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Swackhamer C, Bedane T, Keppler S, Poltorak A, Cheung K, Awais N, Marra F, Bornhorst GM. Development and analysis of a multi-module peristaltic simulator for gastrointestinal research. Food Res Int 2023; 170:112877. [PMID: 37316038 DOI: 10.1016/j.foodres.2023.112877] [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: 12/15/2022] [Revised: 03/06/2023] [Accepted: 04/20/2023] [Indexed: 06/16/2023]
Abstract
Many existing in vitro digestion systems do not accurately represent the peristaltic contractions of the gastrointestinal system; most of the systems that have physiologically-relevant peristaltic contractions have low throughput and can only test one sample at a time. A device has been developed that provides simulated peristaltic contractions for up to 12 digestion modules simultaneously using rollers of varying width to modulate the dynamics of the peristaltic motion. The force applied to a simulated food bolus varied from 2.61 ± 0.03 N to 4.51 ± 0.16 N (p < 0.05) depending on roller width. Video analysis showed that the degree of occlusion of the digestion module varied from 72.1 ± 0.4% to 84.6 ± 1.2% (p < 0.05). A multiphysics, computational fluid dynamics model was created to understand the fluid flow. The fluid flow was also examined experimentally using video analysis of tracer particles. The model-predicted maximum fluid velocity in the peristaltic simulator incorporating the thin rollers was 0.016 m/s, and the corresponding value measured using tracer particles was 0.015 m/s. The occlusion, pressure, and fluid velocity in the new peristaltic simulator fell within physiologically representative ranges. Although no in vitro device perfectly recreates the conditions of the gastrointestinal system, this novel device is a flexible platform for future gastrointestinal research and could allow for high-throughput screening of food materials for health-promoting properties under conditions representative of human gastrointestinal motility.
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Affiliation(s)
- Clay Swackhamer
- Department of Biological and Agricultural Engineering, University of California, Davis, USA
| | - Tesfaye Bedane
- UCD School of Agriculture and Food Science, University College Dublin, Dublin, Ireland
| | - Silvia Keppler
- Department of Biological and Agricultural Engineering, University of California, Davis, USA
| | - Adam Poltorak
- Department of Biological and Agricultural Engineering, University of California, Davis, USA
| | - Kyle Cheung
- Department of Biological and Agricultural Engineering, University of California, Davis, USA
| | - Nashea Awais
- Department of Biological and Agricultural Engineering, University of California, Davis, USA
| | - Francesco Marra
- Dipartimento di Ingegneria Industriale, Università degli Studi di Salerno, 84084 Fisciano, Italy
| | - Gail M Bornhorst
- Department of Biological and Agricultural Engineering, University of California, Davis, USA; Riddet Institute, Palmerston North, New Zealand.
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2
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Deng R, Mars M, Janssen AE, Smeets PA. Gastric digestion of whey protein gels: A randomized cross-over trial with the use of MRI. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
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3
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Emulsifier crystal formation and its role in periodic deformation-relaxation of emulsion droplets upon cooling. J FOOD ENG 2023. [DOI: 10.1016/j.jfoodeng.2023.111430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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4
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Ajala A, Kaur L, Lee SJ, Singh J. Native and processed legume seed microstructure and its influence on starch digestion and glycaemic features: A review. Trends Food Sci Technol 2023. [DOI: 10.1016/j.tifs.2023.01.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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5
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Liu F, Li M, Wang Q, Yan J, Han S, Ma C, Ma P, Liu X, McClements DJ. Future foods: Alternative proteins, food architecture, sustainable packaging, and precision nutrition. Crit Rev Food Sci Nutr 2022; 63:6423-6444. [PMID: 35213241 DOI: 10.1080/10408398.2022.2033683] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
There are numerous challenges facing the modern food and agriculture industry that urgently need to be addressed, including feeding a growing global population, mitigating and adapting to climate change, decreasing pollution, waste, and biodiversity loss, and ensuring that people remain healthy. At the same time, foods should be safe, affordable, convenient, and delicious. The latest developments in science and technology are being deployed to address these issues. Some of the most important elements within this modern food design approach are encapsulated by the MATCHING model: Meat-reduced; Automation; Technology-driven; Consumer-centric; Healthy; Intelligent; Novel; and Globalization. In this review article, we focus on four key aspects that will be important for the creation of a new generation of healthier and more sustainable foods: emerging raw materials; structural design principles for creating innovative products; developments in eco-friendly packaging; and precision nutrition and customized production of foods. We also highlight some of the most important new developments in science and technology that are being used to create future foods, including food architecture, synthetic biology, nanoscience, and sensory perception.Supplemental data for this article is available online at https://doi.org/10.1080/10408398.2022.2033683.
