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Behrens M. The Growing Complexity of Human Bitter Taste Perception. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:14530-14534. [PMID: 38914424 PMCID: PMC11228980 DOI: 10.1021/acs.jafc.4c02465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 06/13/2024] [Accepted: 06/13/2024] [Indexed: 06/26/2024]
Abstract
Human bitter perception is important for the identification of potentially harmful substances in food. For quite some years, research focused on the identification of activators for ∼25 human bitter taste receptors. The discovery of antagonists as well as increasing knowledge about agonists of different efficacies has substantially added to the intricacy of bitter taste perception. This article seeks to raise awareness for an underestimated new level of complexity when compound mixtures or even whole food items are assessed for their bitter taste.
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Affiliation(s)
- Maik Behrens
- Leibniz Institute for Food
Systems Reception, Technical University
of Munich, 85354 Freising, Germany
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2
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Rinaldi A, Bifulco G, Luciano A, Picariello L, Moio L, Marrone R, Campanile G, Gambuti A. Exploring cheese and red wine pairing by an in vitro simulation of tasting. Curr Res Food Sci 2024; 9:100792. [PMID: 39005498 PMCID: PMC11245939 DOI: 10.1016/j.crfs.2024.100792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 06/04/2024] [Accepted: 06/15/2024] [Indexed: 07/16/2024] Open
Abstract
The cheese wine pairing is a beloved combination subject to a certain subjectivity due to sensorial, psychological, chemical, and cultural factors. This work represents a first attempt to explore the in vitro interactions between cheese, wine, and saliva to objectively measure the pairing. Two experimental red wines obtained from the same grape cultivar and four different cheeses were studied for their composition. Binding reactions between wine and cheese were carried out in three simulated tasting trials and, after precipitation, the wine phenolic content, Saliva Precipitation Index (SPI), and total proteins were evaluated. The optimal pairing (OP) was calculated considering the decrease in salivary and cheese proteins by wine, defined as the cleansing effect; the decrease in astringency due to the cheese, measured by the SPI, and the coating fat which would remain in mouth after eating a piece of cheese. Based on obtained results, the semi-hard cheese was identified as the best pairing option for the two experimental red wines. The differences in the phenolic content between the two wines were instead not enough to show a significant influence on the OP. The in vitro cheese wine pairing can contribute to understanding of wine tasting but it is only a part of the puzzle. However, this first contribution paves the way for additional studies on the molecular and chemical interactions involved in aroma and textural perception in simulated trials.
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Affiliation(s)
- Alessandra Rinaldi
- Department of Agricultural Sciences, Section of Vine and Wine Sciences, University of Napoli Federico II, Viale Italia, Avellino 83100, Italy
- Better Sensing, TERINOV, Parque de Ciência e Tecnologia da Ilha Terceira, 9700-702, Terra Chã, Angra do Heroísmo, Azores, Portugal
- Fondazione Italiana per gli Studi sul Vino (FISSV) Avellino, Italy
| | - Giovanna Bifulco
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, 80137, Naples, Italy
| | - Alessandra Luciano
- Department of Agricultural Sciences, Section of Vine and Wine Sciences, University of Napoli Federico II, Viale Italia, Avellino 83100, Italy
| | - Luigi Picariello
- Department of Agricultural Sciences, Section of Vine and Wine Sciences, University of Napoli Federico II, Viale Italia, Avellino 83100, Italy
| | - Luigi Moio
- Department of Agricultural Sciences, Section of Vine and Wine Sciences, University of Napoli Federico II, Viale Italia, Avellino 83100, Italy
| | - Raffaele Marrone
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, 80137, Naples, Italy
| | - Giuseppe Campanile
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, 80137, Naples, Italy
| | - Angelita Gambuti
- Department of Agricultural Sciences, Section of Vine and Wine Sciences, University of Napoli Federico II, Viale Italia, Avellino 83100, Italy
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Nguyen H, Lin C, Bell K, Huang A, Hannum M, Ramirez V, Christensen C, Rawson NE, Colquitt L, Domanico P, Sasimovich I, Herriman R, Joseph P, Braimah O, Reed DR. Worldwide study of the taste of bitter medicines and their modifiers. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.24.590957. [PMID: 38712219 PMCID: PMC11071635 DOI: 10.1101/2024.04.24.590957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
The bitter taste of medicines hinders patient compliance, but not everyone experiences these difficulties because people worldwide differ in their bitterness perception. To better understand how people from diverse ancestries perceive medicines and taste modifiers, 338 adults, European and recent US and Canada immigrants from Asia, South Asia, and Africa, rated the bitterness intensity of taste solutions on a 100-point generalized visual analog scale and provided a saliva sample for genotyping. The taste solutions were five medicines, tenofovir alafenamide (TAF), moxifloxacin, praziquantel, amodiaquine, and propylthiouracil (PROP), and four other solutions, TAF mixed with sucralose (sweet, reduces bitterness) or 6-methylflavone (tasteless, reduces bitterness), sucralose alone, and sodium chloride alone. Bitterness ratings differed by ancestry for two of the five drugs (amodiaquine and PROP) and for TAF mixed with sucralose. Genetic analysis showed that people with variants in one bitter receptor variant gene (TAS2R38) reported PROP was more bitter than did those with a different variant (p= 7.6e-19) and that people with either an RIMS2 or a THSD4 genotype found sucralose more bitter than did others (p=2.6e-8, p=7.9e-11, resp.). Our findings may help guide the formulation of bad-tasting medicines to meet the needs of those most sensitive to them.
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Affiliation(s)
- Ha Nguyen
- Monell Chemical Senses Center, Philadelphia PA, USA
| | - Cailu Lin
- Monell Chemical Senses Center, Philadelphia PA, USA
| | | | - Amy Huang
- Monell Chemical Senses Center, Philadelphia PA, USA
| | | | | | | | | | | | | | | | | | - Paule Joseph
- National Institute of Alcohol Abuse and Alcoholism & National Institute of Nursing Research, Bethesda MD, USA
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Schertel Cassiano L, Leite FRM, Alves-Costa S, Costa SA, Nascimento GG. Oral conditions are associated with salt taste disability among American adults. Oral Dis 2024. [PMID: 38566452 DOI: 10.1111/odi.14926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 10/30/2023] [Accepted: 03/05/2024] [Indexed: 04/04/2024]
Abstract
AIM To explore the association between oral conditions and their interaction with salt taste disability among American adults. METHODS Data from the 2013-2014 NHANES cycle were used (n = 2373). The exposures were periodontitis, defined by the 2017 EFP-AAP classification, dental caries, missing teeth, and edentulism, as per the DMF-T index, and xerostomia. The outcome was salt taste disability, objectively assessed. Covariates included sex, age, educational level, poverty index, obesity, diabetes, smoking, alcohol consumption, and medications related to mouth dryness. Weighted multivariable logistic regression modeling was used to evaluate the relationship between oral conditions and their interaction and salt taste disability. RESULTS Participants who reported xerostomia were more likely to have salt taste disability (OR 2.42; 95%CI 1.44-4.07), especially those older than 60 years (OR 3.63; 95%CI 1.72-7.63). Among participants aged 40-59, xerostomia increased the chance of salt taste disability; however, the confidence interval included the null value. The interactions between xerostomia and edentulism increased the chance of salt taste disability. CONCLUSION Oral conditions seem to influence the ability to taste salt. Dental professionals may help identify individuals with taste alterations and raise their awareness of the risk of systemic diseases that require the reduction of salt intake.
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Affiliation(s)
| | - Fábio R M Leite
- National Dental Research Institute Singapore, National Dental Centre Singapore, Singapore, Singapore
- Oral Health Academic Clinical Programme, Duke-NUS Medical School, Singapore, Singapore
| | - Silas Alves-Costa
- Graduate Program in Dentistry, Federal University of Maranhão, São Luís, Brazil
| | | | - Gustavo G Nascimento
- National Dental Research Institute Singapore, National Dental Centre Singapore, Singapore, Singapore
- Oral Health Academic Clinical Programme, Duke-NUS Medical School, Singapore, Singapore
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Bedaque HDP, Andrade Filho EKRD, Rabelo CDO, Moura JEN, Moura KL, Diniz Junior J, Guimarães MLNMES. Olfactory Dysfunction in Adults from Rio Grande do Norte: A Cross-Sectional Study. Int Arch Otorhinolaryngol 2024; 28:e326-e331. [PMID: 38618584 PMCID: PMC11008930 DOI: 10.1055/s-0043-1777448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 10/15/2023] [Indexed: 04/16/2024] Open
Abstract
Introduction Smell is one of the senses of the human body, and it can be affected by several factors, such as viral infections, traumatic brain injury, iatrogenesis, smoking, and neurodegenerative and systemic diseases. Objectives The main goal of the present study is to describe the epidemiology of olfactory disorders in Rio Grande do Norte (RN). More specifically, to determine the prevalence of olfactory dysfunction and to identify the main risk factors related to these dysfunctions in the state's population. Methods A total of 180 volunteers living in the RN underwent the Connecticut Clinical Research Center (CCCRC) smell test and a clinical and demographic questionnaire. Results A total of 58.89% of the patients presented normosmia and 87.78% were classified as having between normal and mild hyposmia. A statistically significant relationship was found between worse performance in the test and nasal surgery ( p = 0.041) and the subjective feeling of not having an accurate sense of smell ( p = 0.006 on the right nostril). There was no statistical relationship between the olfactory status and the report of coronavirus disease 2019 (COVID-19) infection ( p = 0.254). Conclusion The occurrence of altered sense of smell in our study was different from that reported in other studies that used the same test. The relationship with COVID-19 was not clear.
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Affiliation(s)
- Henrique de Paula Bedaque
- Department of Surgery, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | | | - Caio de Oliveira Rabelo
- Health Sciences Center, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | | | - Kelvin Leite Moura
- Department of Surgery, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - José Diniz Junior
- Department of Surgery, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
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Ervina E, Berget I, Skeie SB, L. Almli V. Basic taste sensitivity, eating behaviour, food propensity and BMI of preadolescent children: How are they related? OPEN RESEARCH EUROPE 2024; 1:127. [PMID: 38433733 PMCID: PMC10904958 DOI: 10.12688/openreseurope.14117.3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 01/15/2024] [Indexed: 03/05/2024]
Abstract
Background Taste sensitivity has been reported to influence children's eating behaviour and contribute to their food preferences and intake. This study aimed to investigate the associations between taste sensitivity, eating behaviour, food frequency and BMI (Body Mass Index) in preadolescents. Methods Preadolescents' taste sensitivity was measured by detection threshold of sweetness (sucrose), sourness (citric acid), saltiness (sodium chloride), bitterness (caffeine, quinine), and umami (monosodium glutamate). In addition, the Child Eating Behaviour Questionnaire (CEBQ), the Food Propensity Questionnaire (FPQ) measuring food frequency, and the children's body weight and height were completed by the parents. A total of 69 child-parent dyads participated (preadolescents mean age =10.9 years). Results Taste sensitivity to caffeine bitterness was significantly associated with eating behaviour in food responsiveness, emotional overeating, and desire to drink. The preadolescents who were less sensitive to caffeine bitterness had higher food responsiveness scores. Those who were less sensitive to caffeine bitterness and to sweetness had higher emotional overeating scores. In addition, preadolescents who were less sensitive to sourness and bitterness of both caffeine and quinine demonstrated to have higher scores in desire to drink. There was no association between taste sensitivity and FPQ, but significant differences were observed across preadolescents' BMI for FPQ of dairy food items, indicating higher consumption of low-fat milk in the overweight/obese compared to the underweight/normal-weight subjects. There was no significant difference in taste sensitivity according to BMI. Preadolescents' eating behaviour differed across BMI, demonstrating a positive association between BMI and food approach, and a negative association between BMI and food avoidance. Conclusions This study contributes to the preliminary understanding of the relationships between taste sensitivity and eating behaviour in preadolescents. The results may be used to develop effective strategies to promote healthy eating practices by considering taste sensitivity in preadolescents.
