brunswick , NJ 08901 , USA
| | - Danielle R Reed
- Monell Chemical Senses Center , Philadelphia, PA 19104 , USA
| | - Gu Zhu
- QIMR Berghofer Medical Research Institute , Brisbane , Queensland 4006 , Australia
| | - Nicholas G Martin
- QIMR Berghofer Medical Research Institute , Brisbane , Queensland 4006 , Australia
| | - Margaret J Wright
- Queensland Brain Institute , University of Queensland , Brisbane , Queensland 4072 , Australia and.,Centre for Advanced Imaging , University of Queensland , Brisbane , Queensland 4072 , Australia
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Doty RL, De Fonte TP. Relationship of Phenylthiocarbamide (PTC) Taster Status to Olfactory and Gustatory Function in Patients with Chemosensory Disturbances. Chem Senses 2016; 41:685-96. [PMID: 27402661 DOI: 10.1093/chemse/bjw070] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Poor sensitivity to the bitter taste of phenylthiocarbamide (PTC) and related substances has been associated with a number of diseases. We determined, in patients with chemosensory dysfunction from multiple etiologies, whether PTC "tasters" (n = 511) exhibit less smell and taste dysfunction than their non-PTC-tasting counterparts (n = 432) on a comprehensive battery of olfactory and gustatory tests. The proportion of tasters (54%) in our study population was much lower than that calculated from 11 North American population studies (76.5%; P < 0.0001). This taster/nontaster ratio was maintained across a range of etiologic categories. More women (60.7%) than men (45.5%) were PTC tasters (P < 0.0001). Although PTC tasting status was unrelated to scores on the olfactory tests (which included tests of odor identification, detection threshold, and odor memory/discrimination), tasters significantly outperformed nontasters on suprathreshold identification and intensity taste tests employing both bitter (caffeine) and nonbitter (sucrose, citric acid, sodium chloride) tasting stimuli. Regardless of PTC taster status, women outperformed men on the taste tests. Our findings suggest the possibility that the T2R38 gene may protect against significant olfactory dysfunction, but once such dysfunction becomes manifest at a level where professional help is sought, such protection is not evident. However, other hypotheses for this phenomenon are possible. This study demonstrates that patients with chemosensory disturbances who are PTC tasters outperform their non-PTC taster counterparts in both identifying and perceiving the intensity of a range of suprathreshold tastants, including ones that do not taste bitter.
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Affiliation(s)
- Richard L Doty
- Smell and Taste Center, Department of Otorhinolaryngology: Head and Neck Surgery, Perelman School of Medicine, University of Pennsylvania, 5 Ravdin Pavilion, 3400 Spruce Street, Philadelphia, PA 19104, USA and
| | - Tatiana Prosini De Fonte
- Pediatric Dentistry, Faculty of Dentistry, University of Pernambuco, Recife, Camaragibe, PE 54753-020, Brazil
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37
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Individual Differences in Retronasal Odor Responsiveness: Effects of Aging and Concurrent Taste. CHEMOSENS PERCEPT 2016. [DOI: 10.1007/s12078-016-9206-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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38
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Fildes A, van Jaarsveld CHM, Cooke L, Wardle J, Llewellyn CH. Common genetic architecture underlying young children's food fussiness and liking for vegetables and fruit. Am J Clin Nutr 2016; 103:1099-104. [PMID: 26864359 PMCID: PMC4807704 DOI: 10.3945/ajcn.115.122945] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2015] [Accepted: 12/30/2015] [Indexed: 10/28/2022] Open
Abstract
BACKGROUND Food fussiness (FF) is common in early childhood and is often associated with the rejection of nutrient-dense foods such as vegetables and fruit. FF and liking for vegetables and fruit are likely all heritable phenotypes; the genetic influence underlying FF may explain the observed genetic influence on liking for vegetables and fruit. Twin analyses make it possible to get a broad-based estimate of the extent of the shared genetic influence that underlies these traits. OBJECTIVE We quantified the extent of the shared genetic influence that underlies FF and liking for vegetables and fruit in early childhood with the use of a twin design. DESIGN Data were from the Gemini cohort, which is a population-based sample of twins born in England and Wales in 2007. Parents of 3-y-old twins (n= 1330 pairs) completed questionnaire measures of their children's food preferences (liking for vegetables and fruit) and the FF scale from the Children's Eating Behavior Questionnaire. Multivariate quantitative genetic modeling was used to estimate common genetic influences that underlie FF and liking for vegetables and fruit. RESULTS Genetic correlations were significant and moderate to large in size between FF and liking for both vegetables (-0.65) and fruit (-0.43), which indicated that a substantial proportion of the genes that influence FF also influence liking. Common genes that underlie FF and liking for vegetables and fruit largely explained the observed phenotypic correlations between them (68-70%). CONCLUSIONS FF and liking for fruit and vegetables in young children share a large proportion of common genetic factors. The genetic influence on FF may determine why fussy children typically reject fruit and vegetables.