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Affiliation(s)
- Fuguo Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Moting Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Qiankun Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Jun Yan
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Shuang Han
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Cuicui Ma
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, PR China
| | - Peihua Ma
- Department of Nutrition and Food Science, College of Agriculture and Natural Resources, University of Maryland, College Park, MD, USA
| | - Xuebo Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, PR China
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6
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Ni Y, Gu Q, Li J, Fan L. Modulating in vitro gastrointestinal digestion of nanocellulose-stabilized pickering emulsions by altering cellulose lengths. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106738] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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7
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Harastani R, James LJ, Walton J, Woolley E. Tackling obesity: A knowledge-base to enable industrial food reformulation. INNOV FOOD SCI EMERG 2020. [DOI: 10.1016/j.ifset.2020.102433] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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8
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Tripodi E, Lazidis A, Norton IT, Spyropoulos F. Food Structure Development in Emulsion Systems. HANDBOOK OF FOOD STRUCTURE DEVELOPMENT 2019. [DOI: 10.1039/9781788016155-00059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
A number of food products exist, in part or entirely, as emulsions, while others are present in an emulsified state at some point during their production/formation. Mayonnaise, butter, margarine, salad dressing, whipped cream, and ice cream represent some of the typical examples of emulsion-based foods. Controlled by both formulation and processing aspects, the emulsion architecture that is formed ultimately determines many of the attributes of the final food product. This chapter initially provides an overview of the basic constituents of emulsions and their influence on the microstructure and stability of conventional as well as more complex systems. The available spectrum of processing routes and characterization techniques currently utilized (or emerging) within the area of emulsions is then discussed. The chapter concludes with a concise outline of the relationship between food emulsion microstructure design and its performance (textural, rheological, sensorial, etc.).
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Affiliation(s)
- Ernesto Tripodi
- Chemical Engineering Department, University of Birmingham UK
| | - Aris Lazidis
- Chemical Engineering Department, University of Birmingham UK
- Nestlé Product Technology Centre, York UK
| | - Ian T. Norton
- Chemical Engineering Department, University of Birmingham UK
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9
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Nanostructured clay particles supplement orlistat action in inhibiting lipid digestion: An in vitro evaluation for the treatment of obesity. Eur J Pharm Sci 2019; 135:1-11. [DOI: 10.1016/j.ejps.2019.05.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 05/03/2019] [Accepted: 05/03/2019] [Indexed: 12/26/2022]
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10
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11
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Toughening and stiffening of starch food extrudates through the addition of cellulose fibres and minerals. Food Hydrocoll 2018. [DOI: 10.1016/j.foodhyd.2018.06.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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12
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P. K, S. PI, C. A. Droplet coalescence as a potential marker for physicochemical fate of nanoemulsions during in-vitro small intestine digestion. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.05.066] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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13
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Scheuble N, Schaffner J, Schumacher M, Windhab EJ, Liu D, Parker H, Steingoetter A, Fischer P. Tailoring Emulsions for Controlled Lipid Release: Establishing in vitro-in Vivo Correlation for Digestion of Lipids. ACS APPLIED MATERIALS & INTERFACES 2018; 10:17571-17581. [PMID: 29708724 DOI: 10.1021/acsami.8b02637] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The use of oil-in-water emulsions for controlled lipid release is of interest to the pharmaceutical industry in the development of poorly water soluble drugs and also has gained major interest in the treatment of obesity. In this study, we focus on the relevant in vitro parameters reflecting gastric and intestinal digestion steps to reach a reliable in vitro-in vivo correlation for lipid delivery systems. We found that (i) gastric lipolysis determines early lipid release and sensing. This was mainly influenced by the emulsion stabilization mechanism. (ii) Gastric mucin influences the structure of charge-stabilized emulsion systems in the stomach, leading to destabilization or gel formation, which is supported by in vivo magnetic resonance imaging in healthy volunteers. (iii) The precursor structures of these emulsions modulate intestinal lipolysis kinetics in vitro, which is reflected in plasma triglyceride and cholecystokinin concentrations in vivo.