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Affiliation(s)
- Ervina Ervina
- Department of Sensory and Consumer Sciences, Nofima, Norwegian Institute of Food, Fisheries and Aquaculture Research, Ås, 1430, Norway
- Department of Chemistry, Biotechnology and Food Science (KBM), The Norwegian University of Life Science, Ås, 1433, Norway
- Food Technology Department, Faculty of Engineering, Bina Nusantara University, Jakarta, 11480, Indonesia
| | - Ingunn Berget
- Department of Raw Materials and Process Optimization, Nofima, Norwegian Institute of Food, Fisheries and Aquaculture Research, Ås, 1430, Norway
| | - Siv Borghild Skeie
- Department of Chemistry, Biotechnology and Food Science (KBM), The Norwegian University of Life Science, Ås, 1433, Norway
| | - Valérie L. Almli
- Department of Sensory and Consumer Sciences, Nofima, Norwegian Institute of Food, Fisheries and Aquaculture Research, Ås, 1430, Norway
- Department of Chemistry, Biotechnology and Food Science (KBM), The Norwegian University of Life Science, Ås, 1433, Norway
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7
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Grădinaru TC, Vlad A, Gilca M. Bitter Phytochemicals as Novel Candidates for Skin Disease Treatment. Curr Issues Mol Biol 2023; 46:299-326. [PMID: 38248322 PMCID: PMC10814078 DOI: 10.3390/cimb46010020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/21/2023] [Accepted: 12/26/2023] [Indexed: 01/23/2024] Open
Abstract
Skin diseases represent a global healthcare challenge due to their rising incidence and substantial socio-economic burden. While biological, immunological, and targeted therapies have brought a revolution in improving quality of life and survival rates for certain dermatological conditions, there remains a stringent demand for new remedies. Nature has long served as an inspiration for drug development. Recent studies have identified bitter taste receptors (TAS2Rs) in both skin cell lines and human skin. Additionally, bitter natural compounds have shown promising benefits in addressing skin aging, wound healing, inflammatory skin conditions, and even skin cancer. Thus, TAS2Rs may represent a promising target in all these processes. In this review, we summarize evidence supporting the presence of TAS2Rs in the skin and emphasize their potential as drug targets for addressing skin aging, wound healing, inflammatory skin conditions, and skin carcinogenesis. To our knowledge, this is a pioneering work in connecting information on TAS2Rs expression in skin and skin cells with the impact of bitter phytochemicals on various beneficial effects related to skin disorders.
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Affiliation(s)
- Teodora-Cristiana Grădinaru
- Department of Functional Sciences I/Biochemistry, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania; (T.-C.G.); (M.G.)
| | - Adelina Vlad
- Department of Functional Sciences I/Physiology, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Marilena Gilca
- Department of Functional Sciences I/Biochemistry, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania; (T.-C.G.); (M.G.)
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8
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Novaleski CK, Doty RL, Nolden AA, Wise PM, Mainland JD, Dalton PH. Examining the Influence of Chemosensation on Laryngeal Health and Disorders. J Voice 2023; 37:234-244. [PMID: 33455853 PMCID: PMC8277875 DOI: 10.1016/j.jvoice.2020.12.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 12/19/2020] [Accepted: 12/21/2020] [Indexed: 02/06/2023]
Abstract
Inhaled airborne stimuli are associated with laryngeal disorders affecting respiration. Clinically, several themes emerged from the literature that point to specific gaps in the understanding and management of these disorders. There is wide variation in the types of airborne stimuli that trigger symptoms, lack of standardization in provocation challenge testing using airborne stimuli, and vague reporting of laryngeal symptoms. Scientifically, evidence exists outside the field of voice science that could prove useful to implement among patients with impaired laryngeal-respiration. To expand this area of expertise, here we provide a thematic overview of relevant evidence and methodological tools from the discipline of chemosensory sciences. This review provides distinctions across the three chemosensory systems of olfaction, trigeminal chemesthesis, and gustation, guidance on selecting and delivering common chemosensory stimuli for clinical testing, and methods of quantifying sensory experiences using principles of human psychophysics. Investigating the science of chemosensation reveals that laryngeal responses to inhaled airborne stimuli have explanations involving physiological mechanisms as well as higher cognitive processing. Fortunately, these findings are consistent with current pharmacological and nonpharmacological interventions for impaired laryngeal-respiration. Based on the close relationships among inhaled airborne stimuli, respiration, and laryngeal function, we propose that new perspectives from chemosensory sciences offer opportunities to improve patient care and target areas of future research.
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Affiliation(s)
- Carolyn K Novaleski
- Monell Chemical Senses Center, Philadelphia, Pennsylvania; Department of Communicative Sciences and Disorders, Michigan State University, East Lansing, Michigan; Department of Neurology, Mayo Clinic, Rochester, Minnesota.
| | - Richard L Doty
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - Alissa A Nolden
- Department of Food Science, University of Massachusetts-Amherst, Amherst, Massachusetts
| | - Paul M Wise
- Monell Chemical Senses Center, Philadelphia, Pennsylvania
| | - Joel D Mainland
- Monell Chemical Senses Center, Philadelphia, Pennsylvania; Department of Neuroscience, University of Pennsylvania, Philadelphia, Pennsylvania
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Wooding SP, Ramirez VA. Global population genetics and diversity in the TAS2R bitter taste receptor family. Front Genet 2022; 13:952299. [PMID: 36303543 PMCID: PMC9592824 DOI: 10.3389/fgene.2022.952299] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 08/25/2022] [Indexed: 12/03/2022] Open
Abstract
Bitter taste receptors (TAS2Rs) are noted for their role in perception, and mounting evidence suggests that they mediate responses to compounds entering airways, gut, and other tissues. The importance of these roles suggests that TAS2Rs have been under pressure from natural selection. To determine the extent of variation in TAS2Rs on a global scale and its implications for human evolution and behavior, we analyzed patterns of diversity in the complete 25 gene repertoire of human TAS2Rs in ∼2,500 subjects representing worldwide populations. Across the TAS2R family as a whole, we observed 721 single nucleotide polymorphisms (SNPs) including 494 nonsynonymous SNPs along with 40 indels and gained and lost start and stop codons. In addition, computational predictions identified 169 variants particularly likely to affect receptor function, making them candidate sources of phenotypic variation. Diversity levels ranged widely among loci, with the number of segregating sites ranging from 17 to 41 with a mean of 32 among genes and per nucleotide heterozygosity (π) ranging from 0.02% to 0.36% with a mean of 0.12%. FST ranged from 0.01 to 0.26 with a mean of 0.13, pointing to modest differentiation among populations. Comparisons of observed π and FST values with their genome wide distributions revealed that most fell between the 5th and 95th percentiles and were thus consistent with expectations. Further, tests for natural selection using Tajima’s D statistic revealed only two loci departing from expectations given D’s genome wide distribution. These patterns are consistent with an overall relaxation of selective pressure on TAS2Rs in the course of recent human evolution.
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Affiliation(s)
- Stephen P. Wooding
- Department of Anthropology, University of California, Merced, Merced, CA, United States
- *Correspondence: Stephen P. Wooding,
| | - Vicente A. Ramirez
- Department of Public Health, University of California, Merced, Merced, CA, United States
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Spence C. Odour hedonics and the ubiquitous appeal of vanilla. NATURE FOOD 2022; 3:837-846. [PMID: 37117893 DOI: 10.1038/s43016-022-00611-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 09/06/2022] [Indexed: 04/30/2023]
Abstract
Our food choices and consumption behaviours are often influenced by odour hedonics, especially in the case of those orthonasally experienced aromas (that is, those odours that are food-related). The origins of odour hedonics remain one of the most intriguing puzzles in olfactory science and, over the years, several fundamentally different accounts have been put forwards to try and explain the varying hedonic responses that people have to a wide range of odorants. Associative learning, innate and molecular accounts of odour pleasantness have all been suggested. Here the origins of the hedonic response to vanilla, which is one of the most liked smells cross-culturally, are explored. The history of vanilla's use in food and medicine is outlined, with a focus on its neurocognitive appeal. While vanilla is one of the most widely liked aromas, it is also rated as smelling sweet to most people. Food scientists are becoming increasingly interested in the possibility that such 'sweet smells' could be used to help maintain the sweetness of commercial food products while, at the same time, reducing the use of calorific sweeteners. Such an approach is likely to be facilitated by the low cost of artificial vanilla flavouring (when compared with the high and fluctuating price of natural vanilla pods).
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Affiliation(s)
- Charles Spence
- Crossmodal Research Laboratory, Oxford University, Oxford, UK.
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11
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Boor M, Raber-Durlacher JE, Hazenberg MD, Rozema FR, Laheij AMGA. Taste and smell disturbances in patients with chronic oral graft vs. host disease: An observational study. FRONTIERS IN ORAL HEALTH 2022; 3:934607. [PMID: 36160117 PMCID: PMC9500145 DOI: 10.3389/froh.2022.934607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 07/21/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundA common complication of allogeneic hematopoietic stem cell transplantation (alloHSCT) is chronic oral graft vs. host disease (cGvHD). Oral cGvHD may present as mucosal lesions, salivary gland dysfunction, and trismus. Moreover, taste and smell ability may be affected, but the prevalence, nature and severity of altered taste and smell function, and their impact on quality of life (QoL) are understudied.AimTo identify the prevalence, nature, and severity of taste and smell disturbances, their impact on QoL and to assess whether altered taste/smell ability is associated with oral mucosal cGvHD or hyposalivation.Materials and methodsAlloHSCT recipients at least 100 days post-HSCT and referred for oral cGvHD-related oral complaints were eligible for participation in this cross-sectional study. Manifestations of oral mucosal cGvHD were scored, the (un)stimulated salivary flow was measured, and objective taste and smell ability was evaluated. Subjective taste and smell alterations, and overall and oral health (OH)-related QoL were assessed.ResultsIn total, 45 patients were included, of which objective reduced taste ability (hypogeusia) was identified in 68.9%; 28.9% had reduced smell ability and 11.1% had complete loss of smell. Nevertheless, only 31.1% of patients reported severe taste alterations and 22% reported moderate taste alterations indicating that not all the patients were aware of their altered taste sense. Taste/smell disturbances were not related to oral mucosal cGvHD or hyposalivation. Most alloHSCT recipients reported a decreased OH-related QoL. However, a relation between taste/smell ability and global or OH-related QoL could not be identified.ConclusionTaste and smell disturbances are prevalent among alloHSCT recipients. Most patients reported a decreased OH-related QoL, but the specific impact of taste and smell disturbances remains to be elucidated.