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Affiliation(s)
- Alison Fildes
- Health Behavior Research Centre, Department of Epidemiology and Public Health, University College London, London, United Kingdom; and
| | - Cornelia H M van Jaarsveld
- Department for Health Evidence and Department of Primary and Community Care, Radboud University Medical Center, Nijmegen, Netherlands
| | - Lucy Cooke
- Health Behavior Research Centre, Department of Epidemiology and Public Health, University College London, London, United Kingdom; and
| | - Jane Wardle
- Health Behavior Research Centre, Department of Epidemiology and Public Health, University College London, London, United Kingdom; and
| | - Clare H Llewellyn
- Health Behavior Research Centre, Department of Epidemiology and Public Health, University College London, London, United Kingdom; and
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Barajas-Ramírez JA, Quintana-Castro R, Oliart-Ros RM, Angulo-Guerrero O. Bitter taste perception andTAS2R38genotype: effects on taste sensitivity, food consumption and anthropometry in Mexican adults. FLAVOUR FRAG J 2016. [DOI: 10.1002/ffj.3319] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Jahir A. Barajas-Ramírez
- UNIDA; Instituto Tecnologico de Veracruz; Miguel Angel de Quevedo 2779, Col. Formando Hogar C.P.97897 H. Veracruz Veracruz México
| | - Rodolfo Quintana-Castro
- Facultad de Bioanálisis; Universidad Veracruzana; Iturbide s/n. Veracruz Veracruz Col Centro C.P. 91879 México
| | - Rosa M. Oliart-Ros
- UNIDA; Instituto Tecnologico de Veracruz; Miguel Angel de Quevedo 2779, Col. Formando Hogar C.P.97897 H. Veracruz Veracruz México
| | - Ofelia Angulo-Guerrero
- UNIDA; Instituto Tecnologico de Veracruz; Miguel Angel de Quevedo 2779, Col. Formando Hogar C.P.97897 H. Veracruz Veracruz México
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40
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Hort J, Ford RA, Eldeghaidy S, Francis ST. Thermal taster status: Evidence of cross-modal integration. Hum Brain Mapp 2016; 37:2263-75. [PMID: 26947429 DOI: 10.1002/hbm.23171] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 02/22/2016] [Accepted: 02/22/2016] [Indexed: 11/10/2022] Open
Abstract
Thermal taster status refers to the finding that, in some individuals, thermal stimulation of the tongue elicits a phantom taste. Little is known regarding the mechanism for this, it is hypothesised to be a result of cross-wiring between gustatory and trigeminal nerves whose receptors co-innervate papillae on the tongue. To address this, we use functional magnetic resonance imaging to perform the first study of whether the cortical response to gustatory-trigeminal samples is altered with thermal taster status. We study the response to cold (6°C) gustatory (sweet) samples at varying levels of trigeminal stimulation elicited by CO2 (no CO2 , low CO2 , high CO2 ) in thermal taster (TT) and thermal non-taster (TnT) groups, and evaluate associated behavioural measures. Behaviourally, the TT group perceived gustatory and trigeminal stimuli significantly more intense than TnTs, and were significantly more discriminating of CO2 level. fMRI data revealed elevated cortical activation to the no CO2 sample for the TT group compared to TnT group in taste, oral somatosensory and reward areas. In TnTs, a significant positive modulation in cortical response with increasing level of CO2 was found across taste, somatosensory and reward areas. In contrast, in TTs, a reduced positive modulation with increasing level of CO2 was found in somatosensory areas (SI, SII), whilst a significant negative modulation was found in taste (anterior insula) and reward (ACC) areas. This difference in cortical response to trigeminal stimuli supports cross-modal integration in TTs, with gustatory and trigeminal nerves highly stimulated by cold gustatory samples due to their intertwined nature. Hum Brain Mapp 37:2263-2275, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Joanne Hort
- Sensory Science Centre, School of Biosciences, Sutton Bonington Campus, University of Nottingham, Loughborough, United Kingdom
| | - Rebecca A Ford
- Sensory Science Centre, School of Biosciences, Sutton Bonington Campus, University of Nottingham, Loughborough, United Kingdom
| | - Sally Eldeghaidy
- Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, United Kingdom.,Physics Department, Faculty of Science, Suez Canal University, Ismailia, Egypt
| | - Susan T Francis
- Sir Peter Mansfield Imaging Centre, School of Physics and Astronomy, University of Nottingham, United Kingdom
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Heinze JM, Preissl H, Fritsche A, Frank S. Controversies in fat perception. Physiol Behav 2015; 152:479-93. [PMID: 26340857 DOI: 10.1016/j.physbeh.2015.08.033] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Revised: 08/25/2015] [Accepted: 08/26/2015] [Indexed: 12/22/2022]
Abstract
Nutritional fat is one of the most controversial topics in nutritional research, particularly against the background of obesity. Studies investigating fat taste perception have revealed several associations with sensory, genetic, and personal factors (e.g. BMI). However, neuronal activation patterns, which are known to be highly sensitive to different tastes as well as to BMI differences, have not yet been included in the scheme of fat taste perception. We will therefore provide a comprehensive survey of the sensory, genetic, and personal factors associated with fat taste perception and highlight the benefits of applying neuroimaging research. We will also give a critical overview of studies investigating sensory fat perception and the challenges resulting from multifaceted methodological approaches. In conclusion, we will discuss a multifactorial approach to fat perception to gain a better understanding of the underlying mechanisms that cause varying fat sensitivity which could be responsible for overeating. Such knowledge might be beneficial in new treatment strategies for obesity and overweight.
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Affiliation(s)
- Jaana M Heinze
- Institute of Medical Psychology and Behavioral Neurobiology/fMEG Center, University of Tübingen, Otfried Müller Str. 47, 72076 Tübingen, Germany; Department of Internal Medicine IV, University Hospital Tübingen, Otfried Müller Str. 10, 72076 Tübingen, Germany; Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Otfried Müller Str. 47, 72076 Tübingen, Germany; German Center for Diabetes Research, Otfried Müller Str. 47, 72076 Tübingen, Germany
| | - Hubert Preissl
- Department of Internal Medicine IV, University Hospital Tübingen, Otfried Müller Str. 10, 72076 Tübingen, Germany; Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Otfried Müller Str. 47, 72076 Tübingen, Germany; German Center for Diabetes Research, Otfried Müller Str. 47, 72076 Tübingen, Germany.
| | - Andreas Fritsche
- Department of Internal Medicine IV, University Hospital Tübingen, Otfried Müller Str. 10, 72076 Tübingen, Germany; Institute for Diabetes Research and Metabolic Diseases of the Helmholtz Center Munich at the University of Tübingen, Otfried Müller Str. 47, 72076 Tübingen, Germany; German Center for Diabetes Research, Otfried Müller Str. 47, 72076 Tübingen, Germany
| | - Sabine Frank
- Institute of Medical Psychology and Behavioral Neurobiology/fMEG Center, University of Tübingen, Otfried Müller Str. 47, 72076 Tübingen, Germany
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42
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Beckett EL, Martin C, Yates Z, Veysey M, Duesing K, Lucock M. Bitter taste genetics--the relationship to tasting, liking, consumption and health. Food Funct 2015; 5:3040-54. [PMID: 25286017 DOI: 10.1039/c4fo00539b] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Bitter is the most complex of human tastes, and is arguably the most important. Aversion to bitter taste is important for detecting toxic compounds in food; however, many beneficial nutrients also taste bitter and these may therefore also be avoided as a consequence of bitter taste. While many polymorphisms in TAS2R genes may result in phenotypic differences that influence the range and sensitivity of bitter compounds detected, the full extent to which individuals differ in their abilities to detect bitter compounds remains unknown. Simple logic suggests that taste phenotypes influence food preferences, intake and consequently health status. However, it is becoming clear that genetics only plays a partial role in predicting preference, intake and health outcomes, and the complex, pleiotropic relationships involved are yet to be fully elucidated.