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Affiliation(s)
- Nathalie Scheuble
- Institute of Food Nutrition and Health , ETH Zurich , 8092 Zurich , Switzerland
| | - Joschka Schaffner
- Institute of Food Nutrition and Health , ETH Zurich , 8092 Zurich , Switzerland
| | - Manuel Schumacher
- Institute of Food Nutrition and Health , ETH Zurich , 8092 Zurich , Switzerland
| | - Erich J Windhab
- Institute of Food Nutrition and Health , ETH Zurich , 8092 Zurich , Switzerland
| | - Dian Liu
- Institute for Biomedical Engineering , University Zurich and ETH Zurich , 8092 Zurich , Switzerland
| | - Helen Parker
- Division of Gastroenterology and Hepatology , University Hospital Zurich , 8091 Zurich , Switzerland
| | - Andreas Steingoetter
- Institute for Biomedical Engineering , University Zurich and ETH Zurich , 8092 Zurich , Switzerland
- Division of Gastroenterology and Hepatology , University Hospital Zurich , 8091 Zurich , Switzerland
| | - Peter Fischer
- Institute of Food Nutrition and Health , ETH Zurich , 8092 Zurich , Switzerland
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14
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The Effect of Gel Microstructure on Simulated Gastric Digestion of Protein Gels. FOOD BIOPHYS 2018; 13:124-138. [PMID: 29755300 PMCID: PMC5937947 DOI: 10.1007/s11483-018-9518-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Accepted: 02/19/2018] [Indexed: 12/27/2022]
Abstract
The objective of this study was to analyse the impact of the gel structure obtained by different heat-induced temperatures on the in vitro gastric digestibility at pH 2. To achieve this, gels were prepared from soy protein, pea protein, albumin from chicken egg white and whey protein isolate at varying temperatures (90, 120 and 140 °C) for 30 min. Gels were characterised prior to digestion via microstructure and SDS-PAGE analysis. Subsequently, the gastric digestion process was followed via the protein hydrolysis and HPSEC analysis up to 180 min. Peptides of different sizes (<5 kDa) were gradually formed during the digestion. Our results showed that gels induced at 140 °C were digested faster. The protein source and gelation temperature had great influence on the in vitro gastric protein digestibility.
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15
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Rheological and mechanical characterization of curcumin-loaded emulsion-filled gels produced with whey protein isolate and xanthan gum. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2017.07.063] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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16
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Foegeding EA, Stieger M, van de Velde F. Moving from molecules, to structure, to texture perception. Food Hydrocoll 2017. [DOI: 10.1016/j.foodhyd.2016.11.009] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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17
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Capuano E. The behavior of dietary fiber in the gastrointestinal tract determines its physiological effect. Crit Rev Food Sci Nutr 2017; 57:3543-3564. [DOI: 10.1080/10408398.2016.1180501] [Citation(s) in RCA: 135] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Edoardo Capuano
- Food Quality and Design Group, Wageningen University, Wageningen, The Netherlands
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18
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Joardder MUH, Kumar C, Karim MA. Food structure: Its formation and relationships with other properties. Crit Rev Food Sci Nutr 2017; 57:1190-1205. [PMID: 26055194 DOI: 10.1080/10408398.2014.971354] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Food materials are complex in nature as it has heterogeneous, amorphous, hygroscopic and porous properties. During processing, microstructure of food materials changes which significantly affects other properties of food. An appropriate understanding of the microstructure of the raw food material and its evolution during processing is critical in order to understand and accurately describe dehydration processes and quality anticipation. This review critically assesses the factors that influence the modification of microstructure in the course of drying of fruits and vegetables. The effect of simultaneous heat and mass transfer on microstructure in various drying methods is investigated. Effects of changes in microstructure on other functional properties of dried foods are discussed. After an extensive review of the literature, it is found that development of food structure significantly depends on fresh food properties and process parameters. Also, modification of microstructure influences the other properties of final product. An enhanced understanding of the relationships between food microstructure, drying process parameters and final product quality will facilitate the energy efficient optimum design of the food processor in order to achieve high-quality food.
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Affiliation(s)
- Mohammad U H Joardder
- a Faculty of Science and Engineering, Queensland University of Technology , Brisbane , Australia.,b Department of Mechanical Engineering , Rajshahi University of Engineering and Technology , Rajshahi , Bangladesh
| | - Chandan Kumar
- a Faculty of Science and Engineering, Queensland University of Technology , Brisbane , Australia
| | - M A Karim
- a Faculty of Science and Engineering, Queensland University of Technology , Brisbane , Australia
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19
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Lovegrove A, Edwards CH, De Noni I, Patel H, El SN, Grassby T, Zielke C, Ulmius M, Nilsson L, Butterworth PJ, Ellis PR, Shewry PR. Role of polysaccharides in food, digestion, and health. Crit Rev Food Sci Nutr 2017; 57:237-253. [PMID: 25921546 PMCID: PMC5152545 DOI: 10.1080/10408398.2014.939263] [Citation(s) in RCA: 294] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Revised: 06/24/2014] [Accepted: 06/24/2014] [Indexed: 12/19/2022]
Abstract
Polysaccharides derived from plant foods are major components of the human diet, with limited contributions of related components from fungal and algal sources. In particular, starch and other storage carbohydrates are the major sources of energy in all diets, while cell wall polysaccharides are the major components of dietary fiber. We review the role of these components in the human diet, including their structure and distribution, their modification during food processing and effects on functional properties, their behavior in the gastrointestinal tract, and their contribution to healthy diets.