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Affiliation(s)
- Marlou Boor
- Department of Oral Medicine, Academic Centre for Dentistry (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, Netherlands
- *Correspondence: Marlou Boor
| | - Judith E. Raber-Durlacher
- Department of Oral Medicine, Academic Centre for Dentistry (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, Netherlands
- Department of Oral Maxillofacial Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Mette D. Hazenberg
- Department of Hematology Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Frederik R. Rozema
- Department of Oral Medicine, Academic Centre for Dentistry (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, Netherlands
- Department of Oral Maxillofacial Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | - Alexa M. G. A. Laheij
- Department of Oral Medicine, Academic Centre for Dentistry (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, Netherlands
- Department of Oral Maxillofacial Surgery, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
- Department of Preventive Dentistry, Academic Centre for Dentistry (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, Netherlands
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12
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Chen N, Watanabe K, Kobayakawa T, Wada M. Relationships between autistic traits, taste preference, taste perception, and eating behaviour. EUROPEAN EATING DISORDERS REVIEW 2022; 30:628-640. [PMID: 35690923 PMCID: PMC9545735 DOI: 10.1002/erv.2931] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/13/2022] [Accepted: 05/28/2022] [Indexed: 11/23/2022]
Abstract
Individuals with autism spectrum disorder exhibit atypical taste perception and eating behaviours. However, little is known about the effect of autistic traits on eating behaviours in the general population. This study explored the relationships between autistic traits, taste preferences, taste perceptions, and eating behaviours among Japanese population using an online questionnaire survey. The results showed significant effect of autistic traits on eating behaviours, that people with higher autistic traits tended to have higher selective eating behaviours, such as increased sensitivity to food texture and mixed flavours. Moreover, selective eating behaviours were correlated with the preference for sour taste and aftertaste sensitivity. Those results suggest that eating behaviours can be influenced by the relationship between autistic traits, taste perceptions, and taste preferences. We discuss these results in the context of previous findings, and future investigations into the possibility of solving selective eating problems in individuals with autism. Autistic traits were significantly correlated with eating behaviours. People with higher autistic traits tended to have higher selective eating behaviours, such as increased sensitivity to food texture and mixed flavours. People who like sour tastes tended to have less selective eating behaviours. People who are sensitive to aftertaste perception tended to have greater selective eating behaviours. Autistic traits, taste perceptions, and taste preferences play a role in the development of a number of selective eating behaviours.
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Affiliation(s)
- Na Chen
- Department of Rehabilitation for Brain Functions, Research Institute of National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Japan
| | - Katsumi Watanabe
- Faculty of Science and Engineering, Waseda University, Tokyo, Japan
| | - Tatsu Kobayakawa
- Human Informatics and Interaction Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
| | - Makoto Wada
- Department of Rehabilitation for Brain Functions, Research Institute of National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Japan
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13
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Cross-modal correspondence between visual information and taste perception of bitter foods and drinks. Food Qual Prefer 2022. [DOI: 10.1016/j.foodqual.2022.104539] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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14
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Spence C. Gastrophysics: Getting creative with pairing flavours. Int J Gastron Food Sci 2022. [DOI: 10.1016/j.ijgfs.2021.100433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Ruiz-Ceamanos A, Spence C, Navarra J. Individual Differences in Chemosensory Perception Amongst Cancer Patients Undergoing Chemotherapy: A Narrative Review. Nutr Cancer 2022; 74:1927-1941. [PMID: 35102800 DOI: 10.1080/01635581.2021.2000625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Chemotherapy is an aggressive form of treatment for cancer and its toxicity directly affects the eating behavior of many patients, usually by adversely affecting their sense of smell and/or taste. These sensory alterations often lead to serious nutritional deficiencies that can jeopardize the patient's recovery, and even continue to affect their lives once treatment has terminated. Importantly, however, not all patients suffer from such alterations to their chemical senses; and those who do, do not necessarily describe the side effects in quite the same way, nor suffer from them with equal intensity. The origin of these individual differences between cancer patients undergoing chemotherapy treatment has not, as yet, been studied in detail. This review is therefore designed to encourage future research that can help to address the perceptual/sensory problems (and the consequent malnutrition) identified amongst this group of patients in a more customized/personalized manner. In particular, by providing an overview of the possible causes of these large individual differences that have been reported in the literature. For this reason, in addition to the narrative bibliographic review, several possible strategies that could help to improve the chemosensory perception of food are proposed.
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Affiliation(s)
- Alba Ruiz-Ceamanos
- Faculty of Psychology, Department of Cognition, Development and Educational Psychology, University of Barcelona, Barcelona, Spain.,CETT-UB, Barcelona School of Tourism, Hospitality and Gastronomy, Barcelona, Spain
| | - Charles Spence
- Department of Experimental Psychology, University of Oxford, Oxford, UK
| | - Jordi Navarra
- Faculty of Psychology, Department of Cognition, Development and Educational Psychology, University of Barcelona, Barcelona, Spain
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16
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Wooding SP, Ramirez VA. Worldwide diversity, association potential, and natural selection in the superimposed taste genes, CD36 and GNAT3. Chem Senses 2022; 47:6491270. [PMID: 34972209 DOI: 10.1093/chemse/bjab052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
CD36 and GNAT3 mediate taste responses, with CD36 acting as a lipid detector and GNAT3 acting as the α subunit of gustducin, a G protein governing sweet, savory, and bitter transduction. Strikingly, the genes encoding CD36 and GNAT3 are genomically superimposed, with CD36 completely encompassing GNAT3. To characterize genetic variation across the CD36-GNAT3 region, its implications for phenotypic diversity, and its recent evolution, we analyzed from ~2,500 worldwide subjects sequenced by the 1000 Genomes Project (1000GP). CD36-GNAT3 harbored extensive diversity including 8,688 single-nucleotide polymorphisms (SNPs), 414 indels, and other complex variants. Sliding window analyses revealed that nucleotide diversity and population differentiation across CD36-GNAT3 were consistent with genome-wide trends in the 1000GP (π = 0.10%, P = 0.64; FST = 9.0%, P = 0.57). In addition, functional predictions using SIFT and PolyPhen-2 identified 60 variants likely to alter protein function, and they were in weak linkage disequilibrium (r2 < 0.17), suggesting their effects are largely independent. However, the frequencies of predicted functional variants were low (P¯ = 0.0013), indicating their contributions to phenotypic variance on population scales are limited. Tests using Tajima's D statistic revealed that pressures from natural selection have been relaxed across most of CD36-GNAT3 during its recent history (0.39 < P < 0.67). However, CD36 exons showed signs of local adaptation consistent with prior reports (P < 0.035). Thus, CD36 and GNAT3 harbor numerous variants predicted to affect taste sensitivity, but most are rare and phenotypic variance on a population level is likely mediated by a small number of sites.
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Affiliation(s)
- Stephen P Wooding
- Department of Anthropology, University of California, Merced, Merced, CA, USA
| | - Vicente A Ramirez
- Department of Public Health, University of California, Merced, Merced, CA, USA
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Fernández-Carrión R, Sorlí JV, Coltell O, Pascual EC, Ortega-Azorín C, Barragán R, Giménez-Alba IM, Alvarez-Sala A, Fitó M, Ordovas JM, Corella D. Sweet Taste Preference: Relationships with Other Tastes, Liking for Sugary Foods and Exploratory Genome-Wide Association Analysis in Subjects with Metabolic Syndrome. Biomedicines 2021; 10:biomedicines10010079. [PMID: 35052758 PMCID: PMC8772854 DOI: 10.3390/biomedicines10010079] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 12/11/2021] [Accepted: 12/29/2021] [Indexed: 12/21/2022] Open
Abstract
Taste perception and its association with nutrition and related diseases (type 2 diabetes, obesity, metabolic syndrome, cardiovascular, etc.) are emerging fields of biomedicine. There is currently great interest in investigating the environmental and genetic factors that influence sweet taste and sugary food preferences for personalized nutrition. Our aims were: (1) to carry out an integrated analysis of the influence of sweet taste preference (both in isolation and in the context of other tastes) on the preference for sugary foods and its modulation by type 2 diabetes status; (2) as well as to explore new genetic factors associated with sweet taste preference. We studied 425 elderly white European subjects with metabolic syndrome and analyzed taste preference, taste perception, sugary-foods liking, biochemical and genetic markers. We found that type 2 diabetic subjects (38%) have a small, but statistically higher preference for sweet taste (p = 0.021) than non-diabetic subjects. No statistically significant differences (p > 0.05) in preferences for the other tastes (bitter, salty, sour or umami) were detected. For taste perception, type 2 diabetic subjects have a slightly lower perception of all tastes (p = 0.026 for the combined “total taste score”), bitter taste being statistically lower (p = 0.023). We also carried out a principal component analysis (PCA), to identify latent variables related to preferences for the five tastes. We identified two factors with eigenvalues >1. Factor 2 was the one with the highest correlation with sweet taste preference. Sweet taste preference was strongly associated with a liking for sugary foods. In the exploratory SNP-based genome-wide association study (GWAS), we identified some SNPs associated with sweet taste preference, both at the suggestive and at the genome-wide level, especially a lead SNP in the PTPRN2 (Protein Tyrosine Phosphatase Receptor Type N2) gene, whose minor allele was associated with a lower sweet taste preference. The PTPRN2 gene was also a top-ranked gene obtained in the gene-based exploratory GWAS analysis. In conclusion, sweet taste preference was strongly associated with sugary food liking in this population. Our exploratory GWAS identified an interesting candidate gene related with sweet taste preference, but more studies in other populations are required for personalized nutrition.
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Affiliation(s)
- Rebeca Fernández-Carrión
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain; (R.F.-C.); (J.V.S.); (E.C.P.); (C.O.-A.); (R.B.); (I.M.G.-A.); (A.A.-S.)
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (O.C.); (M.F.)
| | - Jose V. Sorlí
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain; (R.F.-C.); (J.V.S.); (E.C.P.); (C.O.-A.); (R.B.); (I.M.G.-A.); (A.A.-S.)
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (O.C.); (M.F.)
| | - Oscar Coltell
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (O.C.); (M.F.)
- Department of Computer Languages and Systems, Universitat Jaume I, 12071 Castellon, Spain
| | - Eva C. Pascual
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain; (R.F.-C.); (J.V.S.); (E.C.P.); (C.O.-A.); (R.B.); (I.M.G.-A.); (A.A.-S.)
| | - Carolina Ortega-Azorín
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain; (R.F.-C.); (J.V.S.); (E.C.P.); (C.O.-A.); (R.B.); (I.M.G.-A.); (A.A.-S.)
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (O.C.); (M.F.)
| | - Rocío Barragán
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain; (R.F.-C.); (J.V.S.); (E.C.P.); (C.O.-A.); (R.B.); (I.M.G.-A.); (A.A.-S.)
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (O.C.); (M.F.)
- Sleep Center of Excellence, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
- Division of General Medicine, Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Ignacio M. Giménez-Alba
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain; (R.F.-C.); (J.V.S.); (E.C.P.); (C.O.-A.); (R.B.); (I.M.G.-A.); (A.A.-S.)
| | - Andrea Alvarez-Sala
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain; (R.F.-C.); (J.V.S.); (E.C.P.); (C.O.-A.); (R.B.); (I.M.G.-A.); (A.A.-S.)
| | - Montserrat Fitó
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (O.C.); (M.F.)
- Cardiovascular Risk and Nutrition Research Group (CARIN), Hospital del Mar Research Institute (IMIM), 08003 Barcelona, Spain
| | - Jose M. Ordovas
- Nutrition and Genomics Laboratory, JM-USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA;
- Nutritional Genomics and Epigenomics Group, IMDEA Alimentación, 28049 Madrid, Spain
| | - Dolores Corella
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain; (R.F.-C.); (J.V.S.); (E.C.P.); (C.O.-A.); (R.B.); (I.M.G.-A.); (A.A.-S.)
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (O.C.); (M.F.)
- Correspondence: ; Tel.: +34-96-386-4800
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Spence C. What is the link between personality and food behavior? Curr Res Food Sci 2021; 5:19-27. [PMID: 34917953 PMCID: PMC8666606 DOI: 10.1016/j.crfs.2021.12.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 12/02/2021] [Accepted: 12/02/2021] [Indexed: 11/19/2022] Open
Abstract
A number of personality characteristics have been linked to various aspects of taste (gustation), trigeminal, and olfactory perception. In particular, personality traits have been linked to olfactory sensory thresholds and olfactory identification abilities, as well as to the sensory-discriminative aspects of taste/flavour perception. To date, much of the research in this area has focused on Sensation Seeking (including Experience Seeking, and Openness to Novel Experiences), with the latter being linked to a preference for spicy, and possibly also crunchy, sour, and bitter foods/drinks. Novelty-seeking has also been linked to a preference for salty foods, while anxious individuals appear to enjoy a much narrower range of foods. A bidirectional link has also been documented between taste and mood. Certain of the personality-based differences in taste/flavour perception and food behaviour have been linked to differences in circulating levels of neurotransmitters and hormones in both normal and clinical populations. Taken together, therefore, the evidence that has been published to date supports a number of intriguing connections between personality traits and taste perception/food behaviour.
