1
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Song X, Qian S, Li H, Shen Y, Bian D, Shan K, Shi J. Study on the evaluation method of cigarette astringency in the simulated oral environment. J Texture Stud 2024; 55:e12837. [PMID: 38702991 DOI: 10.1111/jtxs.12837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 04/02/2024] [Accepted: 04/10/2024] [Indexed: 05/06/2024]
Abstract
Cigarettes with pronounced astringency can diminish consumers' enjoyment. However, due to the complex composition of cigarettes, quantifying astringency intensity accurately has been challenging. To address this, research was conducted to develop a method for assessing astringency intensity in a simulated oral environment. The astringency intensity of four cigarette brands was determined using the standard sensory evaluation method. The mainstream smoke absorbing solution (MS) was prepared by simulating the cigarette smoking process, and its physicochemical properties (such as total phenol content and pH levels) were analyzed. The lubrication properties of the five solutions were tested using the MFT-5000 wear tester, and factors influencing cigarette astringency were examined. The findings showed that total phenol content and pH of MS were positively and negatively correlated with astringency intensity, respectively. Particularly, the lubrication properties of MS were significantly correlated with astringency intensity, and the correlation coefficient was affected by load and speed during testing. The study concluded that coefficient of friction was a more reliable measure for assessing the extent of astringency in cigarettes than the total phenol content and pH of MS, offering new insights into astringency evaluation and development of high-grade cigarettes.
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Affiliation(s)
- Xiaofei Song
- School of Mechanical Engineering, Jiangnan University, Wuxi, China
| | - Shanhua Qian
- School of Mechanical Engineering, Jiangnan University, Wuxi, China
- Jiangsu Key Laboratory of Advanced Food Manufacturing Equipment and Technology, Jiangnan University, Wuxi, China
| | - Hui Li
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
| | - Yujun Shen
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
| | - Da Bian
- School of Mechanical Engineering, Jiangnan University, Wuxi, China
| | - Kai Shan
- Hongta Liaoning Tobacco Co., Ltd, Shenyang, China
| | - Jingquan Shi
- Hongta Liaoning Tobacco Co., Ltd, Shenyang, China
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2
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Agorastos G, van Uitert E, van Halsema E, Scholten E, Bast A, Klosse P. The effect of cations and epigallocatechin gallate on in vitro salivary lubrication. Food Chem 2024; 430:136968. [PMID: 37527573 DOI: 10.1016/j.foodchem.2023.136968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 06/28/2023] [Accepted: 07/20/2023] [Indexed: 08/03/2023]
Abstract
Ionic valency influences oral processing by changing salivary behavior and merits more attention since little is known. In this study, the influence of three ionic valences (monovalent, divalent and trivalent), ionic strength and epigallocatechin gallate (EGCG) on lubricating properties of saliva were investigated. Tribological measurements were used to characterize the lubrication response of KCl, MgCl2, FeCl3, and AlCl3 in combination with EGCG to the ex vivo salivary pellicle. KCl at 150 mM ionic strength provided extra lubrication via hydration lubrication. Contrarily, trivalent salts aggregated together with the salivary mucins via ionic cross-link interactions, which led to a decrease in salivary lubrication. FeCl3 and AlCl3 affected the salivary lubrication differently, which was attributed to changes in the pH. Finally, in presence of EGCG, FeCl3 interacted with EGCG via chelating interactions, preventing salivary protein aggregation. This resulted in less desorption of the salivary film, retaining the lubrication ability of salivary proteins.
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Affiliation(s)
- Georgios Agorastos
- Faculty of Science and Engineering, Campus Venlo, Maastricht University, Nassaustraat 36, 5911 BV Venlo, the Netherlands; T.A.S.T.E. Foundation, 6611 KS, Garstkampsestraat 11, Overasselt, the Netherlands; Physics and Physical Chemistry of Food, Wageningen University, Bornse Weilanden 9, 6708 PG Wageningen, the Netherlands.
| | - Eva van Uitert
- Physics and Physical Chemistry of Food, Wageningen University, Bornse Weilanden 9, 6708 PG Wageningen, the Netherlands
| | - Emo van Halsema
- T.A.S.T.E. Foundation, 6611 KS, Garstkampsestraat 11, Overasselt, the Netherlands
| | - Elke Scholten
- Physics and Physical Chemistry of Food, Wageningen University, Bornse Weilanden 9, 6708 PG Wageningen, the Netherlands
| | - Aalt Bast
- Faculty of Science and Engineering, Campus Venlo, Maastricht University, Nassaustraat 36, 5911 BV Venlo, the Netherlands
| | - Peter Klosse
- T.A.S.T.E. Foundation, 6611 KS, Garstkampsestraat 11, Overasselt, the Netherlands
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3
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Wang S, Smyth HE, Olarte Mantilla SM, Stokes JR, Smith PA. Astringency and its sub-qualities: a review of astringency mechanisms and methods for measuring saliva lubrication. Chem Senses 2024; 49:bjae016. [PMID: 38591722 DOI: 10.1093/chemse/bjae016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Indexed: 04/10/2024] Open
Abstract
Astringency is an important mouthfeel attribute that influences the sensory experiences of many food and beverage products. While salivary lubricity loss and increased oral friction were previously believed to be the only astringency mechanisms, recent research has demonstrated that nontactile oral receptors can trigger astringency by responding to astringents without mechanical stimulation. Various human factors have also been identified that affect individual responses to astringents. This article presents a critical review of the key research milestones contributing to the current understanding of astringency mechanisms and the instrumental approaches used to quantify perceived astringency intensity. Although various chemical assays or physical measures mimic in-mouth processes involved in astringent mouthfeel, this review highlights how one chemical or physical approach can only provide a single measure of astringency determined by a specific mechanism. Subsequently, using a single measurement to predict astringency perception is overly idealistic. Astringency has not been quantified beyond the loss of saliva lubrication; therefore, nontactile receptor-based responses must also be explored. An important question remains about whether astringency is a single perception or involves distinct sub-qualities such as pucker, drying, and roughness. Although these sub-quality lexicons have been frequently cited, most studies currently view astringency as a single perception rather than dividing it into sub-qualities and investigating the potentially independent mechanisms of each. Addressing these knowledge gaps should be an important priority for future research.
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Affiliation(s)
- Shaoyang Wang
- Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Indooroopilly, QLD 4068, Australia
| | - Heather E Smyth
- Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Indooroopilly, QLD 4068, Australia
| | - Sandra M Olarte Mantilla
- Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Indooroopilly, QLD 4068, Australia
| | - Jason R Stokes
- School of Chemical Engineering, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Paul A Smith
- Wine Australia, P.O. Box 2733, Kent Town, SA 5071, Australia
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4
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Mehta A, Kumar L, Serventi L, Schlich P, Torrico DD. Exploring the textural dynamics of dairy and plant-based yoghurts: A comprehensive study. Food Res Int 2023; 171:113058. [PMID: 37330857 DOI: 10.1016/j.foodres.2023.113058] [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: 12/25/2022] [Revised: 03/29/2023] [Accepted: 05/26/2023] [Indexed: 06/19/2023]
Abstract
The mouthfeel and texture of dairy and non-dairy yoghurts play a critical role in food acceptance and liking. The present study aimed to understand the oral perception of commercially available dairy and non-dairy yoghurts. Four dairy and four non-dairy yoghurts with different levels of protein and fat were analyzed to understand the impact of particle size, textural properties and frictional coefficient on the dynamic sensory mouthfeel characteristics measured by the temporal dominance of sensations (TDS) method. Differences in friction coefficients of dairy and non-dairy yoghurts were observed. The friction factor was lower for high-fat dairy yoghurts than for non-dairy yoghurts. The particle size d90 in yoghurts was positively related to graininess perception (r=0.81) and negatively associated with mouthfeel liking (r=-0.87) and overall liking (r=-0.80). For the TDS results, "creaminess" and "thickness" were significantly dominant for dairy yoghurts, while "melty" and "easy to dissolve" were dominant attributes for non-dairy yoghurts. Creaminess perception improves the mouthfeel liking (r=0.72) and overall liking (r=0.59) of yoghurts and is the driver of liking. The findings of this study help understand the intrinsic mouthfeel properties of commercial dairy and non-dairy yoghurts, which will provide valuable insight to product developers during the new product formulation.
