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Hu X, Xiang X, Ju Q, Li S, Julian McClements D. Impact of lipid droplet characteristics on the rheology of plant protein emulsion gels: Droplet size, concentration, and interfacial properties. Food Res Int 2024; 191:114734. [PMID: 39059965 DOI: 10.1016/j.foodres.2024.114734] [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: 05/07/2024] [Revised: 07/02/2024] [Accepted: 07/03/2024] [Indexed: 07/28/2024]
Abstract
Plant-based meat analogs are being developed to address environmental, sustainability, health, and animal welfare concerns associated with real meat products. However, it is challenging to mimic the desirable physicochemical, functional, and sensory properties of real meat products using plant-based ingredients. Emulsion gels consisting of lipid droplets embedded in biopolymer matrices are commonly used to create products with appearances, textures, and sensory attributes like meat products. In this study, the impact of soybean oil droplet characteristics (concentration, size, and charge) on the physicochemical properties of potato protein gels was studied. The oil droplets were either coated by a non-ionic surfactant (Tween 20) or a plant protein (patatin) to obtain different surface properties. The introduction of the oil droplets caused the protein gels to change from mauve to off-white, which was attributed to increased light scattering. Increasing the oil droplet concentration in the emulsion gels decreased their shear modulus and Young's modulus, which was mainly attributed to the fact that the oil droplets were less rigid than the surrounding protein network. Moreover, increasing the oil droplet size made this effect more pronounced, which was attributed to their greater deformability. Competitive adsorption of proteins and surfactants at the oi-water interface in the Tween emulsion promoted emulsion instability. This research highlights the complexity of the interactions between oil droplets and protein networks in emulsion gels. These insights are important for the utilization of emulsion gels in the formulation of plant-based foods with improved quality attributes.
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Affiliation(s)
- Xiaoyan Hu
- Biopolymers and Colloids Laboratory, Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA
| | - Xiaoke Xiang
- Biopolymers and Colloids Laboratory, Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA
| | - Qian Ju
- Biopolymers and Colloids Laboratory, Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA
| | - Sisheng Li
- Biopolymers and Colloids Laboratory, Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA
| | - David Julian McClements
- Biopolymers and Colloids Laboratory, Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA; Department of Food Science & Bioengineering, Zhejiang Gongshang University, 18 Xuezheng Street, Hangzhou, Zhejiang 310018, China.
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2
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Woern C, Grossmann L. Microbial gas fermentation technology for sustainable food protein production. Biotechnol Adv 2023; 69:108240. [PMID: 37647973 DOI: 10.1016/j.biotechadv.2023.108240] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 08/16/2023] [Accepted: 08/21/2023] [Indexed: 09/01/2023]
Abstract
The development of novel, sustainable, and robust food production technologies represents one of the major pillars to address the most significant challenges humanity is going to face on earth in the upcoming decades - climate change, population growth, and resource depletion. The implementation of microfoods, i.e., foods formulated with ingredients from microbial cultivation, into the food supply chain has a huge potential to contribute towards energy-efficient and nutritious food manufacturing and represents a means to sustainably feed a growing world population. This review recapitulates and assesses the current state in the establishment and usage of gas fermenting bacteria as an innovative feedstock for protein production. In particular, we focus on the most promising representatives of this taxon: the hydrogen-oxidizing bacteria (hydrogenotrophs) and the methane-oxidizing bacteria (methanotrophs). These unicellular microorganisms can aerobically metabolize gaseous hydrogen and methane, respectively, to provide the required energy for building up cell material. A protein yield over 70% in the dry matter cell mass can be reached with no need for arable land and organic substrates making it a promising alternative to plant- and animal-based protein sources. We illuminate the holistic approach to incorporate protein extracts obtained from the cultivation of gas fermenting bacteria into microfoods. Herein, the fundamental properties of the bacteria, cultivation methods, downstream processing, and potential food applications are discussed. Moreover, this review covers existing and future challenges as well as sustainability aspects associated with the production of microbial protein through gas fermentation.
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Affiliation(s)
- Carlos Woern
- Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA
| | - Lutz Grossmann
- Department of Food Science, University of Massachusetts, Amherst, MA 01003, USA.