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Martínez-Sánchez LM, Parra-Martínez C, Martínez-García TE, Martínez-García C. Cognitive Keys in Psychophysical Estimation of Chemosensory Perception in University Students. Foods 2021; 10:foods10123134. [PMID: 34945685 PMCID: PMC8701806 DOI: 10.3390/foods10123134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/09/2021] [Accepted: 12/14/2021] [Indexed: 11/16/2022] Open
Abstract
Psychophysical methods allow us to measure the relationship between stimuli and sensory perception. Of these, Detection Threshold (DT) allows us to know the minimum concentration to produce taste identification. Given this, we wonder whether, for example, wine tasting experts are more capable of perceiving their sensory properties than other people, or whether they can distinguish them because they are better able to “describe” them. To verify this, this study analyses the influence of having prior knowledge of the name astringency and, failing that, to detect it and distinguish it between the four basic tastes. One-hundred-and-sixty-two university students with an average age of 19.43 (SD = 2.55) years were assigned to three experimental conditions: an experimental group (G.2) without previous knowledge of the name astringency and with alimentary satiety, and two control groups, both with previous knowledge of the name, these being G.1, with satiety, and G.3, with hunger. DT was collected for the four basic tastes and astringencies. Results showed significant differences in the identification of astringency, being the least identified experimental group with respect to the control groups. It is striking that G.2, without prior knowledge of the name, identified astringency as a bitter taste in most cases. This supports our hypothesis of the importance of attending to linguistic cognitive processes when psychophysically estimating taste in humans.
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Affiliation(s)
- Laura María Martínez-Sánchez
- Department of Didactics of Physical, Plastic and Musical Education, Faculty of Education Sciences, University of Cádiz, 11519 Puerto Real, Spain
- Correspondence: (L.M.M.-S.); (C.M.-G.)
| | - Cecilio Parra-Martínez
- Department of Chemistry, Faculty of Experimental Sciences, University of Huelva, 21007 Huelva, Spain;
| | | | - Concha Martínez-García
- Department of Social, Developmental and Educational Psychology, Faculty of Education, Psychology and Sports Sciences, University of Huelva, 21007 Huelva, Spain
- Correspondence: (L.M.M.-S.); (C.M.-G.)
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Almazan EMP, Ryan JF, Rouhana L. Regeneration of Planarian Auricles and Reestablishment of Chemotactic Ability. Front Cell Dev Biol 2021; 9:777951. [PMID: 34901022 PMCID: PMC8662385 DOI: 10.3389/fcell.2021.777951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/04/2021] [Indexed: 11/13/2022] Open
Abstract
Detection of chemical stimuli is crucial for living systems and also contributes to quality of life in humans. Since loss of olfaction becomes more prevalent with aging, longer life expectancies have fueled interest in understanding the molecular mechanisms behind the development and maintenance of chemical sensing. Planarian flatworms possess an unsurpassed ability for stem cell-driven regeneration that allows them to restore any damaged or removed part of their bodies. This includes anteriorly-positioned lateral flaps known as auricles, which have long been thought to play a central role in chemotaxis. The contribution of auricles to the detection of positive chemical stimuli was tested in this study using Girardia dorotocephala, a North American planarian species known for its morphologically prominent auricles. Behavioral experiments staged under laboratory conditions revealed that removal of auricles by amputation leads to a significant decrease in the ability of planarians to find food. However, full chemotactic capacity is observed as early as 2 days post-amputation, which is days prior from restoration of auricle morphology, but correlative with accumulation of ciliated cells in the position of auricle regeneration. Planarians subjected to x-ray irradiation prior to auricle amputation were unable to restore auricle morphology, but were still able to restore chemotactic capacity. These results indicate that although regeneration of auricle morphology requires stem cells, some restoration of chemotactic ability can still be achieved in the absence of normal auricle morphology, corroborating with the initial observation that chemotactic success is reestablished 2-days post-amputation in our assays. Transcriptome profiles of excised auricles were obtained to facilitate molecular characterization of these structures, as well as the identification of genes that contribute to chemotaxis and auricle development. A significant overlap was found between genes with preferential expression in auricles of G. dorotocephala and genes with reduced expression upon SoxB1 knockdown in Schmidtea mediterranea, suggesting that SoxB1 has a conserved role in regulating auricle development and function. Models that distinguish between possible contributions to chemotactic behavior obtained from cellular composition, as compared to anatomical morphology of the auricles, are discussed.
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Affiliation(s)
| | - Joseph F. Ryan
- Whitney Laboratory of Marine Biosciences, University of Florida, St. Augustine, FL, United States
- Department of Biology, University of Florida, Gainesville, FL, United States
| | - Labib Rouhana
- Department of Biological Sciences, Wright State University, Dayton, OH, United States
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21
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22
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Wooding SP, Ramirez VA, Behrens M. Bitter taste receptors: Genes, evolution and health. Evol Med Public Health 2021; 9:431-447. [PMID: 35154779 PMCID: PMC8830313 DOI: 10.1093/emph/eoab031] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 10/05/2021] [Indexed: 02/01/2023] Open
Abstract
Bitter taste perception plays vital roles in animal behavior and fitness. By signaling the presence of toxins in foods, particularly noxious defense compounds found in plants, it enables animals to avoid exposure. In vertebrates, bitter perception is initiated by TAS2Rs, a family of G protein-coupled receptors expressed on the surface of taste buds. There, oriented toward the interior of the mouth, they monitor the contents of foods, drinks and other substances as they are ingested. When bitter compounds are encountered, TAS2Rs respond by triggering neural pathways leading to sensation. The importance of this role placed TAS2Rs under selective pressures in the course of their evolution, leaving signatures in patterns of gene gain and loss, sequence polymorphism, and population structure consistent with vertebrates' diverse feeding ecologies. The protective value of bitter taste is reduced in modern humans because contemporary food supplies are safe and abundant. However, this is not always the case. Some crops, particularly in the developing world, retain surprisingly high toxicity and bitterness remains an important measure of safety. Bitter perception also shapes health through its influence on preference driven behaviors such as diet choice, alcohol intake and tobacco use. Further, allelic variation in TAS2Rs is extensive, leading to individual differences in taste sensitivity that drive these behaviors, shaping susceptibility to disease. Thus, bitter taste perception occupies a critical intersection between ancient evolutionary processes and modern human health.
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Affiliation(s)
- Stephen P Wooding
- Department of Anthropology and Health Sciences Research Institute, University of California, Merced, CA, USA
| | - Vicente A Ramirez
- Department of Public Health, University of California, Merced, CA, USA
| | - Maik Behrens
- Maik Behrens, Leibniz-Institute for Food Systems Biology at the Technical University of Munich, Freising, Germany
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23
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Roberts MS, Cheruvu HS, Mangion SE, Alinaghi A, Benson HA, Mohammed Y, Holmes A, van der Hoek J, Pastore M, Grice JE. Topical drug delivery: History, percutaneous absorption, and product development. Adv Drug Deliv Rev 2021; 177:113929. [PMID: 34403750 DOI: 10.1016/j.addr.2021.113929] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 08/05/2021] [Accepted: 08/11/2021] [Indexed: 02/07/2023]
Abstract
Topical products, widely used to manage skin conditions, have evolved from simple potions to sophisticated delivery systems. Their development has been facilitated by advances in percutaneous absorption and product design based on an increasingly mechanistic understanding of drug-product-skin interactions, associated experiments, and a quality-by-design framework. Topical drug delivery involves drug transport from a product on the skin to a local target site and then clearance by diffusion, metabolism, and the dermal circulation to the rest of the body and deeper tissues. Insights have been provided by Quantitative Structure Permeability Relationships (QSPR), molecular dynamics simulations, and dermal Physiologically Based PharmacoKinetics (PBPK). Currently, generic product equivalents of reference-listed products dominate the topical delivery market. There is an increasing regulatory interest in understanding topical product delivery behavior under 'in use' conditions and predicting in vivo response for population variations in skin barrier function and response using in silico and in vitro findings.
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Louro T, Simões C, Castelo PM, Capela e Silva F, Luis H, Moreira P, Lamy E. How Individual Variations in the Perception of Basic Tastes and Astringency Relate with Dietary Intake and Preferences for Fruits and Vegetables. Foods 2021; 10:foods10081961. [PMID: 34441738 PMCID: PMC8392026 DOI: 10.3390/foods10081961] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/19/2021] [Accepted: 08/20/2021] [Indexed: 12/27/2022] Open
Abstract
Background: Oral food perception plays a major role in food acceptance, although the way it relates with food preferences and final choices in adults is still debatable. The objective of the present study was to assess the relationship between gustatory function, dietary habits and fruit and vegetable preferences. Methods: Recognition thresholds, suprathreshold and hedonics were accessed for sweet, bitter, sour, salty and astringency in 291 adult participants. A Food Frequency Questionnaire (FFQ) and a questionnaire for assessment of preferences for individual fruit and vegetables were filled by the participants. Results: Three clusters were obtained: “most sensitive”, “less sensitive” and “less sensitive only for sour”. The less sensitive cluster showed lower preferences for fruit and vegetables and higher intake of sweets and fast foods, whereas higher preferences for sweet veggies were observed in the “most sensitive” cluster. Basic tastes and astringency hedonics did not associate with fruit and vegetable preferences, but the sensitivity for these oral sensations did. Conclusions: Taste and astringency sensitivities are related with the preference for fruit and vegetables, being also associated with some dietary habits. The effectiveness of the strategies to promote plant-based healthy food consumption may benefit from the knowledge of individuals’ gustatory function.
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Affiliation(s)
- Teresa Louro
- Mediterranean Institute for Agriculture, Environment and Development (MED), Institute for Advanced Studies and Research, IIFA University of Évora, 7006-554 Évora, Portugal; (T.L.); (C.S.); (F.C.e.S.)
| | - Carla Simões
- Mediterranean Institute for Agriculture, Environment and Development (MED), Institute for Advanced Studies and Research, IIFA University of Évora, 7006-554 Évora, Portugal; (T.L.); (C.S.); (F.C.e.S.)
| | - Paula Midori Castelo
- Department of Pharmaceutical Sciences, Universidade Federal de São Paulo (UNIFESP), Diadema 09972-270, Brazil;
| | - Fernando Capela e Silva
- Mediterranean Institute for Agriculture, Environment and Development (MED), Institute for Advanced Studies and Research, IIFA University of Évora, 7006-554 Évora, Portugal; (T.L.); (C.S.); (F.C.e.S.)
- Department of Medical and Health Sciences, School of Health and Human Development, University of Évora, 7006-554 Évora, Portugal
| | - Henrique Luis
- School of Dental Medicine, University of Lisbon, 1649-003 Lisbon, Portugal;
- ciTechCare, Polytechnic of Leiria, 2410-541 Leiria, Portugal
| | - Pedro Moreira
- Faculty of Nutrition and Food Sciences, University of Porto, 4200-465 Porto, Portugal;
- EPIUnit—Institute of Public Health, University of Porto, 4200-465 Porto, Portugal
- Research Centre in Physical Activity, Health and Leisure, University of Porto, 4200-465 Porto, Portugal
| | - Elsa Lamy
- Mediterranean Institute for Agriculture, Environment and Development (MED), Institute for Advanced Studies and Research, IIFA University of Évora, 7006-554 Évora, Portugal; (T.L.); (C.S.); (F.C.e.S.)