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Affiliation(s)
- A. Lovegrove
- Department of Plant Biology and Crop Science, Rothamsted Research, Harpenden, Herts, United Kingdom
| | - C. H. Edwards
- King's College London, Diabetes and Nutritional Sciences Division, School of Agriculture, Policy and Development, London, United Kingdom
| | - I. De Noni
- Department of Food, Environmental and Nutritional Sciences, University of Milan, Milan, Italy
| | - H. Patel
- King's College London, Diabetes and Nutritional Sciences Division, School of Agriculture, Policy and Development, London, United Kingdom
| | - S. N. El
- Food Engineering Department, Nutrition Section, Ege University, Izmir, Turkey
| | - T. Grassby
- King's College London, Diabetes and Nutritional Sciences Division, School of Agriculture, Policy and Development, London, United Kingdom
| | - C. Zielke
- Food Colloids Group, Department of Food Engineering, Technology and Nutrition, Faculty of Engineering LTH, Lund University, Lund, Sweden
| | - M. Ulmius
- Solve Research and Consultancy AB, Lund, Sweden
| | - L. Nilsson
- Food Colloids Group, Department of Food Engineering, Technology and Nutrition, Faculty of Engineering LTH, Lund University, Lund, Sweden
| | - P. J. Butterworth
- King's College London, Diabetes and Nutritional Sciences Division, School of Agriculture, Policy and Development, London, United Kingdom
| | - P. R Ellis
- King's College London, Diabetes and Nutritional Sciences Division, School of Agriculture, Policy and Development, London, United Kingdom
| | - P. R. Shewry
- Department of Plant Biology and Crop Science, Rothamsted Research, Harpenden, Herts, United Kingdom
- Department of Agriculture, Reading University, Whiteknights, Reading, Berkshire, United Kingdom
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20
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Geremias-Andrade IM, Souki NPBG, Moraes ICF, Pinho SC. Rheology of Emulsion-Filled Gels Applied to the Development of Food Materials. Gels 2016; 2:E22. [PMID: 30674153 PMCID: PMC6318578 DOI: 10.3390/gels2030022] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 06/25/2016] [Accepted: 08/04/2016] [Indexed: 11/16/2022] Open
Abstract
Emulsion-filled gels are classified as soft solid materials and are complex colloids formed by matrices of polymeric gels into which emulsion droplets are incorporated. Several structural aspects of these gels have been studied in the past few years, including their applications in food, which is the focus of this review. Knowledge of the rheological behavior of emulsion-filled gels is extremely important because it can measure interferences promoted by droplets or particle inclusion on the textural properties of the gelled systems. Dynamic oscillatory tests, more specifically, small amplitude oscillatory shear, creep-recovery tests, and large deformation experiments, are discussed in this review as techniques present in the literature to characterize rheological behavior of emulsion-filled gels. Moreover, the correlation of mechanical properties with sensory aspects of emulsion-filled gels appearing in recent studies is discussed, demonstrating the applicability of these parameters in understanding mastication processes.
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Affiliation(s)
- Ivana M Geremias-Andrade
- Department of Food Engineering, School of Animal Science and Food Engineering, University of São Paulo (USP), Av. Duque de Caxias Norte 225, Jd. Elite, Pirassununga, Sao Paulo 13635-900, Brazil.
| | - Nayla P B G Souki
- Department of Food Engineering, School of Animal Science and Food Engineering, University of São Paulo (USP), Av. Duque de Caxias Norte 225, Jd. Elite, Pirassununga, Sao Paulo 13635-900, Brazil.
| | - Izabel C F Moraes
- Department of Food Engineering, School of Animal Science and Food Engineering, University of São Paulo (USP), Av. Duque de Caxias Norte 225, Jd. Elite, Pirassununga, Sao Paulo 13635-900, Brazil.
| | - Samantha C Pinho
- Department of Food Engineering, School of Animal Science and Food Engineering, University of São Paulo (USP), Av. Duque de Caxias Norte 225, Jd. Elite, Pirassununga, Sao Paulo 13635-900, Brazil.
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21
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Tavernier I, Wijaya W, Van der Meeren P, Dewettinck K, Patel AR. Food-grade particles for emulsion stabilization. Trends Food Sci Technol 2016. [DOI: 10.1016/j.tifs.2016.01.023] [Citation(s) in RCA: 170] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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22
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Norton JE, Gonzalez Espinosa Y, Watson RL, Spyropoulos F, Norton IT. Functional food microstructures for macronutrient release and delivery. Food Funct 2016; 6:663-78. [PMID: 25553863 DOI: 10.1039/c4fo00965g] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
There is a need to understand the role of fat, protein and carbohydrate in human health, and also how foods containing and/or structured using these macronutrients can be designed so that they can have a positive impact on health. This may include a reduction in fat, salt or sugar, the protection and targeted release of micronutrients or active ingredients from/to particular parts of the digestive system, improvement of gastrointestinal health or satiety enhancing properties. Such foods can be designed with various macro- and microstructures that will impact on macronutrient release and delivery. These include simple and double emulsions, the use of Pickering particles and shells, nanoparticles, liposomes, gelled networks, fluid gels and gel particles, foams, self-assembled structures, and encapsulated systems. In order to design foods that deliver these benefits understanding of how these structures behave in the gastrointestinal tract is also required, which should involve utilising both in vitro and in vivo studies. This review aims to draw together research in these areas, by focusing on the current state of the art, but also exciting possibilities for future research and food development.