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Affiliation(s)
- Emma L Beckett
- School of Environmental and Life Sciences, University of Newcastle, Brush Rd, Ourimbah, NSW 2258, Australia.
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Kruger R, Shultz SP, McNaughton SA, Russell AP, Firestone RT, George L, Beck KL, Conlon CA, von Hurst PR, Breier B, Jayasinghe SN, O’Brien WJ, Jones B, Stonehouse W. Predictors and risks of body fat profiles in young New Zealand European, Māori and Pacific women: study protocol for the women's EXPLORE study. SPRINGERPLUS 2015; 4:128. [PMID: 25825686 PMCID: PMC4372618 DOI: 10.1186/s40064-015-0916-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Accepted: 03/03/2015] [Indexed: 02/02/2023]
Abstract
BACKGROUND Body mass index (BMI) (kg/m(2)) is used internationally to assess body mass or adiposity. However, BMI does not discriminate body fat content or distribution and may vary among ethnicities. Many women with normal BMI are considered healthy, but may have an unidentified "hidden fat" profile associated with higher metabolic disease risk. If only BMI is used to indicate healthy body size, it may fail to predict underlying risks of diseases of lifestyle among population subgroups with normal BMI and different adiposity levels or distributions. Higher body fat levels are often attributed to excessive dietary intake and/or inadequate physical activity. These environmental influences regulate genes and proteins that alter energy expenditure/storage. Micro ribonucleic acid (miRNAs) can influence these genes and proteins, are sensitive to diet and exercise and may influence the varied metabolic responses observed between individuals. The study aims are to investigate associations between different body fat profiles and metabolic disease risk; dietary and physical activity patterns as predictors of body fat profiles; and whether these risk factors are associated with the expression of microRNAs related to energy expenditure or fat storage in young New Zealand women. Given the rising prevalence of obesity globally, this research will address a unique gap of knowledge in obesity research. METHODS/DESIGN A cross-sectional design to investigate 675 NZ European, Māori, and Pacific women aged 16-45 years. Women are classified into three main body fat profiles (n = 225 per ethnicity; n = 75 per body fat profile): 1) normal BMI, normal body fat percentage (BF%); 2) normal BMI, high BF%; 3) high BMI, high BF%. Regional body composition, biomarkers of metabolic disease risk (i.e. fasting insulin, glucose, HbA1c, lipids), inflammation (i.e. IL-6, TNF-alpha, hs-CRP), associations between lifestyle factors (i.e. dietary intake, physical activity, taste perceptions) and microRNA expression will be investigated. DISCUSSION This research targets post-menarcheal, premenopausal women, potentially exhibiting lifestyle behaviours resulting in excess body fat affecting metabolic health. These behaviours may be characterised by specific patterns of microRNA expression that will be explored in terms of tailored solutions specific to body fat profile groups and ethnicities. TRIAL REGISTRATION ACTRN12613000714785.