- Correspondence:
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25
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Odours count: human olfactory ecology appears to be helpful in the improvement of the sense of smell. Sci Rep 2021; 11:16888. [PMID: 34413403 PMCID: PMC8376892 DOI: 10.1038/s41598-021-96334-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 08/09/2021] [Indexed: 02/07/2023] Open
Abstract
Odours modify human behaviour. Research in this field develops rapidly, providing more and more exciting discoveries. In this context, our daily odorous environment has been surprisingly poorly explored. The aim of our study was to quantify olfactory perception and preliminarily identify factors affecting the frequency of odorous experiences. We were also interested in knowing whether human olfactory ecology relates with olfactory performance. In this study, patients with olfactory deficits (n = 62) and healthy controls (n = 97) had their olfactory threshold and odour identification abilities measured before and after a two-week intervention comprising counting of conscious perception of odours naturally occurring in the environment. In both groups, we observed enhanced olfactory performance after the intervention suggesting that (1) the conscious focus on odours may change its perception, and that (2) social and physical environment can effectively stimulate the human olfactory system, presumably supporting the improvement of olfactory sensitivity.
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26
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Winters AE, Lommi J, Kirvesoja J, Nokelainen O, Mappes J. Multimodal Aposematic Defenses Through the Predation Sequence. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.657740] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Aposematic organisms warn predators of their unprofitability using a combination of defenses, including visual warning signals, startling sounds, noxious odors, or aversive tastes. Using multiple lines of defense can help prey avoid predators by stimulating multiple senses and/or by acting at different stages of predation. We tested the efficacy of three lines of defense (color, smell, taste) during the predation sequence of aposematic wood tiger moths (Arctia plantaginis) using blue tit (Cyanistes caeruleus) predators. Moths with two hindwing phenotypes (genotypes: WW/Wy = white, yy = yellow) were manipulated to have defense fluid with aversive smell (methoxypyrazines), body tissues with aversive taste (pyrrolizidine alkaloids) or both. In early predation stages, moth color and smell had additive effects on bird approach latency and dropping the prey, with the strongest effect for moths of the white morph with defense fluids. Pyrrolizidine alkaloid sequestration was detrimental in early attack stages, suggesting a trade-off between pyrrolizidine alkaloid sequestration and investment in other defenses. In addition, pyrrolizidine alkaloid taste alone did not deter bird predators. Birds could only effectively discriminate toxic moths from non-toxic moths when neck fluids containing methoxypyrazines were present, at which point they abandoned attack at the consumption stage. As a result, moths of the white morph with an aversive methoxypyrazine smell and moths in the treatment with both chemical defenses had the greatest chance of survival. We suggest that methoxypyrazines act as context setting signals for warning colors and as attention alerting or “go-slow” signals for distasteful toxins, thereby mediating the relationship between warning signal and toxicity. Furthermore, we found that moths that were heterozygous for hindwing coloration had more effective defense fluids compared to other genotypes in terms of delaying approach and reducing the latency to drop the moth, suggesting a genetic link between coloration and defense that could help to explain the color polymorphism. Conclusively, these results indicate that color, smell, and taste constitute a multimodal warning signal that impedes predator attack and improves prey survival. This work highlights the importance of understanding the separate roles of color, smell and taste through the predation sequence and also within-species variation in chemical defenses.
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Does Responsiveness to Basic Tastes Influence Preadolescents' Food Liking? Investigating Taste Responsiveness Segment on Bitter-Sour-Sweet and Salty-Umami Model Food Samples. Nutrients 2021; 13:nu13082721. [PMID: 34444881 PMCID: PMC8401806 DOI: 10.3390/nu13082721] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 08/03/2021] [Accepted: 08/05/2021] [Indexed: 11/23/2022] Open
Abstract
The objective of this study was to investigate the relationships between taste responsiveness and food liking in preadolescents. Model food samples of grapefruit juice (GF) and vegetable broth (VB) modified with four additions of sucrose and sodium chloride, respectively, were employed. Intensity perception for sweetness, sourness, and bitterness were measured in GF while saltiness and umami were measured in VB. The children (N = 148) also completed food choice, familiarity, stated liking and neophobia questionnaires. The test was conducted at school, with instructions provided remotely via video call. Four segments were defined differing in basic taste responsiveness. Segments and sucrose concentrations significantly affected liking for GF, while no significant effect of segments and sodium chloride concentrations occurred on liking for VB. An increasing sucrose concentration was positively associated with liking for GF only in the segment with low responsiveness to bitter and sour tastes. No significant differences across segments were found for food choice, familiarity, stated liking, and neophobia. Conclusively, relationships between taste responsiveness and liking are product and basic taste-dependent in addition to being subject-dependent. Strategies to improve acceptance by using sucrose as a suppressor for warning sensations of bitterness and sourness can be more or less effective depending on individual responsiveness to the basic tastes.
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Jang J, Kim K, Lee YH, Kim H. Population differentiated copy number variation of Bos taurus, Bos indicus and their African hybrids. BMC Genomics 2021; 22:531. [PMID: 34253178 PMCID: PMC8276479 DOI: 10.1186/s12864-021-07808-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 06/10/2021] [Indexed: 01/10/2023] Open
Abstract
Background CNV comprises a large proportion in cattle genome and is associated with various traits. However, there were few population-scale comparison studies on cattle CNV. Results Here, autosome-wide CNVs were called by read depth of NGS alignment result and copy number variation regions (CNVRs) defined from 102 Eurasian taurine (EAT) of 14 breeds, 28 Asian indicine (ASI) of 6 breeds, 22 African taurine (AFT) of 2 breeds, and 184 African humped cattle (AFH) of 17 breeds. The copy number of every CNVRs were compared between populations and CNVRs with population differentiated copy numbers were sorted out using the pairwise statistics VST and Kruskal-Wallis test. Three hundred sixty-two of CNVRs were significantly differentiated in both statistics and 313 genes were located on the population differentiated CNVRs. Conclusion For some of these genes, the averages of copy numbers were also different between populations and these may be candidate genes under selection. These include olfactory receptors, pathogen-resistance, parasite-resistance, heat tolerance and productivity related genes. Furthermore, breed- and individual-level comparison was performed using the presence or copy number of the autosomal CNVRs. Our findings were based on identification of CNVs from short Illumina reads of 336 individuals and 39 breeds, which to our knowledge is the largest dataset for this type of analysis and revealed important CNVs that may play a role in cattle adaption to various environments. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-021-07808-7.
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Affiliation(s)
- Jisung Jang
- Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul, Republic of Korea
| | - Kwondo Kim
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea
| | - Young Ho Lee
- Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul, Republic of Korea
| | - Heebal Kim
- Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul, Republic of Korea. .,Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea. .,eGnome, Inc, Seoul, South Korea.
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What Is the Relationship between the Presence of Volatile Organic Compounds in Food and Drink Products and Multisensory Flavour Perception? Foods 2021; 10:foods10071570. [PMID: 34359439 PMCID: PMC8304950 DOI: 10.3390/foods10071570] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 07/01/2021] [Accepted: 07/03/2021] [Indexed: 11/24/2022] Open
Abstract
This narrative review examines the complex relationship that exists between the presence of specific configurations of volatile organic compounds (VOCs) in food and drink products and multisensory flavour perception. Advances in gas chromatography technology and mass spectrometry data analysis mean that it is easier than ever before to identify the unique chemical profile of a particular food or beverage item. Importantly, however, there is simply no one-to-one mapping between the presence of specific VOCs and the flavours that are perceived by the consumer. While the profile of VOCs in a particular product undoubtedly does tightly constrain the space of possible flavour experiences that a taster is likely to have, the gustatory and trigeminal components (i.e., sapid elements) in foods and beverages can also play a significant role in determining the actual flavour experience. Genetic differences add further variation to the range of multisensory flavour experiences that may be elicited by a given configuration of VOCs, while an individual’s prior tasting history has been shown to determine congruency relations (between olfaction and gustation) that, in turn, modulate the degree of oral referral, and ultimately flavour pleasantness, in the case of familiar foods and beverages.
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Mikołajczyk-Stecyna J, Malinowska AM, Mlodzik-Czyzewska M, Chmurzynska A. Coffee and tea choices and intake patterns in 20-to-40 year old adults. Food Qual Prefer 2021. [DOI: 10.1016/j.foodqual.2020.104115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Spence C. Sonic Seasoning and Other Multisensory Influences on the Coffee Drinking Experience. FRONTIERS IN COMPUTER SCIENCE 2021. [DOI: 10.3389/fcomp.2021.644054] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
The coffee drinking experience undoubtedly depends greatly on the quality of the coffee bean and the method of preparation. However, beyond the product-intrinsic qualities of the beverage itself, there are also a host of other product-extrinsic factors that have been shown to influence the coffee-drinking experience. This review summarizes the influence of everything from the multisensory atmosphere through to the sound of coffee preparation, and from the typeface on the coffee packaging through the drinking vessel. Furthermore, the emerging science around sonic seasoning, whereby specific pieces of music or soundscapes, either pre-composed or bespoke, are used to bring out specific aspects in the taste (e.g., sweetness or bitterness) or aroma/flavor (nutty, dark chocolate, dried fruit notes, etc.) of a coffee beverage is also discussed in depth. Relevant related research with other complex drinks such as beer and wine are also mentioned where relevant.
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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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Høier ATZB, Chaaban N, Andersen BV. Possibilities for Maintaining Appetite in Recovering COVID-19 Patients. Foods 2021; 10:foods10020464. [PMID: 33672528 PMCID: PMC7923765 DOI: 10.3390/foods10020464] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 02/11/2021] [Accepted: 02/16/2021] [Indexed: 12/23/2022] Open
Abstract
COVID-19 and sequelae thereof are known to cause chemosensory dysfunction, posing a risk for intake and adequate nutrition for recovery. The overall objective of this study was to investigate the subjective strategies for maintaining appetite applied by patients recovering from COVID-19. The study included 19 in-depth interviews, focusing on patients suffering from long-term effects of COVID-19. The results were analysed using a thematic analysis for qualitative data. Results on strategies for maintaining appetite included four key themes: (1) a focus on well-functioning senses, (2) a focus on familiar foods, (3) a focus on the eating environment, and (4) a focus on post-ingestive well-being. It was found that factors prior to, during and after food intake, as well as the context, could influence desire to eat and pleasure related to food intake. As ageusia and anosmia make characterization of food difficult, being able to recognize and memorize its flavour was important to engage in consumption. Under normal circumstances, the hedonic value of food relies predominantly on the flavour of foods. When suffering from chemosensory dysfunction, shifting focus towards the texture of food, including trigeminal stimulation during consumption, were beneficial for maintaining appetite and food-related pleasure. Furthermore, a focus on the holistic satisfying feelings of choosing healthy food, as well as a focus on other people’s enjoyment during meals were reported to boost well-being around food intake. The study elaborated our understanding of the complex consequences of COVID-19, and can be applied in health promoting initiatives targeted patients recovering from COVID-19.