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Affiliation(s)
- Annu Mehta
- Department of Wine, Food and Molecular Biosciences, Lincoln University, Lincoln 7647, New Zealand
| | - Lokesh Kumar
- Department of Wine, Food and Molecular Biosciences, Lincoln University, Lincoln 7647, New Zealand.
| | - Luca Serventi
- Department of Wine, Food and Molecular Biosciences, Lincoln University, Lincoln 7647, New Zealand
| | - Pascal Schlich
- Centre des Sciences du Goût et de l'Alimentation, CNRS, INRAE, Institut Agro, Université de Bourgogne Franche-Comté, F-21000 Dijon, France
| | - Damir Dennis Torrico
- Department of Wine, Food and Molecular Biosciences, Lincoln University, Lincoln 7647, New Zealand.
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5
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Melo LFMD, Aquino-Martins VGDQ, Silva APD, Oliveira Rocha HA, Scortecci KC. Biological and pharmacological aspects of tannins and potential biotechnological applications. Food Chem 2023; 414:135645. [PMID: 36821920 DOI: 10.1016/j.foodchem.2023.135645] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 01/29/2023] [Accepted: 02/04/2023] [Indexed: 02/09/2023]
Abstract
Secondary metabolites are divided into three classes: phenolic, terpenoid, and nitrogenous compounds. Phenolic compounds are also known as polyphenols and include tannins, classified as hydrolysable or condensed. Herein, we explored tannins for their ROS reduction characteristics and role in homeostasis. These activities are associated with the numbers and degree of polymerisation of reactive hydroxyl groups present in the phenolic rings of tannins. These characteristics are associated with anti-inflammatory, anti-aging, and anti-proliferative health benefits. Tannins can reduce the risk of cancer and neurodegenerative diseases, such as cardiovascular diseases and Alzheimer's, respectively. These biomolecules may be used as nutraceuticals to maintain good gut microbiota. Industrial applications include providing durability to leather, anti-corrosive properties to metals, and substrates for 3D printing and in bio-based foam manufacture. This review updates regarding tannin-based research and highlights its biological and pharmacological relevance and potential applications.
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Affiliation(s)
- Luciana Fentanes Moura de Melo
- Departamento de Biologia Celular e Genética - Centro de Biociências, Universidade Federal do Rio Grande do Norte, Campus Universitário UFRN, 59072-970, Bairro Lagoa Nova, Natal, RN, Brazil; Programa de Pós-Graduação em Bioquímica e Biologia Molecular, Centro de Biociências, Universidade Federal do Rio Grande do Norte, Campus Universitário UFRN, 59078-970, Bairro Lagoa Nova, Natal, RN, Brazil
| | - Verônica Giuliani de Queiroz Aquino-Martins
- Departamento de Biologia Celular e Genética - Centro de Biociências, Universidade Federal do Rio Grande do Norte, Campus Universitário UFRN, 59072-970, Bairro Lagoa Nova, Natal, RN, Brazil; Programa de Pós-Graduação em Bioquímica e Biologia Molecular, Centro de Biociências, Universidade Federal do Rio Grande do Norte, Campus Universitário UFRN, 59078-970, Bairro Lagoa Nova, Natal, RN, Brazil
| | - Ariana Pereira da Silva
- Departamento de Biologia Celular e Genética - Centro de Biociências, Universidade Federal do Rio Grande do Norte, Campus Universitário UFRN, 59072-970, Bairro Lagoa Nova, Natal, RN, Brazil; Programa de Pós-Graduação em Bioquímica e Biologia Molecular, Centro de Biociências, Universidade Federal do Rio Grande do Norte, Campus Universitário UFRN, 59078-970, Bairro Lagoa Nova, Natal, RN, Brazil
| | - Hugo Alexandre Oliveira Rocha
- Programa de Pós-Graduação em Bioquímica e Biologia Molecular, Centro de Biociências, Universidade Federal do Rio Grande do Norte, Campus Universitário UFRN, 59078-970, Bairro Lagoa Nova, Natal, RN, Brazil; Departamento de Bioquímica - Centro de Biociências, Universidade Federal do Rio Grande do Norte, Campus Universitário UFRN, 59078-970, Bairro Lagoa Nova, Natal, RN, Brazil
| | - Katia Castanho Scortecci
- Departamento de Biologia Celular e Genética - Centro de Biociências, Universidade Federal do Rio Grande do Norte, Campus Universitário UFRN, 59072-970, Bairro Lagoa Nova, Natal, RN, Brazil; Programa de Pós-Graduação em Bioquímica e Biologia Molecular, Centro de Biociências, Universidade Federal do Rio Grande do Norte, Campus Universitário UFRN, 59078-970, Bairro Lagoa Nova, Natal, RN, Brazil.
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6
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Qi MY, Huang YC, Song XX, Ling MQ, Zhang XK, Duan CQ, Lan YB, Shi Y. Artificial saliva precipitation index (ASPI): An efficient evaluation method of wine astringency. Food Chem 2023; 413:135628. [PMID: 36750006 DOI: 10.1016/j.foodchem.2023.135628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 01/02/2023] [Accepted: 01/30/2023] [Indexed: 02/04/2023]
Abstract
Astringency is one of the most important organoleptic characteristics of red wines, and its intensity evaluation method has been the focus of research in recent years. An artificial saliva system was developed to establish an accurate and reliable evaluation method for the astringency intensity of dry red wines based on saliva precipitation index (SPI). To achieve this, five key protein families, which presented high reactivities and sensitivities in protein-tannin binding reactions, were selected from human whole saliva. The concentrations of the five proteins (proline-rich protein, α-amylase, lactoferrin, lysozyme, and albumin) and pH were optimized using response surface methodology based on the human salivary conditions to simulate the real salivary environment. The artificial saliva precipitation index method was applied to 60 commercial dry red wines and it exhibited a high correlation (CoefASPI = 0.94) with the sensory scores, indicating better performance than the traditional SPI method and other analytical approaches.
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Affiliation(s)
- Meng-Yao Qi
- Center for Viticulture & Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing 100083, China
| | - Yong-Ce Huang
- Center for Viticulture & Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing 100083, China
| | - Xi-Xian Song
- Center for Viticulture & Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing 100083, China
| | - Meng-Qi Ling
- Center for Viticulture & Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing 100083, China
| | - Xin-Ke Zhang
- Center for Viticulture & Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing 100083, China; Food Science and Engineering College, Beijing University of Agriculture, Beijing 102206, China; "The Belt and Road" International Institute of Grape and Wine Industry Innovation, Beijing University of Agriculture, Beijing 102206, China
| | - Chang-Qing Duan
- Center for Viticulture & Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing 100083, China
| | - Yi-Bin Lan
- Center for Viticulture & Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing 100083, China
| | - Ying Shi
- Center for Viticulture & Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing 100083, China.
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7
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Paissoni MA, Motta G, Giacosa S, Rolle L, Gerbi V, Río Segade S. Mouthfeel subqualities in wines: A current insight on sensory descriptors and physical-chemical markers. Compr Rev Food Sci Food Saf 2023; 22:3328-3365. [PMID: 37282812 DOI: 10.1111/1541-4337.13184] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 05/06/2023] [Accepted: 05/15/2023] [Indexed: 06/08/2023]
Abstract
Astringency and more generally mouthfeel perception are relevant to the overall quality of the wine. However, their origin and description are still uncertain and are constantly updating. Additionally, the terminology related to mouthfeel properties is expansive and extremely diversified, characterized by common traditional terms as well as novel recently adopted descriptors. In this context, this review evaluated the mention frequency of astringent subqualities and other mouthfeel attributes in the scientific literature of the last decades (2000-August 17, 2022). One hundred and twenty-five scientific publications have been selected and classified based on wine typology, aim, and instrumental-sensorial methods adopted. Dry resulted as the most frequent astringent subquality (10% for red wines, 8.6% for white wines), while body-and related terms-is a common mouthfeel sensation for different wine types, although its concept is still vague. Alongside, promising analytical and instrumental techniques investigating and simulating the in-mouth properties are discussed in detail, such as rheology for the viscosity and tribology for the lubrication loss, as well as the different approaches for the quantitative and qualitative evaluation of the interaction between salivary proteins and astringency markers. A focus on the phenolic compounds involved in the tactile perception was conducted, with tannins being the compounds conventionally found responsible for astringency. Nevertheless, other non-tannic polyphenolic classes (i.e., flavonols, phenolic acids, anthocyanins, anthocyanin-derivative pigments) as well as chemical-physical factors and the wine matrix (i.e., polysaccharides, mannoproteins, ethanol, glycerol, and pH) can also contribute to the wine in-mouth sensory profile. An overview of mouthfeel perception, factors involved, and its vocabulary is useful for enologists and consumers.