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Affiliation(s)
- J E Norton
- University of Birmingham, Birmingham, West Midlands, UK.
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23
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Enhancing expected food intake behaviour, hedonics and sensory characteristics of oil-in-water emulsion systems through microstructural properties, oil droplet size and flavour. Food Qual Prefer 2016. [DOI: 10.1016/j.foodqual.2015.03.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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24
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Emulsion oil droplet size significantly affects satiety: A pre-ingestive approach. Appetite 2016; 96:18-24. [DOI: 10.1016/j.appet.2015.08.043] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 07/03/2015] [Accepted: 08/31/2015] [Indexed: 01/19/2023]
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25
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26
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Orrego M, Troncoso E, Zúñiga RN. Aerated whey protein gels as new food matrices: Effect of thermal treatment over microstructure and textural properties. J FOOD ENG 2015. [DOI: 10.1016/j.jfoodeng.2015.04.027] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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27
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Abstract
Nutrition across the lifespan encompasses both preventative and treatment options to maintain health and vitality. This review will focus on the challenge of overconsumption of energy relative to energy expenditure and the consequent development of overweight and obesity, since they are responsible for much of the burden of chronic disease in the developed world. Understanding the mechanisms of hunger and satiety and how particular foodstuffs and nutrients affect appetite and motivation to eat is important for evidence-based interventions to achieve weight control and design of community-wide dietary strategies that reach across the lifespan. Food reformulation for appetite control and weight management requires a knowledge of the mechanisms of hunger and satiety, how food interacts with peripheral and central regulatory systems, and how these interactions change across the lifecourse, allied to the technical capability to generate, evaluate and develop new ingredients and foods with enhanced biological potency based on these mechanisms. Two European Union-funded research projects, Full4Health and SATIN, are adopting these complementary approaches. These research projects straddle the sometimes conflicted ground between justifiable public health concerns on the one hand and the food and drink industry on the other. These multi-disciplinary projects pull together expertise in nutrition, neuroimaging, psychology and food technology that combines with food industry partners to maximise expected impact of the research. Better knowledge of mechanisms regulating hunger/satiety will lead to evidence base for preventive strategies for the European population, to reduction of chronic disease burden and to increased competitiveness of European food industry through the development of new food products.
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28
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Guo Q, Ye A, Lad M, Ferrua M, Dalgleish D, Singh H. Disintegration kinetics of food gels during gastric digestion and its role on gastric emptying: an in vitro analysis. Food Funct 2015; 6:756-64. [DOI: 10.1039/c4fo00700j] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The understanding of the disintegration and gastric emptying of foods in the stomach is important for designing functional foods.
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Affiliation(s)
- Qing Guo
- Riddet Institute
- Massey University
- Palmerston North
- New Zealand
| | - Aiqian Ye
- Riddet Institute
- Massey University
- Palmerston North
- New Zealand
| | - Mita Lad
- Riddet Institute
- Massey University
- Palmerston North
- New Zealand
| | - Maria Ferrua
- Riddet Institute
- Massey University
- Palmerston North
- New Zealand
| | | | - Harjinder Singh
- Riddet Institute
- Massey University
- Palmerston North
- New Zealand
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29
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Fardet A. A shift toward a new holistic paradigm will help to preserve and better process grain products’ food structure for improving their health effects. Food Funct 2015; 6:363-82. [DOI: 10.1039/c4fo00477a] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A holistic approach to grain products will help preserve their food structure and nutrient density and thus their health potential.