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Jaworska K, Konop M, Hutsch T, Perlejewski K, Radkowski M, Grochowska M, Bielak-Zmijewska A, Mosieniak G, Sikora E, Ufnal M. Trimethylamine But Not Trimethylamine Oxide Increases With Age in Rat Plasma and Affects Smooth Muscle Cells Viability. J Gerontol A Biol Sci Med Sci 2021; 75:1276-1283. [PMID: 31411319 DOI: 10.1093/gerona/glz181] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Indexed: 01/01/2023] Open
Abstract
It has been suggested that trimethylamine oxide (TMAO), a liver oxygenation product of gut bacteria-produced trimethylamine (TMA), is a marker of cardiovascular risk. However, mechanisms of the increase and biological effects of TMAO are obscure. Furthermore, the potential role of TMAO precursor, that is TMA, has not been investigated. We evaluated the effect of age, a cardiovascular risk factor, on plasma levels of TMA and TMAO, gut bacteria composition, gut-to-blood penetration of TMA, histological and hemodynamic parameters in 3-month-old and 18-month-old, male, Sprague-Dawley and Wistar-Kyoto rats. Cytotoxicity of TMA and TMAO was studied in human vascular smooth muscle cells. Older rats showed significantly different gut bacteria composition, a significantly higher gut-to-blood TMA penetration, and morphological and hemodynamic alterations in intestines. In vitro, TMA at concentration of 500 µmol/L (2-fold higher than in portal blood) decreased human vascular smooth muscle cells viability. In contrast, TMAO at 1,000-fold higher concentration than physiological one had no effect on human vascular smooth muscle cells viability. In conclusion, older rats show higher plasma level of TMA due to a "leaky gut". TMA but not TMAO affects human vascular smooth muscle cells viability. We propose that TMA but not TMAO may be a marker and mediator of cardiovascular risk.
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Affiliation(s)
- Kinga Jaworska
- Department of Experimental Physiology and Pathophysiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
| | - Marek Konop
- Department of Experimental Physiology and Pathophysiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
| | - Tomasz Hutsch
- Department of Experimental Physiology and Pathophysiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
| | - Karol Perlejewski
- Department of Immunopathology of Infectious and Parasitic Diseases, Warsaw Medical University, Warsaw, Poland
| | - Marek Radkowski
- Department of Immunopathology of Infectious and Parasitic Diseases, Warsaw Medical University, Warsaw, Poland
| | - Marta Grochowska
- Department of Immunopathology of Infectious and Parasitic Diseases, Warsaw Medical University, Warsaw, Poland
| | - Anna Bielak-Zmijewska
- Laboratory of Molecular Bases of Aging, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Grażyna Mosieniak
- Laboratory of Molecular Bases of Aging, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Ewa Sikora
- Laboratory of Molecular Bases of Aging, Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warsaw, Poland
| | - Marcin Ufnal
- Department of Experimental Physiology and Pathophysiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
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Muelbert M, Alexander T, Pook C, Jiang Y, Harding JE, Bloomfield FH. Cortical Oxygenation Changes during Gastric Tube Feeding in Moderate- and Late-Preterm Babies: A NIRS Study. Nutrients 2021; 13:nu13020350. [PMID: 33503882 PMCID: PMC7911983 DOI: 10.3390/nu13020350] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/18/2021] [Accepted: 01/21/2021] [Indexed: 12/05/2022] Open
Abstract
Smell and taste of food can trigger physiological responses facilitating digestion and metabolism of nutrients. Controlled experimental studies in preterm babies have demonstrated that smell activates the orbitofrontal cortex (OFC) but none have investigated the effect of taste stimulation. Using cotside Near-Infrared Spectroscopy (NIRS), we measured changes in OFC cerebral oxygenation in response to gastric tube feeds five and 10 days after birth in 53 assessments of 35 moderate- to late-preterm babies enrolled in a randomized trial. Babies were randomly assigned to receive smell and taste of milk before gastric tube feeds (intervention group, n = 16) or no exposure (control group, n = 19). The majority of babies were born at 33 weeks of gestation (range 32–34) and 69% were boys. No differences in OFC cerebral oxygenation were observed between control and intervention groups. Gastric tube feeds induced activation of the OFC (p < 0.05), but sensory stimulation alone with smell and taste did not. Boys, but not girls, showed activation of the OFC following exposure to smell of milk (p = 0.01). The clinical impact of sensory stimulation prior to tube feeds on nutrition of preterm babies, as well as the impact of environmental inputs on cortical activation, remains to be determined.
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Affiliation(s)
- Mariana Muelbert
- Liggins Institute, University of Auckland, 1142 Auckland, New Zealand; (M.M.); (T.A.); (C.P.); (Y.J.); (J.E.H.)
| | - Tanith Alexander
- Liggins Institute, University of Auckland, 1142 Auckland, New Zealand; (M.M.); (T.A.); (C.P.); (Y.J.); (J.E.H.)
- Neonatal Unit, Kidz First, Middlemore Hospital, 2025 Auckland, New Zealand
| | - Chris Pook
- Liggins Institute, University of Auckland, 1142 Auckland, New Zealand; (M.M.); (T.A.); (C.P.); (Y.J.); (J.E.H.)
| | - Yannan Jiang
- Liggins Institute, University of Auckland, 1142 Auckland, New Zealand; (M.M.); (T.A.); (C.P.); (Y.J.); (J.E.H.)
| | - Jane Elizabeth Harding
- Liggins Institute, University of Auckland, 1142 Auckland, New Zealand; (M.M.); (T.A.); (C.P.); (Y.J.); (J.E.H.)
| | - Frank Harry Bloomfield
- Liggins Institute, University of Auckland, 1142 Auckland, New Zealand; (M.M.); (T.A.); (C.P.); (Y.J.); (J.E.H.)
- Correspondence: ; Tel.: +64-9-923-6107
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Reed DR, Alhadeff AL, Beauchamp GK, Chaudhari N, Duffy VB, Dus M, Fontanini A, Glendinning JI, Green BG, Joseph PV, Kyriazis GA, Lyte M, Maruvada P, McGann JP, McLaughlin JT, Moran TH, Murphy C, Noble EE, Pepino MY, Pluznick JL, Rother KI, Saez E, Spector AC, Sternini C, Mattes RD. NIH Workshop Report: sensory nutrition and disease. Am J Clin Nutr 2021; 113:232-245. [PMID: 33300030 PMCID: PMC7779223 DOI: 10.1093/ajcn/nqaa302] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 09/30/2020] [Indexed: 12/13/2022] Open
Abstract
In November 2019, the NIH held the "Sensory Nutrition and Disease" workshop to challenge multidisciplinary researchers working at the interface of sensory science, food science, psychology, neuroscience, nutrition, and health sciences to explore how chemosensation influences dietary choice and health. This report summarizes deliberations of the workshop, as well as follow-up discussion in the wake of the current pandemic. Three topics were addressed: A) the need to optimize human chemosensory testing and assessment, B) the plasticity of chemosensory systems, and C) the interplay of chemosensory signals, cognitive signals, dietary intake, and metabolism. Several ways to advance sensory nutrition research emerged from the workshop: 1) refining methods to measure chemosensation in large cohort studies and validating measures that reflect perception of complex chemosensations relevant to dietary choice; 2) characterizing interindividual differences in chemosensory function and how they affect ingestive behaviors, health, and disease risk; 3) defining circuit-level organization and function that link and interact with gustatory, olfactory, homeostatic, visceral, and cognitive systems; and 4) discovering new ligands for chemosensory receptors (e.g., those produced by the microbiome) and cataloging cell types expressing these receptors. Several of these priorities were made more urgent by the current pandemic because infection with sudden acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and the ensuing coronavirus disease of 2019 has direct short- and perhaps long-term effects on flavor perception. There is increasing evidence of functional interactions between the chemosensory and nutritional sciences. Better characterization of this interface is expected to yield insights to promote health, mitigate disease risk, and guide nutrition policy.
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Affiliation(s)
| | - Amber L Alhadeff
- Monell Chemical Senses Center, Philadelphia, PA, USA
- Department of Neuroscience, University of Pennsylvania, Philadelphia, PA, USA
| | | | - Nirupa Chaudhari
- Department of Physiology and Biophysics, University of Miami Miller School of Medicine, Miami, FL, USA
- Department of Otolaryngology, University of Miami Miller School of Medicine, Miami, FL, USA
- Program in Neurosciences, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Valerie B Duffy
- Department of Allied Health Sciences, University of Connecticut, Storrs, CT, USA
| | - Monica Dus
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
| | - Alfredo Fontanini
- Department of Neurobiology and Behavior, Stony Brook University, Stony Brook, NY, USA
| | - John I Glendinning
- Department of Biology, Barnard College, Columbia University, New York, NY, USA
- Department of Neuroscience and Behavior, Barnard College, Columbia University, New York, NY, USA
| | - Barry G Green
- The John B Pierce Laboratory, New Haven, CT, USA
- Department of Surgery (Otolaryngology), Yale School of Medicine, Yale University, New Haven, CT, USA
| | - Paule V Joseph
- National Institute of Alcohol Abuse and Alcoholism, NIH, Bethesda, MD, USA
- National Institute of Nursing, NIH, Bethesda, MD, USA
| | - George A Kyriazis
- Department of Biological Chemistry and Pharmacology, College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Mark Lyte
- Interdepartmental Microbiology Graduate Program, Iowa State University, Ames, IA, USA
- Department of Veterinary Microbiology and Preventive Medicine, Iowa State University, Ames, IA, USA
| | - Padma Maruvada
- National Institute of Diabetes and Digestive and Kidney Diseases, NIH, Bethesda, MD, USA
| | - John P McGann
- Behavioral and Systems Neuroscience, Department of Psychology, Rutgers University, Piscataway, NJ, USA
| | - John T McLaughlin
- Division of Diabetes, Endocrinology, & Gastroenterology, School of Medical Sciences, Faculty of Biology, Medicine, and Health, The University of Manchester, Manchester, United Kingdom
- Department of Gastroenterology, Salford Royal NHS Foundation Trust, Salford, United Kingdom
| | - Timothy H Moran
- Department of Psychiatry & Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Claire Murphy
- Department of Psychology, San Diego State University, San Diego, CA, USA
- Department of Psychiatry, University of California, San Diego, San Diego, CA, USA
| | - Emily E Noble
- Department of Foods and Nutrition, University of Georgia, Athens, GA, USA
| | - M Yanina Pepino
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL, USA
- Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, USA
| | - Jennifer L Pluznick
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Kristina I Rother
- Intramural Research Program, National Institute of Diabetes and Digestive and Kidney Diseases, NIH, Bethesda, MD, USA
| | - Enrique Saez
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
| | - Alan C Spector
- Department of Psychology, Florida State University, Tallahassee, FL, USA
- Program in Neuroscience, Florida State University, Tallahassee, FL, USA
| | - Catia Sternini
- Digestive Disease Division, Departments of Medicine and Neurobiology, David Geffen School of Medicine, University of California at Los Angeles, Los Angeles, CA, USA
| | - Richard D Mattes
- Department of Nutrition Science, Purdue University, West Lafayette, IN, USA
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Chao AM, Zhou Y, Franks AT, Brooks BE, Joseph PV. Associations of Taste Perception with Tobacco Smoking, Marijuana Use, and Weight Status in the National Health and Nutrition Examination Survey. Chem Senses 2021; 46:bjab017. [PMID: 33835132 PMCID: PMC8306721 DOI: 10.1093/chemse/bjab017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Habitual smoking of tobacco and marijuana can lead to weight changes and poor diet quality. These effects may be caused by taste changes related to smoking and marijuana use. This study examined the associations among taste perceptions of a bitterant (quinine) and salt, tobacco and marijuana use, and weight status. We conducted a cross-sectional analysis of adults who responded to the National Health and Nutrition Examination Survey in 2013-2014. Participants (n = 2808; female = 51.7%) were adults ≥40 years with an average body mass index (BMI) of 29.6 kg/m2. Participants completed whole mouth and tongue tip assessments of bitter (quinine) and salty (NaCl) tastes, and questionnaires on demographics, cigarette, tobacco, and drug use. Measured height and weight were used to calculate BMI. Compared with never smokers, current smokers reported increased bitter ratings. Smoking status was not associated with salty taste intensity ratings after adjustment for demographic variables. Current marijuana users reported lower tongue tip quine ratings than never users. Among current smokers, current marijuana users had lower whole mouth quinine ratings than never users. Taste perception for salt and quinine for current and former smokers as well as marijuana smokers varied in whole mouth and tongue tip assessment. Changes in taste perception among cigarette smokers and marijuana consumers may be clinically relevant to address to improve diet and weight status.