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Affiliation(s)
- Maria Alessandra Paissoni
- Dipartimento di Scienze Agrarie, Forestali e Alimentari, Università degli Studi di Torino, Alba, Italy
| | - Giulia Motta
- Dipartimento di Scienze Agrarie, Forestali e Alimentari, Università degli Studi di Torino, Alba, Italy
| | - Simone Giacosa
- Dipartimento di Scienze Agrarie, Forestali e Alimentari, Università degli Studi di Torino, Alba, Italy
| | - Luca Rolle
- Dipartimento di Scienze Agrarie, Forestali e Alimentari, Università degli Studi di Torino, Alba, Italy
| | - Vincenzo Gerbi
- Dipartimento di Scienze Agrarie, Forestali e Alimentari, Università degli Studi di Torino, Alba, Italy
| | - Susana Río Segade
- Dipartimento di Scienze Agrarie, Forestali e Alimentari, Università degli Studi di Torino, Alba, Italy
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8
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Martin LE, Gutierrez VA, Torregrossa AM. The role of saliva in taste and food intake. Physiol Behav 2023; 262:114109. [PMID: 36740133 DOI: 10.1016/j.physbeh.2023.114109] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/28/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023]
Abstract
Saliva is well-described in oral food processing, but its role in taste responsiveness remains understudied. Taste stimuli must dissolve in saliva to reach their receptor targets. This allows the constituents of saliva the opportunity to interact with taste stimuli and their receptors at the most fundamental level. Yet, despite years of correlational data suggesting a role for salivary proteins in food preference, there were few experimental models to test the role of salivary proteins in taste-driven behaviors. Here we review our experimental contributions to the hypothesis that salivary proteins can alter taste function. We have developed a rodent model to test how diet alters salivary protein expression, and how salivary proteins alter diet acceptance and taste. We have found that salivary protein expression is modified by diet, and these diet-induced proteins can, in turn, increase the acceptance of a bitter diet. The change in acceptance is in part mediated by a change in taste signaling. Critically, we have documented increased detection threshold, decreased taste nerve signaling, and decreased oromotor responding to quinine when animals have increases in a subset of salivary proteins compared to control conditions.
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Affiliation(s)
- Laura E Martin
- Department of Food Science and Technology, Oregon State University, Corvallis, OR, 97331, USA
| | | | - Ann-Marie Torregrossa
- Department of Psychology, State University of New York at Buffalo, Buffalo, New York, 14216, USA; University at Buffalo Center for Ingestive Behavior Research, Buffalo, New York, 14216, USA.
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9
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de Jesus M, Guerreiro C, Brandão E, Mateus N, de Freitas V, Soares S. Study of Serial Exposures of an Astringent Green Tea Flavonoid Extract with Oral Cell-Based Models. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:2070-2081. [PMID: 36652684 DOI: 10.1021/acs.jafc.2c01918] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
It is well known that repeated exposure to phenolic compounds (PCs) raises astringency perception. However, the link between this increase and the oral cavity's interactions with salivary proteins (SPs) and other oral constituents is unknown. To delve deeper into this connection, a flavonoid-rich green tea extract was tested in a series of exposures to two oral cell-based models using a tongue cell line (HSC3) and a buccal mucosa cell line (TR146). Serial exposures show cumulative PC binding to all oral models at all concentrations of the green tea extract; however, the contribution for the first and second exposures varies. The tongue mucosal pellicle (HSC3-Mu-SP) may contribute more to first-stage astringency (retaining 0.15 ± 0.01 mg mL-1 PCs at the first exposure), whereas the buccal mucosal pellicle (TR146-Mu-SP) retained significantly less (0.08 ± 0.02 mg mL-1). Additionally, increased salivary volume (SV+), which simulates the stimulation of salivary flow brought by a food stimulus, significantly enhances PC binding, particularly for TR146 cells: TR46-Mu-SP_SV+ bound significantly higher total PC concentration (0.17 ± 0.02 mg mL-1) than the model without increased salivary volume TR146-Mu-SP_SV- (0.09 ± 0.03 mg mL-1). This could be associated with a higher contribution of these oral cells for astringency perception during repeated exposures. Furthermore, PCs adsorbed in the first exposure to cell monolayer models (+TR146 and +HSC3) change the profile of PCs bound to these models in the second exposure. Regarding the structure binding activity, PCs with a total higher number of hydroxyl groups were more bound by the models containing SP. Regarding the SP, basic proline-rich proteins (bPRPs) may be involved in the increased perception of astringency upon repeated exposures. The extent of bPRP precipitation by PCs in mucosal pellicle models for both cell lines (HSC3 and TR146) in the second exposure (76 ± 13 and 83 ± 6%, respectively) was significantly higher than in the first one (25 ± 14 and 5 ± 6%, respectively).
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Affiliation(s)
- Mónica de Jesus
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade Do Porto, Rua do Campo Alegre, Porto 689, Portugal
| | - Carlos Guerreiro
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade Do Porto, Rua do Campo Alegre, Porto 689, Portugal
| | - Elsa Brandão
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade Do Porto, Rua do Campo Alegre, Porto 689, Portugal
| | - Nuno Mateus
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade Do Porto, Rua do Campo Alegre, Porto 689, Portugal
| | - Victor de Freitas
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade Do Porto, Rua do Campo Alegre, Porto 689, Portugal
| | - Susana Soares
- REQUIMTE/LAQV, Departamento de Química e Bioquímica, Faculdade de Ciências da Universidade Do Porto, Rua do Campo Alegre, Porto 689, Portugal
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10
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Agorastos G, van Nielen O, van Halsema E, Scholten E, Bast A, Klosse P. Lubrication behavior of ex-vivo salivary pellicle influenced by tannins, gallic acid and mannoproteins. Heliyon 2022; 8:e12347. [PMID: 36582694 PMCID: PMC9793261 DOI: 10.1016/j.heliyon.2022.e12347] [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: 10/05/2022] [Revised: 12/03/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022] Open
Abstract
The objective of this study was to investigate the influence of tannins and gallic acid on the salivary lubrication behavior. Furthermore, the effects of pH and mannoproteins in combination with gallic acid on the lubrication of saliva were studied. The addition of gallic acid and tannins were found to increase friction caused by the removal of the saliva film. Tannins resulted in higher friction compared to gallic acid. Lowering pH increased friction of gallic acid mixtures with saliva, due to stronger interactions between gallic acid and saliva. The increased friction caused by gallic acid was inhibited by the addition of mannoproteins due to the hydrogen bond interactions between gallic acid and mannoproteins, thereby decreasing the complex formation between gallic acid and salivary proteins. A correlation of 0.96 was found between the hydrodynamic diameter of the aggregate and the delta friction suggesting that the formation of aggregates determined the lubrication behavior.