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3
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Barbut S. Research Note: Producing lean poultry meat composite gels with different carbohydrate-based breadcrumbs. Poult Sci 2023; 102:102914. [PMID: 37566968 PMCID: PMC10440562 DOI: 10.1016/j.psj.2023.102914] [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: 04/11/2023] [Revised: 06/27/2023] [Accepted: 06/27/2023] [Indexed: 08/13/2023] Open
Abstract
The effects of using different breadcrumbs (3 wheat, 2 gluten-free: pea and rice) to improve yield and modify the texture of a lean poultry product were evaluated. All breadcrumbs significantly reduced cooking loss (P < 0.05), with one of the wheat crumbs showing the best results (35% reduction). Light microscopy revealed that breadcrumbs were well connected to the cooked meat matrix, and fully hydrated, that is, forming well-structured composite gels. The presence of breadcrumbs resulted in lower hardness, chewiness, and gumminess values of 3 of the treatments (compared to the control with no breadcrumbs), while the other 2 did not affect those parameters. Overall, selected breadcrumbs that are commonly used in ground beef products can be employed to improve yield/modify texture in poultry products but have to be selected to address certain needs.
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Affiliation(s)
- S Barbut
- Department of Food Science, University of Guelph, Guelph, Ontario N1G 2W1, Canada; Adaptation Physiology Department, Wageningen University, Wageningen, the Netherlands.
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4
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Francavilla A, Corradini MG, Joye IJ. Bigels as Delivery Systems: Potential Uses and Applicability in Food. Gels 2023; 9:648. [PMID: 37623103 PMCID: PMC10453560 DOI: 10.3390/gels9080648] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/07/2023] [Accepted: 08/10/2023] [Indexed: 08/26/2023] Open
Abstract
Bigels have been mainly applied in the pharmaceutical sector for the controlled release of drugs or therapeutics. However, these systems, with their intricate structures, hold great promise for wider application in food products. Besides their classical role as carrier and target delivery vehicles for molecules of interest, bigels may also be valuable tools for building complex food structures. In the context of reducing or even eliminating undesirable (but often highly functional) food components, current strategies often critically affect food structure and palatability. The production of solid fat systems that are trans-fat-free and have high levels of unsaturated fatty acids is one of the challenges the food industry currently faces. According to recent studies, bigels can be successfully used as ingredients for total or partial solid fat replacement in complex food matrices. This review aims to critically assess current research on bigels in food and pharmaceutical applications, discuss the role of bigel composition and production parameters on the characteristics of bigels and further expand the use of bigels as solid fat replacers and functional food ingredients. The hydrogel:oleogel ratio, selected gelators, inclusion of surfactants and encapsulation of molecules of interest, and process parameters (e.g., temperature, shear rate) during bigel production play a crucial role in the bigel's rheological and textural properties, microstructure, release characteristics, biocompatibility, and stability. Besides exploring the role of these parameters in bigel production, future research directions for bigels in a food context are explored.
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Affiliation(s)
- Alyssa Francavilla
- Department of Food Science, Ontario Agricultural College, University of Guelph, Guelph, ON N1G 2W1, Canada; (A.F.); (M.G.C.)
| | - Maria G. Corradini
- Department of Food Science, Ontario Agricultural College, University of Guelph, Guelph, ON N1G 2W1, Canada; (A.F.); (M.G.C.)
- Arrell Food Institute, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Iris J. Joye
- Department of Food Science, Ontario Agricultural College, University of Guelph, Guelph, ON N1G 2W1, Canada; (A.F.); (M.G.C.)
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5
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Chen J, Lin K, Zhang L, Zhang Z, Miao S, Zheng B, Zhang L. The effect of fat on properties and filling characteristics of myofibrillar protein emulsion microgels. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.102104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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6
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Bruno E, Lupi FR, Mammolenti D, Mileti O, Baldino N, Gabriele D. Emulgels Structured with Dietary Fiber for Food Uses: A Rheological Model. Foods 2022; 11:foods11233866. [PMID: 36496676 PMCID: PMC9736285 DOI: 10.3390/foods11233866] [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: 11/10/2022] [Revised: 11/21/2022] [Accepted: 11/26/2022] [Indexed: 12/02/2022] Open
Abstract
Emulgels are biphasic emulsified systems in which the continuous phase is structured with a specific gelling agent. In this work, a rheological and microscopic investigation of O/W emulgels prepared by structuring the aqueous (continuous) phase with citrus fiber was carried out with the aim of designing their macroscopic properties for food uses and predicting their characteristics with a rheological model. According to previous investigations, fiber suspensions behave as "particle gels" and, consequently, the derived emulgels' properties are strongly dependent on the fiber concentration and on process conditions adopted to produce them. Therefore, a rotor-stator system was used to prepare emulgels with increasing fiber content and with different levels of energy and power used for mixing delivered to the materials. An investigation of particle gels was then carried out, fixing the operating process conditions according to emulgel results. Furthermore, the effect of the dispersed (oil) phase volume fraction was varied and a modified semi-empirical Palierne model was proposed with the aim of optimizing a correlation between rheological properties and formulation parameters, fixing the process conditions.