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Affiliation(s)
- Ariana M Chao
- Department of Biobehavioral Health Sciences, University of Pennsylvania School of Nursing, Philadelphia, PA, USA
- Department of Psychiatry, Perelman School of Medicine at the University of Pennsylvania, Center for Weight and Eating Disorders, Philadelphia, PA, USA
| | - Yingjie Zhou
- Department of Biobehavioral Health Sciences, University of Pennsylvania School of Nursing, Philadelphia, PA, USA
- Department of Psychiatry, Perelman School of Medicine at the University of Pennsylvania, Center for Weight and Eating Disorders, Philadelphia, PA, USA
| | - Alexis T Franks
- National Institutes on Alcohol Abuse and Alcoholism & National Institute of Nursing Research, Section of Sensory Science and Metabolism, Bethesda, MD, USA
| | - Brianna E Brooks
- National Institutes on Alcohol Abuse and Alcoholism & National Institute of Nursing Research, Section of Sensory Science and Metabolism, Bethesda, MD, USA
| | - Paule V Joseph
- National Institutes on Alcohol Abuse and Alcoholism & National Institute of Nursing Research, Section of Sensory Science and Metabolism, Bethesda, MD, USA
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Schienle A, Osmani F, Schlintl C. Disgust Propensity and the Bitter Aftertaste Response. CHEMOSENS PERCEPT 2020. [DOI: 10.1007/s12078-020-09283-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Abstract
Introduction
A high level of disgust propensity (the general tendency to respond with the emotion of disgust to any given situation) is associated with an increased sensitivity to bitter taste. The present study examined the relationship between disgust propensity and the sensitivity to bitter aftertaste.
Methods
A total of 200 women rinsed their mouth with concentrated wormwood tea (Artemisia absinthium). The resulting aftertaste was evaluated (intensity of bitterness and disgust) every 15 s for 10 min. A multiple linear regression analysis was calculated to capture the association between aftertaste ratings and affective variables (e.g., disgust propensity, depression symptoms).
Results
Higher disgust propensity was associated with higher initial disgust ratings and faster reduction of disgust over time. Higher depression scores were associated with a slower disgust reduction.
Conclusion
We demonstrated that affective variables predict the temporal course of the wormwood aftertaste response. Having a higher disgust propensity was associated with a shortened disgust recovery.
Implications
A shortened disgust recovery may be adaptive because it enables faster processing of new disgust stimuli.
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Xie DX, Leland EM, Seal SM, Lin SY, Rowan NR. A Systematic Review and Meta-Analysis of Taste Dysfunction in Chronic Rhinosinusitis. Laryngoscope 2020; 131:482-489. [PMID: 32609889 DOI: 10.1002/lary.28827] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 04/29/2020] [Accepted: 05/19/2020] [Indexed: 01/27/2023]
Abstract
OBJECTIVES Patients with chronic rhinosinusitis (CRS) often describe alterations in sense of taste. These complaints have historically been attributed to olfactory dysfunction; however, there is evidence of direct, objective, gustatory disturbances in the setting of CRS that are not thoroughly characterized. This study sought to investigate and summarize gustatory dysfunction experienced by patients with CRS. METHODS PubMed, EMBASE, Cochrane Library, Web of Science, and Scopus databases were reviewed following PRISMA guidelines. English language, original studies investigating objective taste in adult patients with CRS were included. A meta-analysis with inverse variance, random-effects model was performed. RESULTS Of 2750 studies screened, 11 articles with 471 unique patients were included. Patients with CRS exhibit worse gustatory function compared to healthy controls (standardized mean difference 0.94 [95% CI, 0.44-1.45]). Hypogeusia was identified in 32/95 (33.7%) patients from three studies that used methods with a validated definition of hypogeusia. Older age, male gender, and smoking history were associated with taste dysfunction, while objective gustatory and olfactory dysfunction were not correlated. Subjective taste and quality of life measures were also not associated with objective taste. The impact of sinus surgery on objective taste is unclear. CONCLUSION Approximately 34% of patients with CRS experience hypogeusia. Neither olfactory function nor subjective taste were associated with objective gustatory function. Given the substantial prevalence of taste dysfunction patients with CRS, there is significant potential for growth in understanding of pathogenesis, impact on quality of life, and potential treatment strategies of taste impairment in the CRS patient population. LEVEL OF EVIDENCE 1 Laryngoscope, 131:482-489, 2021.
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Affiliation(s)
- Deborah X Xie
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University, Baltimore, Maryland, U.S.A
| | - Evelyn M Leland
- Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A
| | - Stella M Seal
- Welch Medical Library, Johns Hopkins University School of Medicine, Baltimore, Maryland, U.S.A
| | - Sandra Y Lin
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University, Baltimore, Maryland, U.S.A
| | - Nicholas R Rowan
- Department of Otolaryngology-Head and Neck Surgery, Johns Hopkins University, Baltimore, Maryland, U.S.A
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Lin C, Colquitt L, Wise P, Breslin PAS, Rawson NE, Genovese F, Maina I, Joseph P, Fomuso L, Slade L, Brooks D, Miclo A, Hayes JE, Sullo A, Reed DR. Studies of human twins reveal genetic variation that affects dietary fat perception. Chem Senses 2020; 45:bjaa036. [PMID: 32516399 PMCID: PMC7339080 DOI: 10.1093/chemse/bjaa036] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Indexed: 01/09/2023] Open
Abstract
To learn more about the mechanisms of human dietary fat perception, 398 human twins rated fattiness and liking for six types of potato chips that differed in triglyceride content (2.5, 5, 10, and 15% corn oil); reliability estimates were obtained from a subset (n = 50) who did the task twice. Some chips also had a saturated long-chain fatty acid (hexadecanoic acid, 16:0) added (0.2%) to evaluate its effect on fattiness and liking. We computed the heritability of these measures and conducted a genome-wide association study (GWAS) to identify regions of the genome that co-segregate with fattiness and liking. Perceived fattiness and liking for the potato chips were reliable (r = 0.31-0.62, p < 0.05) and heritable (up to h2 = 0.29, p < 0.001, for liking). Adding hexadecanoic acid to the potato chips significantly increased ratings of fattiness but decreased liking. Twins with the G allele of rs263429 near GATA3-AS1 or the G allele of rs8103990 within ZNF729 reported more liking for potato chips than did twins with the other allele (multivariate GWAS, p < 1×10-5), with results reaching genome-wide suggestive but not significance criteria. Person-to-person variation in the perception and liking of dietary fat was (a) negatively affected by the addition of a saturated fatty acid and (b) related to inborn genetic variants. These data suggest liking for dietary fat is not due solely to fatty acid content and highlight new candidate genes and proteins within this sensory pathway.
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Affiliation(s)
- Cailu Lin
- Monell Chemical Senses Center, Philadelphia, PA, USA
| | | | - Paul Wise
- Monell Chemical Senses Center, Philadelphia, PA, USA
| | | | | | | | - Ivy Maina
- Monell Chemical Senses Center, Philadelphia, PA, USA
| | - Paule Joseph
- Sensory Science and Metabolism Unit, Biobehavioral Branch, Division of Intramural Research, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, USA
| | | | - Louise Slade
- Food Polymer Science Consultancy, Morris Plains, NJ, USA
| | | | - Aurélie Miclo
- Monell Chemical Senses Center, Philadelphia, PA, USA
| | - John E Hayes
- Sensory Evaluation Center, and Department of Food Science, College of Agricultural Sciences, Pennsylvania State University, University Park, PA, USA
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Abstract
Taste is a homeostatic function that conveys valuable information, such as energy density, readiness to eat, or toxicity of foodstuffs. Taste is not limited to the oral cavity but affects multiple physiological systems. In this review, we outline the ergogenic potential of substances that impart bitter, sweet, hot and cold tastes administered prior to and during exercise performance and whether the ergogenic benefits of taste are attributable to the placebo effect. Carbohydrate mouth rinsing seemingly improves endurance performance, along with a potentially ergogenic effect of oral exposure to both bitter tastants and caffeine although subsequent ingestion of bitter mouth rinses is likely required to enhance performance. Hot and cold tastes may prove beneficial in circumstances where athletes' thermal state may be challenged. Efficacy is not limited to taste, but extends to the stimulation of targeted receptors in the oral cavity and throughout the digestive tract, relaying signals pertaining to energy availability and temperature to appropriate neural centres. Dose, frequency and timing of tastant application likely require personalisation to be most effective, and can be enhanced or confounded by factors that relate to the placebo effect, highlighting taste as a critical factor in designing and administering applied sports science interventions.
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42
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DeJesus JM, Gelman SA, Lumeng JC. Children's implicit food cognition: Developing a food Implicit Association Test. COGNITIVE DEVELOPMENT 2020; 54. [PMID: 32863571 DOI: 10.1016/j.cogdev.2020.100889] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Assessing children's reasoning about food, including their health knowledge and their food preferences, is an important step toward understanding how health messages may influence children's food choices. However, in many studies, assessing children's reasoning relies on parent report or could be susceptible to social pressure from adults. To address these limitations, the present study describes the development of a food version of the Implicit Association Test (IAT). The IAT has been used to examine children's implicit stereotypes about social groups, yet few studies have used the IAT in other domains (such as food cognition). Four- to 12-year-olds (n = 123) completed the food IAT and an explicit card sort task, in which children assessed foods based on their perception of the food's healthfulness (healthy vs. unhealthy) and palatability (yummy vs. yucky). Surprisingly, children demonstrated positive implicit associations towards vegetables. This pattern may reflect children's health knowledge, given that the accuracy of children's healthfulness ratings in the card sort task positively predicted children's food IAT d-scores. Implications for both food cognition and the IAT are discussed.
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Affiliation(s)
- Jasmine M DeJesus
- Department of Psychology, University of North Carolina at Greensboro
| | - Susan A Gelman
- Department of Psychology, University of Michigan.,Center for Human Growth and Development, University of Michigan
| | - Julie C Lumeng
- Center for Human Growth and Development, University of Michigan.,Division of Developmental and Behavioral Pediatrics, Department of Pediatrics, University of Michigan.,Department of Nutritional Sciences, School of Public Health, University of Michigan
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43
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The coffee drinking experience: Product extrinsic (atmospheric) influences on taste and choice. Food Qual Prefer 2020. [DOI: 10.1016/j.foodqual.2019.103802] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Spence C. Food and beverage flavour pairing: A critical review of the literature. Food Res Int 2020; 133:109124. [PMID: 32466920 DOI: 10.1016/j.foodres.2020.109124] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 02/22/2020] [Accepted: 02/23/2020] [Indexed: 01/13/2023]
Abstract
The recent explosion of interest in the topic of flavour pairing has been driven, at least in part, by the now-discredited food-pairing hypothesis, along with the emergence of the new field of computational gastronomy. Many chefs, sommeliers, mixologists, and drinks brands, not to mention a few food brands, have become increasingly interested in moving the discussions that they have with their consumers beyond the traditional focus solely on food and wine pairings. Here, two key approaches to pairing that might help to explain/justify those food and beverage combinations that the consumer is likely to appreciate are outlined. Historically-speaking, many conventional pairings emerged naturally from cultural/geographical matches, presumably internalized as semantic knowledge amongst consumers. In this review, such conventional pairings are framed as but one example of a cognitive/intellectual food-beverage strategy. The alternative approach to pairing that has become increasingly popular in recent years involves experts/commentators making recommendations based on the perceptual relationship, or interaction, between the component stimuli, be it one of perceived similarity, contrast, harmony, emergence, or modulation (either suppression or enhancement). Physicochemical accounts of pairing, based on the presence of shared flavour molecules (e.g., aromatic volatiles) in the to-be-combined flavours or ingredients, have also gained in popularity. Here, though, the latter approach is framed as an ultimately unsuccessful attempt to predict matches based on perceived similarity. This review summarizes the available evidence concerning food-beverage pairing and proposes a new dichotomy between intellectual/cognitive and perceptual pairing principles in the case of food-beverage matching.