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Affiliation(s)
- Georgios Agorastos
- Faculty of Science and Engineering Department, Maastricht University, Nassaustraat 36, 5911 BV, Venlo, the Netherlands
- T.A.S.T.E. Foundation, Garstkampsestraat 11, Overasselt, 6611 KS, the Netherlands
- Corresponding author.
| | - Olaf van Nielen
- Physics and Physical Chemistry of Food, Wageningen University, Bronse Weilanden 9, Wageningen, the Netherlands
| | - Emo van Halsema
- T.A.S.T.E. Foundation, Garstkampsestraat 11, Overasselt, 6611 KS, the Netherlands
| | - Elke Scholten
- Physics and Physical Chemistry of Food, Wageningen University, Bronse Weilanden 9, Wageningen, the Netherlands
| | - Aalt Bast
- Faculty of Science and Engineering Department, Maastricht University, Nassaustraat 36, 5911 BV, Venlo, the Netherlands
| | - Peter Klosse
- T.A.S.T.E. Foundation, Garstkampsestraat 11, Overasselt, 6611 KS, the Netherlands
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11
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Huang R, Fang W, Xie X, Liu Y, Xu C. Identification of key astringent compounds in aronia berry juice. Food Chem 2022; 393:133431. [PMID: 35751215 DOI: 10.1016/j.foodchem.2022.133431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 05/15/2022] [Accepted: 06/06/2022] [Indexed: 11/19/2022]
Abstract
Aronia berry has extremely strong and unpleasant astringent mouthfeel. However, detailed information on the key astringent compounds is still limited. To fill this gap, astringent compounds were firstly separated from aronia juice. Following sensory evaluation, phenolic profile determination, validation by in-vitro models, and thiolytic degradation, key astringent compounds were identified. Results showed when most proanthocyanidins (PAs) were removed while other phenolic compounds remained, the astringency intensity of aronia juice was significantly decreased. In-vitro models, including saliva precipitation index and mucin turbidity, validated PAs rather than anthocyanins as the key astringent compounds. The protein-precipitated PAs from aronia juice were identified as polymers, linked by B-type bonds, with (-)-epicatechin as the extension unit and predominantly as the terminal unit, having a 69.56 mean degree of polymerization (mDP), far higher than the 35.38 mDP of PAs separated directly from juice. These findings would be valuable to the development of targeted astringency mitigation approaches.
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Affiliation(s)
- Rui Huang
- The Food Processing Center, Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Wei Fang
- The Food Processing Center, Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, NE 68588, USA; Hubei Biopesticide Engineering Research Center, Hubei Academy of Agricultural Sciences, Wuhan, Hubei 430064, China
| | - Xiaoqing Xie
- The Food Processing Center, Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Yutong Liu
- The Food Processing Center, Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Changmou Xu
- The Food Processing Center, Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, NE 68588, USA.
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12
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Protein-induced delubrication: How plant-based and dairy proteins affect mouthfeel. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2022.107975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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Deng S, Zhang G, Olayemi Aluko O, Mo Z, Mao J, Zhang H, Liu X, Ma M, Wang Q, Liu H. Bitter and astringent substances in green tea: composition, human perception mechanisms, evaluation methods and factors influencing their formation. Food Res Int 2022; 157:111262. [DOI: 10.1016/j.foodres.2022.111262] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 04/14/2022] [Accepted: 04/17/2022] [Indexed: 12/01/2022]
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14
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Paul V, Tripathi AD, Agarwal A, Kumar P, Rai DC. Tribology – Novel oral processing tool for sensory evaluation of food. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2022.113270] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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15
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González-Muñoz B, Garrido-Vargas F, Pavez C, Osorio F, Chen J, Bordeu E, O'Brien JA, Brossard N. Wine astringency: more than just tannin-protein interactions. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:1771-1781. [PMID: 34796497 DOI: 10.1002/jsfa.11672] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 09/22/2021] [Accepted: 11/19/2021] [Indexed: 06/13/2023]
Abstract
Red wines are characterized by their astringency, a very important sensory attribute that affects the perceived quality of wines. Three mechanisms have been proposed to explain astringency, and two theories describe how these mechanisms work in an integrated manner to produce tactile sensations such as drying, roughening, shrinking and puckering. The factors involved include not only tannins and salivary proteins, but also anthocyanins, grape polysaccharides and mannoproteins, as well as other wine matrix components that modulate their interactions. These multifactorial interactions could be responsible for different sensory responses and therefore need to be further studied. This review presents the latest advances in astringency perception and its possible origins, with special attention on the interactions of components, their impact on oral perception and the development of astringency sub-qualities. Future research efforts should concentrate on understanding the mechanisms involved as well as on the limiting factors related to the conformation and stability of the tannin-salivary protein complexes. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Beatriz González-Muñoz
- Departamento de Fruticultura y Enología, Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Chile
- Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Fernanda Garrido-Vargas
- Departamento de Fruticultura y Enología, Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Chile
- Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Carolina Pavez
- Departamento de Fruticultura y Enología, Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Fernando Osorio
- Departamento de Ciencia y Tecnología de Alimentos, Facultad Tecnológica, Universidad de Santiago de Chile, Santiago, Chile
| | - Jianshe Chen
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, P. R. China
| | - Edmundo Bordeu
- Departamento de Fruticultura y Enología, Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - José A O'Brien
- Departamento de Fruticultura y Enología, Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Chile
- Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Natalia Brossard
- Departamento de Fruticultura y Enología, Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Chile
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Abstract
Food oral processing (FOP) is a fast-emerging research area in the food science discipline. Since its first introduction about a decade ago, a large amount of literature has been published in this area, forming new frontiers and leading to new research opportunities. This review aims to summarize FOP research progress from current perspectives. Food texture, food flavor (aroma and taste), bolus swallowing, and eating behavior are covered in this review. The discussion of each topic is organized into three parts: a short background introduction, reflections on current research findings and achievements, and future directions and implications on food design. Physical, physiological, and psychological principles are the main concerns of discussion for each topic. The last part of the review shares views on the research challenges and outlooks of future FOP research. It is hoped that the review not only helps readers comprehend what has been achieved in the past decade but also, more importantly, identify where the knowledge gaps are and in which direction the FOP research will go.
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Affiliation(s)
- Yue He
- Laboratory of Food Oral Processing, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, China;
| | - Xinmiao Wang
- Laboratory of Food Oral Processing, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, China;
| | - Jianshe Chen
- Laboratory of Food Oral Processing, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, China;
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Chong PH, Chen J, Yin D, Qin L. Tea compound-saliva interactions and their correlations with sweet aftertaste. NPJ Sci Food 2022; 6:13. [PMID: 35140228 PMCID: PMC8828886 DOI: 10.1038/s41538-022-00123-9] [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: 03/15/2021] [Accepted: 12/23/2021] [Indexed: 11/23/2022] Open
Abstract
Huigan is an important sensory attribute which is commonly used as a quality indicator evaluation of tea products. Previous studies showed a strong correlation between the lubrication behavior of saliva-tea compound mixture and the sensory perception of Huigan from trained panelists. This work was further designed to investigate how the effect of tea consumption on the rate of saliva secretion and its functional properties including total protein content of saliva (TPC), salivary α-amylase (AMY) and lipase activity (LP). A quartz crystal microbalance with dissipation monitoring (QCM-D) was applied to reveal the adsorption behavior of human whole saliva and how the salivary film is affected by the presence of tea compounds. Results showed a significant positive correlation among TPC, LP and Huigan intensity for subjects who are Huigan-sensitive. Compared to the desorption of salivary film, the desorption of saliva-EC/EGC (epicatechin/epigallocatechin) mixture from the gold surface by QCM-D observation showed a significant effect on Huigan intensity in sensitive group when comparing to the salivary layer (blank).