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Affiliation(s)
- Rozanne Kruger
- />School of Food and Nutrition, Massey University, Auckland, New Zealand
| | - Sarah P Shultz
- />School of Sport and Exercise, Massey University, Wellington, New Zealand
| | - Sarah A McNaughton
- />Centre for Physical Activity and Nutrition Research, School of Exercise and Nutrition Sciences, Deakin University, Melbourne, Australia
| | - Aaron P Russell
- />Centre for Physical Activity and Nutrition Research, School of Exercise and Nutrition Sciences, Deakin University, Melbourne, Australia
| | - Ridvan T Firestone
- />Centre for Public Health Research, Massey University, Wellington, New Zealand
| | - Lily George
- />Office of Assistant Vice Chancellor Māori, Pacific & New Migrants, Massey University, Auckland, New Zealand
| | - Kathryn L Beck
- />School of Food and Nutrition, Massey University, Auckland, New Zealand
| | - Cathryn A Conlon
- />School of Food and Nutrition, Massey University, Auckland, New Zealand
| | - Pamela R von Hurst
- />School of Food and Nutrition, Massey University, Auckland, New Zealand
| | - Bernhard Breier
- />School of Food and Nutrition, Massey University, Auckland, New Zealand
| | | | - Wendy J O’Brien
- />School of Food and Nutrition, Massey University, Auckland, New Zealand
| | - Beatrix Jones
- />Institute of Information and Mathematical Sciences, Massey University, Auckland, New Zealand
| | - Welma Stonehouse
- />School of Food and Nutrition, Massey University, Auckland, New Zealand
- />Commonwealth Scientific and Industrial Research Organisation, Food and Nutrition Flagship, Adelaide, Australia
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Fischer ME, Cruickshanks KJ, Pankow JS, Pankratz N, Schubert CR, Huang GH, Klein BEK, Klein R, Pinto A. The associations between 6-n-propylthiouracil (PROP) intensity and taste intensities differ by TAS2R38 haplotype. JOURNAL OF NUTRIGENETICS AND NUTRIGENOMICS 2015; 7:143-52. [PMID: 25634331 DOI: 10.1159/000371552] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2014] [Accepted: 12/12/2014] [Indexed: 11/19/2022]
Abstract
BACKGROUND/AIMS The influence of TAS2R38 haplotype on the relationship between the perceived intensity of propylthiouracil (PROP) and the basic tastes of salt, sweet, sour, and bitter (quinine) was evaluated in the Beaver Dam Offspring Study. METHODS Genotyping was performed on 1,670 participants aged ≥45 years (mean age = 54.4; range = 45-84), and suprathreshold taste intensity was measured using filter paper disks and a general labeled magnitude scale (0-100). RESULTS Among those with taste intensity data and the PAV or AVI haplotype (n = 1,258), the mean perceived intensity of PROP was 37.3 (SD = 30.0), but it varied significantly (p < 0.0001) by diplotype (PAV/PAV = 60.1; PAV/AVI = 46.5; AVI/AVI = 14.4). PROP intensity was correlated with the basic taste intensities (salt: r = 0.22; sweet: r = 0.25; sour: r = 0.21; quinine bitterness: r = 0.38; p < 0.001 for all tastes); however, a significant effect modification of the PROP-taste intensity relationships by TAS2R38 diplotype was observed. There was a stronger association between PROP and each of the basic tastes in the PAV/PAV diplotype group than in the other groups. CONCLUSIONS Directly measuring the perceived intensity of the 4 tastes, rather than using PROP intensity as an indicator of taste responsiveness, is recommended for studies of taste perception.
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Affiliation(s)
- Mary E Fischer
- Departments of Ophthalmology and Visual Sciences, University of Wisconsin, Madison, Wis., USA
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45
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Torregrossa AM, Loney GC, Smith JC, Eckel LA. Examination of the perception of sweet- and bitter-like taste qualities in sucralose preferring and avoiding rats. Physiol Behav 2014; 140:96-103. [PMID: 25497078 DOI: 10.1016/j.physbeh.2014.12.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Revised: 12/05/2014] [Accepted: 12/08/2014] [Indexed: 01/12/2023]
Abstract
Sucralose avoiding rats detect a bitter-like taste quality in concentrations of sucralose that are strongly preferred over water by sucralose preferring rats. Here, we investigated whether sucralose preferrers (SP) also detect a bitter-like quality in sucralose that may be masked by an increased perception of sucralose's sweet-like quality. A microstructural analysis of sucralose intake revealed that, at concentrations they avoided in preference tests, sucralose avoiders (SA) consumed smaller and fewer bouts of sucralose than SP. Interestingly, the concentration-dependent increase in sucralose preference in SP was not associated with larger bouts or increased lick rate, two measures that are expected to increase with increasing perceived sweetness. This suggests that SP can detect an aversive quality in sucralose, but this perception of a presumably bitter-like quality may be masked by increased salience of a sweet-like quality that sustains high levels of intake in SP. Further evidence for increased sweet-taste perception in SP, relative to SA, was obtained in a second study in which SP consumed more of a palatable sweet-milk diet than SA. These are the first data to suggest that SP are not blind to the bitter-like quality in sucralose, and that there may be differences in sweet-taste perception between SP and SA.