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45
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Impact of Exercise Timing on Chemosensory Response, Appetite, and Energy Intake in Lean Males. Int J Sport Nutr Exerc Metab 2020; 30:145–152. [PMID: 32023541 DOI: 10.1123/ijsnem.2019-0237] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 10/18/2019] [Accepted: 11/11/2019] [Indexed: 11/18/2022]
Abstract
BACKGROUND High-intensity exercise can have an anorectic impact, leading to negative energy balance. Several studies have reported that the practice of physical activity could also cause a shift in perceptions and preferences, causing a change in food intakes. OBJECTIVE This study aimed to question to what extent the timing of exercise in relation to a meal could have an impact on olfaction and gustation, appetite, and food choices. METHODS Twelve males aged 25 (4) years with a body mass index of 22.4 (2.0) kg/m2 attended two experimental visits in a counterbalanced fashion. The participants consumed a standardized breakfast between 7:00 and 7:30 a.m. and were subjected to smell and taste tests upon arrival at the laboratory (8:30 a.m.). In the EX9:40 visit, the participants performed a 30-min exercise session (70% of maximum oxygen uptake) at 9:40 a.m., followed by a 90-min sedentary break. In EX10:30, the participants first took part in the 90-min sedentary break and then performed the 30-min exercise session at 10:30 a.m. Taste and smell tests were performed again at 11:40 a.m., immediately followed by an ad libitum buffet-style meal. Visual analog scales were used to report appetite sensations during the session and satiety quotients around the lunch. RESULTS There was no difference in energy intakes between the EX9:40 (596 [302] kcal) and EX10:30 (682 [263] kcal) conditions (p = .459). There was no condition effect for the taste and smell sensations (all ps > .05), appetite sensation, or satiety quotients around the meal (all ps > .05). CONCLUSION Exercise timing in the morning had no effect on taste and smell perceptions, appetite sensations, or energy intakes.
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del Moral RG. Gastronomic Paradigms in Contemporary Western Cuisine: From French Haute Cuisine to Mass Media Gastronomy. Front Nutr 2020; 6:192. [PMID: 31998740 PMCID: PMC6965057 DOI: 10.3389/fnut.2019.00192] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 12/12/2019] [Indexed: 12/26/2022] Open
Abstract
Thomas Kuhn brings the concept of "paradigm" as the fundamental engine in the progress of humanity. Kuhn defines paradigms as the set of formal theories, experiments and work methods that define a process (scientific, economic, social, and in this case, contemporary haute cuisine), in a given time. According to Kuhn, progress does not happen by gradual accumulation of knowledge, but rather by abrupt advances. In this review, the conceptual evolution experienced by contemporary gastronomy (from the French Revolution to today) is analyzed applying the paradigm structure in light of the scientific knowledge of each era. It is thus reviewed how the first and second gastronomic paradigms, proposed, respectively, by Carême and Escoffier and based on food smell and taste the first and the flavor of the sauces the second, have been replaced by the third and fourth paradigms, led, respectively, by the Nouvelle Cuisine in France and Ferrán Adriá in Spain, and in whose development touch, sight, and sound have become increasingly prominent in gastronomic pleasure. Finally, it is analyzed how new trends in gastronomy: (1) worldwide diffusion of the Spanish tapas; (2) globalization of ethnic and fusion cuisines; (3) the growing disappearance of the professional gastronomic critique and its replacement by mass media influencers; (4) the increase of sustainability in cooking with development of local-, vegan-, and paleo-cooking, comfort, and smart food and finally, (5) the growing role of social networks and the self-itis linked to photography or foodstagramming in the gastronomic experience are leading toward a new gastronomic paradigm based on the global socialization of classic gastronomy.
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Affiliation(s)
- Raimundo G. del Moral
- Department of Anatomical Pathology, Hospital San Cecilio, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria de Granada, Granada, Spain
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47
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An Evolutionary Perspective on the Impact of Genomic Copy Number Variation on Human Health. J Mol Evol 2019; 88:104-119. [PMID: 31522275 DOI: 10.1007/s00239-019-09911-6] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Accepted: 08/27/2019] [Indexed: 02/06/2023]
Abstract
Copy number variants (CNVs), deletions and duplications of segments of DNA, account for at least five times more variable base pairs in humans than single-nucleotide variants. Several common CNVs were shown to change coding and regulatory sequences and thus dramatically affect adaptive phenotypes involving immunity, perception, metabolism, skin structure, among others. Some of these CNVs were also associated with susceptibility to cancer, infection, and metabolic disorders. These observations raise the possibility that CNVs are a primary contributor to human phenotypic variation and consequently evolve under selective pressures. Indeed, locus-specific haplotype-level analyses revealed signatures of natural selection on several CNVs. However, more traditional tests of selection which are often applied to single-nucleotide variation often have diminished statistical power when applied to CNVs because they often do not show strong linkage disequilibrium with nearby variants. Recombination-based formation mechanisms of CNVs lead to frequent recurrence and gene conversion events, breaking the linkage disequilibrium involving CNVs. Similar methodological challenges also prevent routine genome-wide association studies to adequately investigate the impact of CNVs on heritable human disease. Thus, we argue that the full relevance of CNVs to human health and evolution is yet to be elucidated. We further argue that a holistic investigation of formation mechanisms within an evolutionary framework would provide a powerful framework to understand the functional and biomedical impact of CNVs. In this paper, we review several cases where studies reveal diverse evolutionary histories and unexpected functional consequences of CNVs. We hope that this review will encourage further work on CNVs by both evolutionary and medical geneticists.
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48
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49
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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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50
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Cui Y, Wu H, Li Q, Liao J, Gao P, Sun F, Zhang H, Lu Z, Wei X, He C, Ma T, Wei X, Chen X, Zheng H, Yang G, Liu D, Zhu Z. Impairment of Bitter Taste Sensor Transient Receptor Potential Channel M5-Mediated Aversion Aggravates High-Salt Intake and Hypertension. Hypertension 2019; 74:1021-1032. [PMID: 31401881 DOI: 10.1161/hypertensionaha.119.13358] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Excessive salt consumption leads to cardiovascular diseases. Despite various measures designed to reduce salt intake, daily salt intake remains at a high level. Appropriate salt intake is balanced by salt taste preference triggered by epithelium sodium channel and salt taste aversion evoked by bitter taste sensor, transient receptor potential channel M5 (TRPM5). However, the behavioral mechanism of excessive salt intake remains largely elusive. In this study, wild type and TRPM5-/- mice were applied to study the influence of high-salt administration on epithelium sodium channel/TRPM5 and the associated behavior to salt consumption. We found that long-term high-salt intake impaired the aversive behavior to high-salt stimulation but did not alter the preference to low salt in mice. The mechanistic evidence demonstrated that high-salt intake blunted the TRPM5-mediated aversive behavior to noxious salt stimulation through inhibiting PKC (protein kinase C) activity and PKC-dependent threonine phosphorylation in the tongue epithelium but did not affect the epithelium sodium channel-dependent salt taste preference. Inhibition of TRPM5 also resulted in an impaired aversive response to high salt, with reduced taste perception in bitter cortical field of mice. TRPM5-/- mice showed a lowered aversion to high-salt diet and developed salt-induced hypertension. The impaired perception to bitter taste evoked by high-salt intake also existed in hypertensive patients with high-salt consumption. We demonstrate that long-term high-salt consumption impairs aversive response to concentrated salt by downregulating bitter taste sensor TRPM5. It suggests that enhancing TRPM5 function might antagonize excessive salt intake and high salt-induced hypertension.
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Affiliation(s)
- Yuanting Cui
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Chongqing Institute of Hypertension (Y.C., H.W., Q.L., J.L., P.G., F.S., H.Z., Z.L., X.W., C.H., T.M., X.W., D.L., Z.Z.), Third Military Medical University, China
| | - Hao Wu
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Chongqing Institute of Hypertension (Y.C., H.W., Q.L., J.L., P.G., F.S., H.Z., Z.L., X.W., C.H., T.M., X.W., D.L., Z.Z.), Third Military Medical University, China
| | - Qiang Li
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Chongqing Institute of Hypertension (Y.C., H.W., Q.L., J.L., P.G., F.S., H.Z., Z.L., X.W., C.H., T.M., X.W., D.L., Z.Z.), Third Military Medical University, China
| | - Jianwen Liao
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Chongqing Institute of Hypertension (Y.C., H.W., Q.L., J.L., P.G., F.S., H.Z., Z.L., X.W., C.H., T.M., X.W., D.L., Z.Z.), Third Military Medical University, China
| | - Peng Gao
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Chongqing Institute of Hypertension (Y.C., H.W., Q.L., J.L., P.G., F.S., H.Z., Z.L., X.W., C.H., T.M., X.W., D.L., Z.Z.), Third Military Medical University, China
| | - Fang Sun
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Chongqing Institute of Hypertension (Y.C., H.W., Q.L., J.L., P.G., F.S., H.Z., Z.L., X.W., C.H., T.M., X.W., D.L., Z.Z.), Third Military Medical University, China
| | - Hexuan Zhang
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Chongqing Institute of Hypertension (Y.C., H.W., Q.L., J.L., P.G., F.S., H.Z., Z.L., X.W., C.H., T.M., X.W., D.L., Z.Z.), Third Military Medical University, China
| | - Zongshi Lu
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Chongqing Institute of Hypertension (Y.C., H.W., Q.L., J.L., P.G., F.S., H.Z., Z.L., X.W., C.H., T.M., X.W., D.L., Z.Z.), Third Military Medical University, China
| | - Xiao Wei
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Chongqing Institute of Hypertension (Y.C., H.W., Q.L., J.L., P.G., F.S., H.Z., Z.L., X.W., C.H., T.M., X.W., D.L., Z.Z.), Third Military Medical University, China
| | - Chengkang He
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Chongqing Institute of Hypertension (Y.C., H.W., Q.L., J.L., P.G., F.S., H.Z., Z.L., X.W., C.H., T.M., X.W., D.L., Z.Z.), Third Military Medical University, China
| | - Tianyi Ma
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Chongqing Institute of Hypertension (Y.C., H.W., Q.L., J.L., P.G., F.S., H.Z., Z.L., X.W., C.H., T.M., X.W., D.L., Z.Z.), Third Military Medical University, China
| | - Xing Wei
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Chongqing Institute of Hypertension (Y.C., H.W., Q.L., J.L., P.G., F.S., H.Z., Z.L., X.W., C.H., T.M., X.W., D.L., Z.Z.), Third Military Medical University, China
| | - Xiaowei Chen
- Brain Research Center (X.C.), Third Military Medical University, China
| | - Hongting Zheng
- Department of Endocrinology, Translational Research Key Laboratory for Diabetes, Xinqiao Hospital (H.Z.), Third Military Medical University, China
| | - Gangyi Yang
- Department of Endocrinology, The Second Affiliated Hospital, Chongqing Medical University, China (G.Y.)
| | - Daoyan Liu
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Chongqing Institute of Hypertension (Y.C., H.W., Q.L., J.L., P.G., F.S., H.Z., Z.L., X.W., C.H., T.M., X.W., D.L., Z.Z.), Third Military Medical University, China
| | - Zhiming Zhu
- From the Department of Hypertension and Endocrinology, Center for Hypertension and Metabolic Diseases, Daping Hospital, Chongqing Institute of Hypertension (Y.C., H.W., Q.L., J.L., P.G., F.S., H.Z., Z.L., X.W., C.H., T.M., X.W., D.L., Z.Z.), Third Military Medical University, China
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