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Affiliation(s)
- Pik Han Chong
- Lab of Food Oral Processing, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, China
| | - Jianshe Chen
- Lab of Food Oral Processing, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, China.
| | - Danting Yin
- Firmenich Aromatics (China) Co., Ltd., No. 3901, Jindu Road, Minhang District, 201108, Shanghai, China
| | - Lanxi Qin
- Lab of Food Oral Processing, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, China
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Wang X, Chen J, Wang X. In situ oral lubrication and smoothness sensory perception influenced by tongue surface roughness. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:132-138. [PMID: 34057739 DOI: 10.1002/jsfa.11339] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 05/03/2021] [Accepted: 05/31/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND The human tongue is important in the oral processing of food and in sensory perception. Tongue topography could influence delicate differences in sensory perception. It is hypothesized that tongue surface roughness could alter oral lubrication status and affect perception of smoothness. Fifteen participants with varying levels of tongue surface roughness were recruited and tested. Participants' in situ oral lubrication status without and after consumption of fluid food (milk with varying fat content and maltodextrin solutions with different shear viscosities) was measured. Participants' smoothness sensory scores were also recorded. RESULTS The in situ friction coefficient (0.299-1.505) was significantly positively correlated with tongue-surface roughness (54.6-140.0 μm) in all types of test fluid samples across participants. Oral lubrication was significantly decreased when participants consumed the test fluid samples compared with no liquid food consumption, for all test fluid sample types (P < 0.05). No significant differences in in situ friction coefficient were found after participants consumed different test fluid samples, and this was mainly attributed to the limited quantities of fluid residuals in the oral cavity after expectoration. Participants whose tongue surface roughness differed did not exhibit significant differences in smoothness perception with different test fluid samples. CONCLUSION Tongue surface roughness has a strong impact on in situ oral lubrication, and fluid food intake reduces in situ oral lubrication significantly. Saliva film and tongue surface roughness might play greater roles in oral lubrication and smoothness sensory perception if fluid is expectorated after consumption. The association between oral physiology and texture perception still needs further elucidation. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Xingqun Wang
- Laboratory of Food Oral Processing, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
- Institute of Food Oral Processing and Sensory Science, Zhejiang Gongshang University, Hangzhou, China
| | - Jianshe Chen
- Laboratory of Food Oral Processing, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
- Institute of Food Oral Processing and Sensory Science, Zhejiang Gongshang University, Hangzhou, China
| | - Xinmiao Wang
- Laboratory of Food Oral Processing, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
- Institute of Food Oral Processing and Sensory Science, Zhejiang Gongshang University, Hangzhou, China
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20
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A targeted and nontargeted metabolomics study on the oral processing of epicatechins from green tea. Food Chem 2022; 378:132129. [PMID: 35042106 DOI: 10.1016/j.foodchem.2022.132129] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 12/30/2021] [Accepted: 01/08/2022] [Indexed: 01/14/2023]
Abstract
Oral processing (OP), referring to the whole process of food digestion in human mouth, has a major influence on food flavor perception. This study focused on the compositional changes of the four green tea epicatechins (viz., EC, EGC, ECG, EGCG) during OP, based on targeted and nontargeted metabolomics. It was found that the four epicatechins were all extensively lost through transformation undergoing OP, among which EC was the most stable one, whereas EGCG the least. EGCG was further revealed to be susceptible to human oral cavity in the simulated OP in vitro. It could be converted physically by precipitating with mucin in saliva, and chemically through hydrolysis and dimerization, mediated mainly by the neutral pH condition. The OP of epicatechins also caused salivary composition changes possibly involving health benefits of green tea. These findings could raise awareness of the interactions between epicatechins, or any other food materials, with human mouth.
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Pavez C, González-Muñoz B, O'Brien JA, Laurie VF, Osorio F, Núñez E, Vega RE, Bordeu E, Brossard N. Red wine astringency: Correlations between chemical and sensory features. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.112656] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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22
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Sharma M, Pondicherry KS, Duizer L. Understanding relations between rheology, tribology, and sensory perception of modified texture foods. J Texture Stud 2021; 53:327-344. [PMID: 34921392 DOI: 10.1111/jtxs.12656] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 10/27/2021] [Accepted: 12/08/2021] [Indexed: 11/30/2022]
Abstract
The aim of this work was to examine relations between instrumental and sensory parameters in a texture modified food matrix, with and without saliva. Nine pureed carrot samples (eight thickened and a control) were developed with starch (0.4 and 0.8% wt/wt), xanthan (0.2 and 0.4% wt/wt) or starch-xanthan blends that met International Dysphagia Diet Standardisation Initiative (IDDSI) Level 4 guidelines using fork and spoon tests. Rheological and tribological tests were conducted on the food and simulated bolus prepared by adding fresh stimulated saliva to the food (1:5, saliva:food) to mimic oral processing. Perceived sensory properties were identified using a temporal dominance of sensations (TDS) test (n = 16) where panelists were given a list of nine attributes. The area under the curve was extracted from TDS curves for each attribute/sample and this was correlated with rheological (viscosity at 10 s-1 , G', G″, and tan δ at 1 Hz) and tribological (friction coefficient in three regimes) data. The viscosity of the control sample decreased after adding hydrocolloids (except Starch_0.8%) and with saliva incorporation. G' and G″ either increased or were similar for xanthan and blends and decreased for starch-thickened samples. Hydrocolloid addition increased friction for all samples and was higher with saliva addition. Sensory results showed that samples with starch were perceived as thick and grainy while xanthan was perceived as smooth and slippery. A greater number of sensory attributes correlated with viscoelastic parameters compared to friction coefficients. Correlations were highest with the saliva added samples, further highlighting the importance of including saliva during instrumental testing.
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Affiliation(s)
- Madhu Sharma
- Department of Food Science, University of Guelph, Guelph, Ontario, Canada
| | | | - Lisa Duizer
- Department of Food Science, University of Guelph, Guelph, Ontario, Canada
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23
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Xu W, Xu Q, Zhong M. Lubrication study of representative fluid foods between mimicked oral surfaces. J Texture Stud 2021; 53:96-107. [PMID: 34750817 DOI: 10.1111/jtxs.12645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 09/27/2021] [Accepted: 11/03/2021] [Indexed: 11/27/2022]
Abstract
The lubricities of glycerol solutions with different viscosities were investigated at various frictional pairs, speeds, and loads to explore the lubrication regulations of diverse foods in mouths of different people. The friction pairs were characterized in terms of mechanical properties, surface morphology, and hydrophobicity. The results showed that the partial or complete Stribeck curves occurred with different speeds and viscosities. Various friction pairs had great influences on the boundary lubrication zone, but little influences on the elastohydrodynamic lubrication (EHL) zone. Increasing loads caused the friction coefficient decreasing in boundary lubrication zone; however, the friction coefficient changed a little in the mixed lubrication and EHL zones.
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Affiliation(s)
- Wenhu Xu
- School of Mechatronics Engineering, Key Laboratory of Tribology, Nanchang University, Nanchang, China
| | - Qixiang Xu
- School of Mechatronics Engineering, Key Laboratory of Tribology, Nanchang University, Nanchang, China
| | - Min Zhong
- School of Mechatronics Engineering, Key Laboratory of Tribology, Nanchang University, Nanchang, China
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24
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Wang S, Olarte Mantilla SM, Smith PA, Stokes JR, Smyth HE. Tribology and QCM-D approaches provide mechanistic insights into red wine mouthfeel, astringency sub-qualities and the role of saliva. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106918] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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25
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Rosenkranz A, Marian M, Shah R, Gashi B, Zhang S, Bordeu E, Brossard N. Correlating wine astringency with physical measures - Current knowledge and future directions. Adv Colloid Interface Sci 2021; 296:102520. [PMID: 34488181 DOI: 10.1016/j.cis.2021.102520] [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: 06/19/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 11/17/2022]
Abstract
Oral tribology receives growing attention in the field of food sciences as it offers great opportunities to establish correlations between physical parameters, such as the coefficient of friction, and sensory effects when interacting with components of the human mouth. One important aspect covers the astringency produced by wine, which can be described as the sensation of dryness and puckering in the mouth, specifically occurring between the tongue and the palate after swallowing. Therefore, this article aims at shedding some light on recent trends to correlate physical measures, such as the coefficient of friction derived by oral tribology, with prevailing theories on underlying physiological causes for sensory perception of wines. Some successful cases reported the potential of correlating wine astringency perception with the coefficient of friction in tribological experiments. Our critical assessment demonstrates that the findings are still contradictory, which urgently asks for more systematic studies. Therefore, we summarize the current challenges and hypothesize on future research directions with a particular emphasis on the comparability, reproducibility and transferability of studies using different experimental test-rigs and procedures.