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Affiliation(s)
- A-M Torregrossa
- Department of Psychology, Program in Neuroscience, Florida State University, Tallahassee, FL 32306, USA.
| | - G C Loney
- Department of Psychology, Program in Neuroscience, Florida State University, Tallahassee, FL 32306, USA
| | - J C Smith
- Department of Psychology, Program in Neuroscience, Florida State University, Tallahassee, FL 32306, USA
| | - L A Eckel
- Department of Psychology, Program in Neuroscience, Florida State University, Tallahassee, FL 32306, USA
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46
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Phenotypic variation in oronasal perception and the relative effects of PROP and Thermal Taster Status. Food Qual Prefer 2014. [DOI: 10.1016/j.foodqual.2014.05.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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47
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Lapis TJ, Penner MH, Lim J. Evidence that Humans Can Taste Glucose Polymers. Chem Senses 2014; 39:737-47. [DOI: 10.1093/chemse/bju031] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
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48
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Low YQ, Lacy K, Keast R. The role of sweet taste in satiation and satiety. Nutrients 2014; 6:3431-50. [PMID: 25184369 PMCID: PMC4179169 DOI: 10.3390/nu6093431] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Revised: 08/04/2014] [Accepted: 08/19/2014] [Indexed: 01/21/2023] Open
Abstract
Increased energy consumption, especially increased consumption of sweet energy-dense food, is thought to be one of the main contributors to the escalating rates in overweight individuals and obesity globally. The individual’s ability to detect or sense sweetness in the oral cavity is thought to be one of many factors influencing food acceptance, and therefore, taste may play an essential role in modulating food acceptance and/or energy intake. Emerging evidence now suggests that the sweet taste signaling mechanisms identified in the oral cavity also operate in the gastrointestinal system and may influence the development of satiety. Understanding the individual differences in detecting sweetness in both the oral and gastrointestinal system towards both caloric sugar and high intensity sweetener and the functional role of the sweet taste system may be important in understanding the reasons for excess energy intake. This review will summarize evidence of possible associations between the sweet taste mechanisms within the oral cavity, gastrointestinal tract and the brain systems towards both caloric sugar and high intensity sweetener and sweet taste function, which may influence satiation, satiety and, perhaps, predisposition to being overweight and obesity.
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Affiliation(s)
- Yu Qing Low
- Centre for Physical Activity and Nutrition Research, School of Exercise and Nutrition Sciences, Deakin University, Burwood, Victoria 3125, Australia.
| | - Kathleen Lacy
- Centre for Physical Activity and Nutrition Research, School of Exercise and Nutrition Sciences, Deakin University, Burwood, Victoria 3125, Australia.
| | - Russell Keast
- Centre for Physical Activity and Nutrition Research, School of Exercise and Nutrition Sciences, Deakin University, Burwood, Victoria 3125, Australia.