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7
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Dobson S, Laredo T, Marangoni AG. Particle filled protein-starch composites as the basis for plant-based meat analogues. Curr Res Food Sci 2022; 5:892-903. [PMID: 36686367 PMCID: PMC9846454 DOI: 10.1016/j.crfs.2022.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 05/03/2022] [Accepted: 05/18/2022] [Indexed: 01/25/2023] Open
Abstract
Rapid swelling, high amylopectin starches including Thermally Inhibited (TI), Chemically Modified (CM), and Granular Cold- Swelling (GCS) were assessed for their supporting matrix forming potential and properties. Starches displayed identical calorimetric profiles with no endothermic events, and completely amorphous structure as judged by powder X-ray diffraction. However, they each provided different textural attributes. The starches were combined with pea protein isolate at a total concentration of 47%w/w (d.b.) to create a proteinacious supporting matrix. The starch protein matrix was then tested in a non-cold-set dough state as well as in a cold-set state after storage for 24h at 5oC. In the non-cold-set state, hardness increased with the addition of protein. CM was the softest dough and was difficult to work with, while TI and GCS were harder, with TI having the greatest resilience. Once cold-set, the textural properties changed, and GCS was not able to form a solid structure, instead remaining a viscoelastic dough. The hardness and storage modulus (G') of TI and CM displayed a negative correlation with the addition of protein due to matrix disruption. However, the combination of TI starch and pea protein at a ratio of 70% starch and 30% protein in the dry fraction displayed a synergistic effect, with increased resilience, chewiness, and ductility. FTIR of TI starch and protein at the same 70:30 ratio provided further evidence for the existence of an interaction between pea protein and TI starch. The results support the use of TI rapid swelling starch and pea protein isolate as a supporting matrix for application in meat analogue systems.
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Affiliation(s)
- Stacie Dobson
- Department of Food Science, University of Guelph, 50 Stone Rd E, Guelph, Ontario, N1G 2W1, Canada
| | - Thamara Laredo
- Department of Chemistry, Lakehead University, 500 University Ave., Orillia, Ontario, L3V 0B9, Canada
| | - Alejandro G. Marangoni
- Department of Food Science, University of Guelph, 50 Stone Rd E, Guelph, Ontario, N1G 2W1, Canada,Corresponding author.
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8
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Kessler M, Nassisi Q, Amstad E. Does the Size of Microgels Influence the Toughness of Microgel-Reinforced Hydrogels? Macromol Rapid Commun 2022; 43:e2200196. [PMID: 35467048 DOI: 10.1002/marc.202200196] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 04/11/2022] [Indexed: 11/09/2022]
Abstract
Rapid advances in the biomedical field increasingly often demand soft materials that can be processed into complex 3D shapes while being able to reliably bear significant loads. Granular hydrogels have the potential to serve as artificial tissues because they can be 3D printed into complex 3D shapes and their composition can be tuned over short length scales. Unfortunately, granular hydrogels are typically soft such that they cannot be used for load-bearing applications. To address this shortcoming, individual microgels can be connected through a percolating network, such that they introduce the double network toughening mechanism into granular hydrogels. However, the influence of the microgel size and concentration on the processing and toughness of microgel-reinforced hydrogels (MRHs) remains to be elucidated. Here, we demonstrate that processing and toughness depend on the inter-microgel connectivity, while the stress at break is solely dependent on the microgel size. These findings offer an in-depth understanding of how liquid- and paste-like precursors containing soft, deformable microgels can be processed into bulk microstructured soft materials and the effect of the size and concentration of these microgels on the mechanical properties of microgel reinforced hydrogels. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Michael Kessler
- Soft Materials Laboratory, Institute of Materials, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Quentin Nassisi
- Soft Materials Laboratory, Institute of Materials, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Esther Amstad
- Soft Materials Laboratory, Institute of Materials, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, 1015, Switzerland
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9
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Ntone E, Kornet R, Venema P, Meinders MB, van der Linden E, Bitter JH, Sagis LM, Nikiforidis CV. Napins and cruciferins in rapeseed protein extracts have complementary roles in structuring emulsion-filled gels. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107400] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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10
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Gravelle AJ, Marangoni AG. Effect of matrix architecture on the elastic behavior of an emulsion-filled polymer gel. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106875] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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11