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Affiliation(s)
- Andreas Rosenkranz
- Department of Chemical Engineering, Biotechnology and Materials, University of Chile, Santiago, Chile.
| | - Max Marian
- Engineering Design, Friedrich-Alexander-University Erlangen, Nuremberg (FAU), Erlangen, Germany
| | - Raj Shah
- Koehler Instrument Company, Holtsville, NY, USA
| | - Blerim Gashi
- Department of Chemical Engineering, Stony Brook University, NY, USA
| | - Stanley Zhang
- Department of Chemical Engineering, Stony Brook University, NY, USA
| | - Edmundo Bordeu
- Department of Fruit Production and Enology, School of Agricultural and Forest Sciences, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
| | - Natalia Brossard
- Department of Fruit Production and Enology, School of Agricultural and Forest Sciences, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
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Sarkar A, Soltanahmadi S, Chen J, Stokes JR. Oral tribology: Providing insight into oral processing of food colloids. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106635] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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27
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Fox D, Sahin AW, De Schutter DP, Arendt EK. Mouthfeel of Beer: Development of Tribology Method and Correlation with Sensory Data from an Online Database. JOURNAL OF THE AMERICAN SOCIETY OF BREWING CHEMISTS 2021. [DOI: 10.1080/03610470.2021.1938430] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Daniel Fox
- School of Food and Nutritional Sciences, University College Cork, Cork, Ireland
| | - Aylin W. Sahin
- School of Food and Nutritional Sciences, University College Cork, Cork, Ireland
| | | | - Elke K. Arendt
- School of Food and Nutritional Sciences and APC Microbiome Ireland, University College Cork, Cork, Ireland
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28
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Laguna L, Fiszman S, Tarrega A. Saliva matters: Reviewing the role of saliva in the rheology and tribology of liquid and semisolid foods. Relation to in-mouth perception. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106660] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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29
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Chong PH, He Q, Rao P, Li L, Ke L. The interindividual variation of salivary flow rate and biochemistry in healthy adults: Influence of black tea consumption. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104516] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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30
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Hu X, Karthik P, Chen J. Enhanced oral oil release and mouthfeel perception of starch emulsion gels. Food Res Int 2021; 144:110356. [PMID: 34053549 DOI: 10.1016/j.foodres.2021.110356] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 10/21/2022]
Abstract
Reducing oil/fat content without compromising the structural and sensory quality of food is a great technical challenge to the food industry. The present work aims to investigate the possibility of a novel emulsion design that gives an enhanced oral release of oil/fat from an emulsion gel and therefore an enhanced mouthfeel of oiliness. Hence, alpha-amylase sensitive emulsifier such as starch was used for this purpose. On the other hand, whey protein isolate (WPI) i.e. α-amylase insensitive emulsifier was used as a reference. The gellan gum was selected as a gelling agent to prepare emulsion gels. The mastication and size reduction of the emulsion gels were examined through in-vitro and in-vivo studies. The amount of oil released as indicated by the β-carotene analysis was monitored and various influencing factors (pH, time, compositions, etc.) were also investigated. Using sensory panelists, oral processing of emulsion gels was examined in terms of both mastication parameters and perceptions of oiliness and thickness. The obtained results showed that the use of a starch emulsifier gives a higher oil release and an enhanced oral sensation of oiliness mouthfeel. Therefore, starch emulsion could provide a novel solution in the design of fat-reduced food products with no effect on the mastication parameter, sensation and perception of fat-related attributes.
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Affiliation(s)
- Xia Hu
- Laboratory of Food Oral Processing, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310021, China; Wenzhou Characteristic Food Resources, Engineering and Technology Research Center, Wenzhou Academy of Agriculture Science, Wenzhou 325006, China
| | - P Karthik
- Laboratory of Food Oral Processing, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310021, China; Department of Food Technology, Faculty of Engineering, Karpagam Academy of Higher Education, Coimbatore 641021, India
| | - Jianshe Chen
- Laboratory of Food Oral Processing, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310021, China.
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31
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Brossard N, Gonzalez‐Muñoz B, Pavez C, Ricci A, Wang X, Osorio F, Bordeu E, Paola Parpinello G, Chen J. Astringency sub‐qualities of red wines and the influence of wine–saliva aggregates. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.15065] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Natalia Brossard
- Departamento de Fruticultura y Enología, Facultad de Agronomía e Ingeniería Forestal Pontificia Universidad Católica de Chile Santiago 7820436 Chile
| | - Beatriz Gonzalez‐Muñoz
- Departamento de Fruticultura y Enología, Facultad de Agronomía e Ingeniería Forestal Pontificia Universidad Católica de Chile Santiago 7820436 Chile
- Departamento de Genética Molecular y Microbiología Facultad de Ciencias Biológicas Pontificia Universidad Católica de Chile Santiago 8331150 Chile
| | - Carolina Pavez
- Departamento de Fruticultura y Enología, Facultad de Agronomía e Ingeniería Forestal Pontificia Universidad Católica de Chile Santiago 7820436 Chile
| | - Arianna Ricci
- Dipartimento di Scienze degli Alimenti Università di Bologna P.za Goidanich 60 Cesena I‐47023 Italy
| | - Xinmiao Wang
- School of Food Science and Biotechnology Zhejiang Gongshang University Hangzhou 310018 China
| | - Fernando Osorio
- Department of Food Science and Technology Universidad de Santiago de Chile Santiago 9170022 Chile
| | - Edmundo Bordeu
- Departamento de Fruticultura y Enología, Facultad de Agronomía e Ingeniería Forestal Pontificia Universidad Católica de Chile Santiago 7820436 Chile
| | | | - Jianshe Chen
- School of Food Science and Biotechnology Zhejiang Gongshang University Hangzhou 310018 China
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Rodrigues SA, Shewan HM, Xu Y, Selway N, Stokes JR. Frictional behaviour of molten chocolate as a function of fat content. Food Funct 2021; 12:2457-2467. [PMID: 33630006 DOI: 10.1039/d0fo03378b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Soft tribology is used to probe the lubrication behaviour of molten chocolate between soft contacts, analogous to in-mouth interactions between the tongue and palate. Molten chocolate is a concentrated suspension of solid particles (sugar, cocoa and milk solids) in cocoa butter. We hypothesise that the complex frictional behaviour of molten chocolate depends on its particulate nature and thus solid volume fraction (sugar & cocoa solids/fat content). In this work, we assess the properties of molten chocolate as a function of fat content by diluting milk chocolate containing 26, 27 and 29% fat with cocoa butter. The tribological behaviour of molten chocolate deviates notably from the typical Stribeck curve of Newtonian fluids. Additional transitions are observed in mixed and elastohydrodynamic lubrication which are respectively attributed to the effect of shear-thinning rheology (i.e. breakdown of aggregates) and the selective entrainment or exclusion of particles depending on interfacial gap height. These transitions are more pronounced in chocolate of high solid fraction, and correlate with the influence of particle aggregation on rheology. In addition, we assess oral lubrication by preparing model chocolate boluses with aqueous buffer, which produces a ternary system of oil droplets and insoluble cocoa solids dispersed within a continuous aqueous phase. The frictional behaviour of chocolate boluses is determined by the viscosity ratio between cocoa butter and aqueous phase, in agreement with previous findings for oil-in-water emulsions. We provide a conceptual model to interpret how fat content influences the oral lubrication and mouthfeel of chocolate during consumption.
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Affiliation(s)
- Sophia A Rodrigues
- School of Chemical Engineering, The University of Queensland, Brisbane, Australia.
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Huang R, Xu C. An overview of the perception and mitigation of astringency associated with phenolic compounds. Compr Rev Food Sci Food Saf 2020; 20:1036-1074. [PMID: 33340236 DOI: 10.1111/1541-4337.12679] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 11/07/2020] [Accepted: 11/12/2020] [Indexed: 12/21/2022]
Abstract
Astringency, as a kind of puckering, drying, or rough sensation, is widely perceived from natural foods, especially plants rich in phenolic compounds. Although the interaction and precipitation of salivary proteins by phenolic compounds was often believed as the major mechanism of astringency, a definitive theory about astringency is still lacking due to the complex oral sensations. The interaction with oral epithelial cells and the activation of trigeminal chemoreceptors and mechanoreceptors also shed light on some of the phenolic astringency mechanisms, which complement the insufficient mechanism of interaction with salivary proteins. Since phenolic compounds with different types and structures show different astringency thresholds in a certain regularity, there might be some relationships between the phenolic structures and perceived astringency. On the other hand, novel approaches to reducing the unfavorable perception of phenolic astringency have been increasingly emerging; however, the according summary is still sparse. Therefore, this review aims to: (a) illustrate the possible mechanisms of astringency elicited by phenolic compounds, (b) reveal the possible relationships between phenolic structures and perception of astringency, and (c) summarize the emerging mitigation approaches to astringency triggered by phenolic compounds. This comprehensive review would be of great value to both the understanding of phenolic astringency and the finding of appropriate mitigation approaches to phenolic astringency in future research.