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Fischer ME, Cruickshanks KJ, Schubert CR, Pinto A, Huang GH, Klein BEK, Klein R, Pankow JS. The association of taste with change in adiposity-related health measures. J Acad Nutr Diet 2014; 114:1195-202. [PMID: 24882206 DOI: 10.1016/j.jand.2014.04.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Accepted: 04/10/2014] [Indexed: 02/05/2023]
Abstract
The relationship between taste-intensity patterns and 5-year change in adiposity-related health measures was determined. Participants were members of the Beaver Dam Offspring Study, a study of the adult children of participants in the population-based Epidemiology of Hearing Loss Study. There were 1,918 participants (mean baseline age=48.8 years; range=22 to 84 years) with baseline taste (2005 to 2008) and follow-up (2010 to 2013) data. Outcomes included 5-year change in body mass index, waist circumference, blood pressure, non-high-density lipoprotein cholesterol, and glycosylated hemoglobin A1c, and hedonic ratings of specific foods. Cluster analysis with Ward's minimum variance method identified the following 5 patterns of the suprathreshold taste intensities of salt, sweet, sour, and bitter: salt and sweet intensities slightly above population averages, average sour and bitter intensities; salt, sour, and bitter intensities above population average, average sweet intensity; salt, sour, and bitter intensities above population average, sweet intensity substantially above average; all intensities below population averages; and all intensities close to population average. The General Linear Model procedure was used for testing cluster differences in the outcomes. With covariate adjustment, the group with all intensities close to population averages had a significantly lower average increase in body mass index compared with the group with above-average intensities for salt, sour, and bitter (+0.4 vs +0.9), and in glycosylated hemoglobin A1c compared with the group with above-average intensities for all tastes (+0.20% vs +0.34%). Clusters differed in the hedonics of foods representing sweetness and saltiness. The study's findings provide evidence that perceived taste intensity might be related to changes in adiposity-related health.
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Garneau NL, Nuessle TM, Sloan MM, Santorico SA, Coughlin BC, Hayes JE. Crowdsourcing taste research: genetic and phenotypic predictors of bitter taste perception as a model. Front Integr Neurosci 2014; 8:33. [PMID: 24904324 PMCID: PMC4035552 DOI: 10.3389/fnint.2014.00033] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Accepted: 04/07/2014] [Indexed: 01/09/2023] Open
Abstract
Understanding the influence of taste perception on food choice has captured the interest of academics, industry, and the general public, the latter as evidenced by the extent of popular media coverage and use of the term supertaster. Supertasters are highly sensitive to the bitter tastant propylthiouracil (PROP) and its chemical relative phenylthiocarbamide. The well-researched differences in taste sensitivity to these bitter chemicals are partially controlled by variation in the TAS2R38 gene; however, this variation alone does not explain the supertaster phenomenon. It has been suggested that density of papillae, which house taste buds, may explain supertasting. To address the unresolved role of papillae, we used crowdsourcing in the museum-based Genetics of Taste Lab. This community lab is uniquely situated to attract both a large population of human subjects and host a team of citizen scientists to research population-based questions about human genetics, taste, and health. Using this model, we find that PROP bitterness is not in any way predicted by papillae density. This result holds within the whole sample, when divided into major diplotypes, and when correcting for age, sex, and genotype. Furthermore, it holds when dividing participants into oft-used taster status groups. These data argue against the use of papillae density in predicting taste sensitivity and caution against imprecise use of the term supertaster. Furthermore, it supports a growing volume of evidence that sets the stage for hypergeusia, a reconceptualization of heightened oral sensitivity that is not based solely on PROP or papillae density. Finally, our model demonstrates how community-based research can serve as a unique venue for both study participation and citizen science that makes scientific research accessible and relevant to people’s everyday lives.
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Affiliation(s)
- Nicole L Garneau
- Genetics of Taste Lab, Department of Health Sciences, Denver Museum of Nature and Science Denver, CO, USA
| | - Tiffany M Nuessle
- Genetics of Taste Lab, Department of Health Sciences, Denver Museum of Nature and Science Denver, CO, USA
| | - Meghan M Sloan
- Genetics of Taste Lab, Department of Health Sciences, Denver Museum of Nature and Science Denver, CO, USA
| | - Stephanie A Santorico
- Department of Mathematical and Statistical Sciences, University of Colorado Denver Denver, CO, USA
| | - Bridget C Coughlin
- Genetics of Taste Lab, Department of Health Sciences, Denver Museum of Nature and Science Denver, CO, USA
| | - John E Hayes
- Sensory Evaluation Center, Pennsylvania State University, University Park PA, USA ; Department of Food Science, College of Agricultural Sciences, Pennsylvania State University University Park, PA, USA
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