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Affiliation(s)
- Anthony Fardet
- INRA
- UMR 1019
- UNH
- CRNH Auvergne
- F-63000 Clermont-Ferrand & Clermont Université
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30
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Scheuble N, Geue T, Windhab EJ, Fischer P. Tailored Interfacial Rheology for Gastric Stable Adsorption Layers. Biomacromolecules 2014; 15:3139-45. [DOI: 10.1021/bm500767c] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- N. Scheuble
- Institute
of Food Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - T. Geue
- Laboratory
of Neutron Scattering and Imaging, Paul Scherrer Institut, 5232 Villigen PSI, Switzerland
| | - E. J. Windhab
- Institute
of Food Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
| | - P. Fischer
- Institute
of Food Nutrition and Health, ETH Zurich, 8092 Zurich, Switzerland
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31
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Ruiz-Rodriguez PE, Meshulam D, Lesmes U. Characterization of Pickering O/W Emulsions Stabilized by Silica Nanoparticles and Their Responsiveness to In vitro Digestion Conditions. FOOD BIOPHYS 2014. [DOI: 10.1007/s11483-014-9346-3] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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32
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Wooster TJ, Day L, Xu M, Golding M, Oiseth S, Keogh J, Clifton P. Impact of different biopolymer networks on the digestion of gastric structured emulsions. Food Hydrocoll 2014. [DOI: 10.1016/j.foodhyd.2013.09.009] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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33
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Bradbeer JF, Hancocks R, Spyropoulos F, Norton IT. Self-structuring foods based on acid-sensitive low and high acyl mixed gellan systems to impact on satiety. Food Hydrocoll 2014; 35:522-530. [PMID: 24882914 PMCID: PMC4025606 DOI: 10.1016/j.foodhyd.2013.07.014] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Accepted: 07/16/2013] [Indexed: 11/16/2022]
Abstract
This study investigated the in vitro acid-induced gelation of mixed systems of two biopolymers; low acyl and high acyl gellan gum. Rheological and texture analysis showed that these mixed gels displayed textures that lay between the material properties exhibited for the low and high acyl variants. DSC analysis showed that mixtures of the low acyl and high acyl forms exhibit two separate conformational transitions at temperatures coincident with each of the individual biopolymers. Various metabolically relevant pH environments and hydrocolloid concentrations were investigated. These resulted in very different acid gelled structures, which were characterised by texture analysis. The structures of the acid gels were shown to depend upon the pH, hydrocolloid concentration and proportion of each biopolymer used during their production. A selection of these mixed gellan structures were assessed post-production in terms of their response to prolonged exposure to an acidic (pH 1), stomach-like, environment. This resulted in a significant increase in the gel strength, regardless of the biopolymer proportions. The high acyl gellan was less acid-sensitive, and subsequently no evidence of acid gelation was observed with high acyl gellan at a proportion greater than 60% of the total biopolymer. The findings presented here demonstrate that structuring as well as de-structuring of mixed gellan acid gels can be controlled in acidic environments similar to those that are present in the stomach after food consumption.
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Affiliation(s)
- Jennifer F. Bradbeer
- Department of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
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34
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Guo Q, Ye A, Lad M, Dalgleish D, Singh H. Effect of gel structure on the gastric digestion of whey protein emulsion gels. SOFT MATTER 2014; 10:1214-1223. [PMID: 24652237 DOI: 10.1039/c3sm52758a] [Citation(s) in RCA: 106] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
This study aimed to characterize and determine the disintegration of emulsion gels in a human gastric simulator (HGS) and the physicochemical characteristics of gastric digesta. Using thermal treatment at 90 °C, whey protein emulsion gels with different structures and gel strengths were formed by varying the ionic strength. Simulated boluses of soft (containing 10 mM NaCl) and hard (200 mM NaCl) gels, which had similar particle sizes to those of human subjects, were created for gastric digestion. Soft gels disintegrated faster than hard gels in the HGS. The boluses of both gels gradually disintegrated into particles of size ∼10 μm. With further digestion, the protein matrix of the soft gel particles dissolved, the proteins were disrupted mainly by proteolysis and large quantities of oil droplets were released. In contrast, for the hard gel particles, although all proteins were hydrolysed after 240 min the breakdown of the particles was slow and no oil droplets were released after 300 min. The differences in the breakdown of soft and hard gels in the HGS were attributed to the structures of the emulsion gel, which may result in different sets of peptides in the digestion. In addition, coalescence of the oil droplets was observed only for the soft gel.
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Affiliation(s)
- Qing Guo
- Riddet Institute, Massey University, Private Bag 11 222, Palmerston North 4442, New Zealand.
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35
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Sensoy I. A Review on the Relationship Between Food Structure, Processing, and Bioavailability. Crit Rev Food Sci Nutr 2014; 54:902-9. [DOI: 10.1080/10408398.2011.619016] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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36
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Effect of initial protein concentration and pH on in vitro gastric digestion of heated whey proteins. Food Chem 2014; 145:473-80. [DOI: 10.1016/j.foodchem.2013.08.076] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2013] [Revised: 07/31/2013] [Accepted: 08/16/2013] [Indexed: 12/17/2022]
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37
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Norton JE, Wallis GA, Spyropoulos F, Lillford PJ, Norton IT. Designing food structures for nutrition and health benefits. Annu Rev Food Sci Technol 2014; 5:177-95. [PMID: 24387609 DOI: 10.1146/annurev-food-030713-092315] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
In addition to providing specific sensory properties (e.g., flavor or textures), there is a need to produce foods that also provide functionality within the gastrointestinal (GI) tract, over and above simple nutrition. As such, there is a need to understand the physical and chemical processes occurring in the mouth, stomach, small intestine, and large intestine, in addition to the food structure-physiology interactions. In vivo techniques and in vitro models have allowed us to study and simulate these processes, which aids us in the design of food microstructures that can provide functionality within the human body. Furthermore, it is important to be aware of the health or nutritional needs of different groups of consumers when designing food structures, to provide targeted functionality. Examples of three groups of consumers (elderly, obese, and athletes) are given to demonstrate their differing nutritional requirements and the formulation engineering approaches that can be utilized to improve the health of these individuals. Eating is a pleasurable process, but foods of the future will be required to provide much more in terms of functionality for health and nutrition.