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Affiliation(s)
- Rui Huang
- The Food Processing Center, Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, Nebraska
| | - Changmou Xu
- The Food Processing Center, Department of Food Science and Technology, University of Nebraska-Lincoln, Lincoln, Nebraska
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Wang S, Olarte Mantilla SM, Smith PA, Stokes JR, Smyth HE. Astringency sub-qualities drying and pucker are driven by tannin and pH – Insights from sensory and tribology of a model wine system. Food Hydrocoll 2020. [DOI: 10.1016/j.foodhyd.2020.106109] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Fox D, Lynch KM, Sahin AW, Arendt EK. Soft Tribology Using Rheometers: A Practical Guide and Introduction. JOURNAL OF THE AMERICAN SOCIETY OF BREWING CHEMISTS 2020. [DOI: 10.1080/03610470.2020.1843959] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Daniel Fox
- School of Food and Nutritional Sciences, University College Cork, Cork, Ireland
| | - Kieran M. Lynch
- School of Food and Nutritional Sciences, University College Cork, Cork, Ireland
| | - Aylin W. Sahin
- School of Food and Nutritional Sciences, University College Cork, Cork, Ireland
| | - Elke K. Arendt
- School of Food and Nutritional Sciences and APC Microbiome Ireland, University College Cork, Cork, Ireland
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Xu W, Jiang J, Xu Q, Zhong M. Drinking tastes of Chinese rice wine under different heating temperatures analyzed by gas chromatography-mass spectrometry and tribology tests. J Texture Stud 2020; 52:124-136. [PMID: 33184839 DOI: 10.1111/jtxs.12571] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 10/14/2020] [Accepted: 11/02/2020] [Indexed: 02/02/2023]
Abstract
Drinking tastes and lubrication properties of Chinese rice wine (CRW) under different heating temperatures were studied by tribology tests, gas chromatography-mass spectrometry (GC-MS) and sensory evaluations. CRW's drinking tastes were evaluated by taste panelists. Flavor compounds were detected by GC-MS. Lubrication properties of CRW were measured by tribometer. Drinking tastes changed under different heating temperatures and were the best at 60°C assessed by panelists. Four key compounds, furfural, benzaldehyde, butanedioic acid diethyl ester, and phenylethyl alcohol, were determined by GC-MS affecting drinking tastes of CRW. Their variation trends were consistent with the changes of CRW's tastes. The variation of CRW's lubrication properties had a positive correlation with that of CRW's taste, especially astringency. The lowest friction coefficient implied the best lubrication performance and taste at 60°C. Therefore, it was possible to rapidly evaluate drinking tastes of CRW using tribology technology based on the results. Reasons for temperatures influencing CRW's lubrication properties and drinking tastes were also analyzed in this study.
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Affiliation(s)
- Wenhu Xu
- School of Mechatronics Engineering, Key Laboratory of Tribology, Nanchang University, Nanchang, Jiangxi, China
| | - Jianzhong Jiang
- School of Mechatronics Engineering, Key Laboratory of Tribology, Nanchang University, Nanchang, Jiangxi, China
| | - Qixiang Xu
- School of Mechatronics Engineering, Key Laboratory of Tribology, Nanchang University, Nanchang, Jiangxi, China
| | - Min Zhong
- School of Mechatronics Engineering, Key Laboratory of Tribology, Nanchang University, Nanchang, Jiangxi, China
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Zhu Y, Bhandari B, Prakash S. Relating the tribo-rheological properties of chocolate flavoured milk to temporal aspects of texture. Int Dairy J 2020. [DOI: 10.1016/j.idairyj.2020.104794] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Pires MA, Pastrana LM, Fuciños P, Abreu CS, Oliveira SM. Sensorial Perception of Astringency: Oral Mechanisms and Current Analysis Methods. Foods 2020; 9:E1124. [PMID: 32824086 PMCID: PMC7465539 DOI: 10.3390/foods9081124] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/30/2020] [Accepted: 08/03/2020] [Indexed: 01/12/2023] Open
Abstract
Understanding consumers' food choices and the psychological processes involved in their preferences is crucial to promote more mindful eating regulation and guide food design. Fortifying foods minimizing the oral dryness, rough, and puckering associated with many functional ingredients has been attracting interest in understanding oral astringency over the years. A variety of studies have explored the sensorial mechanisms and the food properties determining astringency perception. The present review provides a deeper understanding of astringency, a general view of the oral mechanisms involved, and the exciting variety of the latest methods used to direct and indirectly quantify and simulate the astringency perception and the specific mechanisms involved.
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Affiliation(s)
- Mariana A. Pires
- International Iberian Nanotechnology Laboratory—Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal; (M.A.P.); (L.M.P.); (P.F.)
- Center for Microelectromechanical Systems, University of Minho, Azurém, 4800-058 Guimarães, Portugal;
| | - Lorenzo M. Pastrana
- International Iberian Nanotechnology Laboratory—Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal; (M.A.P.); (L.M.P.); (P.F.)
| | - Pablo Fuciños
- International Iberian Nanotechnology Laboratory—Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal; (M.A.P.); (L.M.P.); (P.F.)
| | - Cristiano S. Abreu
- Center for Microelectromechanical Systems, University of Minho, Azurém, 4800-058 Guimarães, Portugal;
- Physics Department, Porto Superior Engineering Institute, ISEP, 4200-072 Porto, Portugal
| | - Sara M. Oliveira
- International Iberian Nanotechnology Laboratory—Av. Mestre José Veiga s/n, 4715-330 Braga, Portugal; (M.A.P.); (L.M.P.); (P.F.)
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Zhang L, Cao QQ, Granato D, Xu YQ, Ho CT. Association between chemistry and taste of tea: A review. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.05.015] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Carter BG, Foegeding EA, Drake MA. Invited review: Astringency in whey protein beverages. J Dairy Sci 2020; 103:5793-5804. [PMID: 32448585 DOI: 10.3168/jds.2020-18303] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 03/05/2020] [Indexed: 01/08/2023]
Abstract
Astringency is the sensation of mouth drying and puckering, and it has also been described as a loss of lubrication in the mouth. Astringency is perceived as an increase in oral friction or roughness. Astringency caused by tannins and other polyphenols has been well documented and studied. Whey proteins are popular for their functional and nutritional quality, but they exhibit astringency, particularly under acidic conditions popular in high acid (pH 3.4) whey protein beverages. Acids cause astringency, but acidic protein beverages have higher astringency than acid alone. Whey proteins are able to interact with salivary proteins, which removes the lubricating saliva layer of the mouth. Whey proteins can also interact directly with epithelial tissue. These various mechanisms of astringency limit whey protein ingredient applications because astringency is undesirable to consumers. A better understanding of the causes of whey protein astringency will improve our ability to produce products that have high consumer liking and deliver excellent nutrition.
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Affiliation(s)
- B G Carter
- Department of Food, Bioprocessing and Nutrition Sciences, Southeast Dairy Foods Research Center, North Carolina State University, Raleigh 27695
| | - E A Foegeding
- Department of Food, Bioprocessing and Nutrition Sciences, Southeast Dairy Foods Research Center, North Carolina State University, Raleigh 27695
| | - M A Drake
- Department of Food, Bioprocessing and Nutrition Sciences, Southeast Dairy Foods Research Center, North Carolina State University, Raleigh 27695.