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38
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Bridging benchtop research and industrial processed foods: Structuring of model food emulsions. FOOD STRUCTURE-NETHERLANDS 2014. [DOI: 10.1016/j.foostr.2013.10.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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39
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Meshulam D, Lesmes U. Responsiveness of emulsions stabilized by lactoferrin nano-particles to simulated intestinal conditions. Food Funct 2014; 5:65-73. [DOI: 10.1039/c3fo60380f] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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40
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Douaire M, Norton IT. Designer colloids in structured food for the future. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2013; 93:3147-3154. [PMID: 23716173 DOI: 10.1002/jsfa.6246] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2013] [Revised: 04/19/2013] [Accepted: 05/28/2013] [Indexed: 06/02/2023]
Abstract
Recent advances in the understanding of colloids has enabled the design of food products that are healthier and tastier, in line with consumer expectations. Specifically, emulsion design and hydrocolloid structuring can be used to address the issue of fat reduction in foods by allowing the production of reduced fat products that provide similar sensory attributes. Additionally, various techniques for encapsulating molecules, such as flavour, nutraceuticals or drugs, are now being developed. The application of such techniques in food products can improve micronutrient bioavailability by means of targeted and controlled delivery, increasing the nutritional value. Colloidal structures can also be designed to enhance consumer experience, mimic fat or control satiety. Such novel improvements, as well as their potential translation into commercial food products, are highlighted in this paper, which focuses primarily on the areas of emulsion technologies and hydrocolloids.
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Affiliation(s)
- Maelle Douaire
- Department of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
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41
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Perez-Moral N, Gonzalez MC, Parker R. Preparation of iron-loaded alginate gel beads and their release characteristics under simulated gastrointestinal conditions. Food Hydrocoll 2013. [DOI: 10.1016/j.foodhyd.2012.09.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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42
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Dickinson E. Stabilising emulsion-based colloidal structures with mixed food ingredients. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2013; 93:710-721. [PMID: 23280883 DOI: 10.1002/jsfa.6013] [Citation(s) in RCA: 187] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2012] [Revised: 11/01/2012] [Accepted: 11/26/2012] [Indexed: 06/01/2023]
Abstract
The physical scientist views food as a complex form of soft matter. The complexity has its origin in the numerous ingredients that are typically mixed together and the subtle variations in microstructure and texture induced by thermal and mechanical processing. The colloid science approach to food product formulation is based on the assumption that the major product attributes such as appearance, rheology and physical stability are determined by the spatial distribution and interactions of a small number of generic structural entities (biopolymers, particles, droplets, bubbles, crystals) organised in various kinds of structural arrangements (layers, complexes, aggregates, networks). This review describes some recent advances in this field with reference to three discrete classes of dispersed systems: particle-stabilised emulsions, emulsion gels and aerated emulsions. Particular attention is directed towards explaining the crucial role of the macromolecular ingredients (proteins and polysaccharides) in controlling the formation and stabilisation of the colloidal structures. The ultimate objective of this research is to provide the basic physicochemical insight required for the reliable manufacture of novel structured foods with an appealing taste and texture, whilst incorporating a more healthy set of ingredients than those found in many existing traditional products.
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Affiliation(s)
- Eric Dickinson
- School of Food Science and Nutrition, University of Leeds, Leeds, UK.
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43
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Marciani L, Hall N, Pritchard SE, Cox EF, Totman JJ, Lad M, Hoad CL, Foster TJ, Gowland PA, Spiller RC. Preventing gastric sieving by blending a solid/water meal enhances satiation in healthy humans. J Nutr 2012; 142:1253-8. [PMID: 22649258 DOI: 10.3945/jn.112.159830] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Separation of solids and liquids within the stomach allows faster gastric emptying of liquids compared with solids, a phenomenon known as sieving. We tested the hypothesis that blending a solid and water meal would abolish sieving, preventing the early rapid decrease in gastric volume and thereby enhancing satiety. We carried out 2 separate studies. Study 1 was a 2-way, crossover, satiety study of 22 healthy volunteers who consumed roasted chicken and vegetables with a glass of water (1008 kJ) or the same blended to a soup. They completed satiety visual analogue scales at intervals for 3 h. Study 2 was a 2-way, crossover, mechanistic study of 18 volunteers who consumed the same meals and underwent an MRI to assess gastric emptying, gallbladder contraction, and small bowel water content (SBWC) at intervals for 3 h. In Study 1, the soup meal was associated with reduced hunger (P = 0.02). In Study 2, the volume of the gastric contents after the soup meal decreased more slowly than after the solid/liquid meal (P = 0.0003). The soup meal caused greater gallbladder contraction (P < 0.04). SBWC showed a biphasic response with an initial "gastric" phase during which SBWC was greater when the solid/liquid meal was consumed (P < 0.001) and a later "small bowel" phase when SBWC was greater when the soup meal was consumed (P < 0.01). Blending the solid/liquid meal to a soup delayed gastric emptying and increased the hormonal response to feeding, which may contribute to enhanced postprandial satiety.