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Brossard N, Bordeu E, Ibáñez RA, Chen J, Osorio F. Rheological study of tannin and protein interactions based on model systems. J Texture Stud 2020; 51:585-592. [PMID: 32110834 DOI: 10.1111/jtxs.12518] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 02/04/2020] [Accepted: 02/17/2020] [Indexed: 11/28/2022]
Abstract
The interaction between wine tannins and saliva proteins is responsible for wine astringency perception, producing a depletion of salivary proteins and changes on oral friction. In sensorial terms, astringency is described as a dryness and puckering sensation in the mouth, which is related to the "structure" or "body" of red wines. However, these last descriptors, as structure or body, are perceived during wine tasting and commonly related to wine viscosity. To address these differences on sensory response, we hypothesize that tannin-protein interactions could be a key factor involved in the viscosity of red wines/saliva mixtures, just as they are for astringency. We used a rheological method to study the impact of tannin-protein interaction on the viscosity of model wine-saliva systems. Mixtures of model saliva based on mucin and typical astringent compounds, as commercial tannins and gallic acid, were evaluated for their rheological behavior. The viscometric flow of the fluid mixtures was determined, and subsequently, the viscosity was evaluated at a shear rate of 60 s-1 . It was observed that red wines/saliva mixtures exhibit non-Newtonian flow and ascending tannin doses led to an increase in the apparent viscosity. Nephelometric analysis demonstrate that tannin-mucin aggregates were formed, which suggests that these complexes were potentially responsible for the viscosity increases, modifying the rheological behavior of these mixtures. Results from this work propose that tannin-protein interactions are also involved in the underlying mechanism of thickness perception of red wines and rheology could be a complementary instrumental technique for wine mouthfeel characterization.
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Affiliation(s)
- Natalia Brossard
- Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Edmundo Bordeu
- Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Rodrigo A Ibáñez
- Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Chile.,Center for Dairy Research, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Jianshe Chen
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, China
| | - Fernando Osorio
- Department of Food Science and Technology, Universidad de Santiago de Chile, Santiago, Chile
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Chen J. It is important to differentiate sensory property from the material property. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2019.12.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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45
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Sethupathy P, Moses JA, Anandharamakrishnan C. Food Oral Processing and Tribology: Instrumental Approaches and Emerging Applications. FOOD REVIEWS INTERNATIONAL 2020. [DOI: 10.1080/87559129.2019.1710749] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Priyanka Sethupathy
- Computational Modeling and Nanoscale Processing Unit, Indian Institute of Food Processing Technology, Thanjavur, India
| | - Jeyan A. Moses
- Computational Modeling and Nanoscale Processing Unit, Indian Institute of Food Processing Technology, Thanjavur, India
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46
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“Oral” tribology study on saliva-tea compound mixtures: Correlation between sweet aftertaste (Huigan) perception and friction coefficient. Food Res Int 2019; 125:108642. [DOI: 10.1016/j.foodres.2019.108642] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 08/20/2019] [Accepted: 08/22/2019] [Indexed: 12/31/2022]
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Karthik P, Ettelaie R, Chen J. Oral behaviour of emulsions stabilized by mixed monolayer. Food Res Int 2019; 125:108603. [PMID: 31554053 DOI: 10.1016/j.foodres.2019.108603] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 07/30/2019] [Accepted: 07/31/2019] [Indexed: 10/26/2022]
Abstract
Controlled flavour release is highly important for the formulation of food emulsions. However, manipulating oral behavior and maintaining the stability of the flavoured emulsion is quite challenging. Hence, this study aims to investigate the effect of emulsion stability and oral behaviour using mixed emulsifier monolayers of different nature for their controlled flavour release. Orange oil flavoured (0.1% orange oil +10% sunflower oil) oil-in-water emulsions were prepared by microfluidization through modified starch (MS) and whey protein isolate (WPI) with different mass ratios (0.5:0.5, 0.5:1, 1:0.5, 1:1, 1:0 and 0:1) of emulsifiers. The fabricated emulsions were <0.13 μm in size (d32) with stable oil droplets having strong negative charges. The 0.5:0.5 and 0:1 emulsion were depicted an increase in size d32 (1.17 and 0.93 μm) and unstable during storage at 28 ± 1 °C than the emulsions stored at 4 ± 0.1 °C. All the emulsions were exhibited Newtonian flow; however once mixed with artificial saliva, the 1:0 emulsion showed shear thinning behaviour. During oral processing, in-vitro and in-vivo exhibited flocculation and coalescence; subsequently, structural deformation was observed with an increase in size (d32) and weak negative charge in 1:0.5 and 1:0 emulsions. Backscattering profile revealed more destabilization for 1:0 and less for 1:0.5 emulsions. Contrarily, other emulsions did not show any changes. Therefore, oral processing of emulsions results suggested that 1:0 had quick destabilization and 1:0.5 changed gradually. Thus, mixed emulsifier monolayer contributed significantly to the behavior of emulsions when interacting with saliva and it can be useful for controlled flavour release.
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Affiliation(s)
- P Karthik
- Food Oral Processing Laboratory, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310021, China
| | - Rammile Ettelaie
- Food Colloids Group, School of Food Science and Nutrition, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, UK
| | - Jianshe Chen
- Food Oral Processing Laboratory, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310021, China.
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Casassa LF, Huff R, Steele NB. Chemical consequences of extended maceration and post-fermentation additions of grape pomace in Pinot noir and Zinfandel wines from the Central Coast of California (USA). Food Chem 2019; 300:125147. [PMID: 31349098 DOI: 10.1016/j.foodchem.2019.125147] [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] [Received: 03/15/2019] [Revised: 07/05/2019] [Accepted: 07/07/2019] [Indexed: 01/08/2023]
Abstract
Pinot noir and Zinfandel wines were produced with traditional maceration (Control), and extended maceration for one (1 month-EM), and six months (6 months-EM). Addition of an extra amount of pomace during EM was also evaluated through a treatment referred to as Double pomace. The application of EM and Double pomace decreased the chromatic as well as the anthocyanin and anthocyanin-derived pigment composition of the wines. Large polymeric pigments were favored in EM and Double pomace wines, but the total polymeric pigment content was not improved by any of the winemaking treatments. The 6 months-EM wines showed a 13-fold (Pinot noir) and a 1.6-fold increase (Zinfandel) in tannins, respectively, relative to Control wines. However, the 1 month-EM and Double pomace treatments did not affect tannin levels, suggesting that in these wines, the extraction of tannins during EM may depend upon desorption of previously extracted tannins during extended contact time.
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Affiliation(s)
- L Federico Casassa
- Wine & Viticulture Department, California Polytechnic State University, San Luis Obispo, CA 93407, USA.
| | - Robert Huff
- Wine & Viticulture Department, California Polytechnic State University, San Luis Obispo, CA 93407, USA
| | - Nicholas B Steele
- Wine & Viticulture Department, California Polytechnic State University, San Luis Obispo, CA 93407, USA
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Shewan HM, Pradal C, Stokes JR. Tribology and its growing use toward the study of food oral processing and sensory perception. J Texture Stud 2019; 51:7-22. [PMID: 31149733 DOI: 10.1111/jtxs.12452] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 05/13/2019] [Accepted: 05/23/2019] [Indexed: 01/28/2023]
Abstract
Here we provide a comprehensive review of the knowledge base of soft tribology, the study of friction, lubrication, and wear on deformable surfaces, with consideration for its application toward oral tribology and food lubrication. Studies on "soft-tribology" have emerged to provide knowledge and tools to predict oral behavior and assess the performance of foods and beverages. We have shown that there is a comprehensive set of fundamental literature, mainly based on soft contacts in the Mini-traction machine with rolling ball on disk configuration, which provides a baseline for interpreting tribological data from complex food systems. Tribology-sensory relationships do currently exist. However, they are restricted to the specific formulations and tribological configuration utilized, and cannot usually be applied more broadly. With a careful and rigorous formulation/experimental design, we envisage tribological tools to provide insights into the sensory perception of foods in combination with other in vitro technique such as rheology, particle sizing or characterization of surface interactions. This can only occur with the use of well characterized tribopairs and equipment; a careful characterization of simpler model foods before considering complex food products; the incorporation of saliva in tribological studies; the removal of confounding factors from the sensory study and a global approach that considers all regimes of lubrication.
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Affiliation(s)
- Heather M Shewan
- School of Chemical Engineering, The University of Queensland, Brisbane, Australia
| | - Clementine Pradal
- School of Chemical Engineering, The University of Queensland, Brisbane, Australia
| | - Jason R Stokes
- School of Chemical Engineering, The University of Queensland, Brisbane, Australia
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