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Affiliation(s)
- Luca Marciani
- Nottingham Digestive Diseases Centre and NIHR Biomedical Research Unit, Nottingham University Hospitals, Nottingham, UK
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44
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Finlayson G, Bordes I, Griffioen-Roose S, de Graaf C, Blundell JE. Susceptibility to overeating affects the impact of savory or sweet drinks on satiation, reward, and food intake in nonobese women. J Nutr 2012; 142:125-30. [PMID: 22131553 DOI: 10.3945/jn.111.148106] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Taste is involved in food preference and choice, and it is thought that it can modulate appetite and food intake. The present study investigated the effect of savory or sweet taste on satiation, reward, and food intake and according to individual differences in eating behavior traits underlying susceptibility to overeating. In a crossover design, 30 women (BMI = 22.7 ± 2.3; age = 21.9 ± 2.6 y) consumed a fixed energy preload (360 kJ/g) with a savory, sweet, or bland taste before selecting and consuming items from a test meal ad libitum. Sensations of hunger were used to calculate the satiating efficiency of the preloads. A computerized task was used to examine effects on food reward (explicit liking and implicit wanting). The Three Factor Eating Questionnaire was used to compare individual differences in eating behavior traits. Satiation and total food intake did not differ according to preload taste, but there was an effect on explicit liking and food selection. The savory preload reduced liking and intake of high-fat savory foods compared to sweet or bland preloads. The eating behavior trait disinhibition interacted with preload taste to determine test meal intake. Higher scores were associated with increased food intake after the sweet preload compared to the savory preload. Independent of preload taste, disinhibition was associated with lower satiating efficiency of the preloads and enhanced implicit wanting for high-fat sweet food. Savory taste has a stronger modulating effect on food preference than sweet or bland taste and may help to preserve normal appetite regulation in people who are susceptible to overeating.
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Affiliation(s)
- Graham Finlayson
- BioPsychology Group, Institute of Psychological Sciences, University of Leeds, Leeds, UK.
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45
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Garrec DA, Frasch-Melnik S, Henry JVL, Spyropoulos F, Norton IT. Designing colloidal structures for micro and macro nutrient content and release in foods. Faraday Discuss 2012; 158:37-49; discussion 105-24. [DOI: 10.1039/c2fd20024d] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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46
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Norton AB, Cox PW, Spyropoulos F. Acid gelation of low acyl gellan gum relevant to self-structuring in the human stomach. Food Hydrocoll 2011. [DOI: 10.1016/j.foodhyd.2010.10.007] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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47
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Chen J, Gaikwad V, Holmes M, Murray B, Povey M, Wang Y, Zhang Y. Development of a simple model device for in vitro gastric digestion investigation. Food Funct 2011; 2:174-82. [PMID: 21779576 DOI: 10.1039/c0fo00159g] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
There have been some reports in the literature of model gastric digestion systems to mimic the dynamic physiological processes within the gastrointestinal tract. However, such devices often require the specification of many control parameters making routine digestion tests unfeasible. This paper introduces a simple in vitro digestion device, comprising of a water-jacketed glass vessel into which a spherical Teflon probe of variable diameter can be inserted. The probe is controlled by a texture analyser to simulate the kinetics of a food digestion process. Using this device under well controlled hydrodynamic flow and biochemical conditions key digestion parameters such as pH, food particle size, protein release, lipid release, cloudiness, etc, can be determined. Feasibility tests of the model device have been conducted using roasted and non-roasted peanuts particles. The status of peanut digestion was examined by the changes in particle size distribution and the mean particle size. Significant differences of surface microstructure have also been observed for peanut particles after the digestion. The influence of parameters such as food to gastric juice ratio, the probe speed and pepsin concentration have been examined in this work. Initial results confirm that all these factors influence the kinetic process of gastric digestion considerably and should be well regulated in any in vitro digestion investigations. We propose that the model device has the advantages of easy control and operation and furthermore could be an ideal tool for routine in vitro gastric digestion studies.
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Affiliation(s)
- Jianshe Chen
- School of Food Science, University of Leeds, Leeds, LS2 9JT, UK.
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48
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49
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50
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Tharakan A, Norton I, Fryer P, Bakalis S. Mass Transfer and Nutrient Absorption in a Simulated Model of Small Intestine. J Food Sci 2010; 75:E339-46. [DOI: 10.1111/j.1750-3841.2010.01659.x] [Citation(s) in RCA: 107] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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