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Gravelle AJ, Marangoni AG. A new fractal structural-mechanical theory of particle-filled colloidal networks with heterogeneous stress translation. J Colloid Interface Sci 2021; 598:56-68. [PMID: 33894617 DOI: 10.1016/j.jcis.2021.03.180] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/30/2021] [Accepted: 03/31/2021] [Indexed: 10/21/2022]
Abstract
This work addresses the role of rigid inclusions in determining the elastic modulus of particle-filled colloidal networks by modifying an established fractal scaling model. The approach acknowledges the heterogeneous nature of stress distribution at length scales beyond the colloidal aggregates, while maintaining structural information at the level of individual clusters. This was achieved by introducing a scaling factor to account for system heterogeneity which contains intrinsic information about the network's capacity to form load-bearing links. Rigid fillers bound to the network induce stress concentration, but additionally serve as junction zones which introduce additional load-bearing pathways. This gives rise to the observed increase in the modulus with filler volume fraction. The proposed relationship between the load-bearing network connectivity and scaling behavior may have additional implications on the fractal dimension determined by rheological methods. Further, this model accommodates an experimentally observed correlation between the scaling behavior of the modulus associated with the addition of fillers and that arising from increasing structurant concentration. The modified fractal model thus provides an alternative view of how fillers contribute to the small- and large-deformation mechanical behavior of filled colloidal gels in a manner consistent with experimental observations.
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Affiliation(s)
- Andrew J Gravelle
- Department of Food Science, University of Guelph, Guelph, ON N1G 2W1, Canada.
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12
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Katz F, Grossmann L, Gerhards C, Weiss J, Gibis M. Influence of hydrophobic and hydrophilic filler particles on thermal expansion and cooking loss in meat protein gels. Int J Food Sci Technol 2021. [DOI: 10.1111/ijfs.15016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Felix‐Alexander Katz
- Department of Life Sciences Albstadt‐Sigmaringen University of Applied Sciences Anton‐Guenther‐Strasse 51 Sigmaringen72488Germany
| | - Lutz Grossmann
- Department of Food Material Science, Institute of Food Science and Biotechnology University of Hohenheim Garbenstrasse 21 Stuttgart70599Germany
- Department of Food Science University of Massachusetts Amherst Amherst MA01003USA
| | - Christian Gerhards
- Department of Life Sciences Albstadt‐Sigmaringen University of Applied Sciences Anton‐Guenther‐Strasse 51 Sigmaringen72488Germany
| | - Jochen Weiss
- Department of Food Material Science, Institute of Food Science and Biotechnology University of Hohenheim Garbenstrasse 21 Stuttgart70599Germany
| | - Monika Gibis
- Department of Food Material Science, Institute of Food Science and Biotechnology University of Hohenheim Garbenstrasse 21 Stuttgart70599Germany
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13
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Gravelle AJ, Marangoni AG. The influence of network architecture on the large deformation and fracture behavior of emulsion-filled gelatin gels. FOOD STRUCTURE 2021. [DOI: 10.1016/j.foostr.2021.100193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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14
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Khalesi H, Lu W, Nishinari K, Fang Y. Fundamentals of composites containing fibrous materials and hydrogels: A review on design and development for food applications. Food Chem 2021; 364:130329. [PMID: 34175614 DOI: 10.1016/j.foodchem.2021.130329] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 05/10/2021] [Accepted: 06/07/2021] [Indexed: 12/13/2022]
Abstract
The combination of fiber and hydrogel in a system can provide substantial benefits for both components, including the development of three-dimensional structures for the fiber, followed by modifications in the rheological and mechanical properties of the hydrogel. Despite a large increase in the use of fiber-hydrogel composites (FHCs) in various sciences and industries such as biomedicine, tissue engineering, cosmetics, automotive, textile, and agriculture, there is limited information about FHCs in the realm of food application. In this regard, this study reviews the mechanism of FHCs. The force transmission between fiber and hydrogel, which depends on the interactions between them during loading, is the main reason to enhance the mechanical properties of FHCs. Moreover, articles about such FHCs that have the potential for foods or food industries have been described. Additionally, the information gaps about edible FHCs were highlighted for further research. Finally, the methods of fiber formation have been summarized.
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Affiliation(s)
- Hoda Khalesi
- Department of Food Science and Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wei Lu
- Department of Food Science and Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Katsuyoshi Nishinari
- Glyn O. Phillips Hydrocolloids Research Centre, School of Food and Biological Engineering, Hubei University of Technology, Wuhan 430068, China; Department of Food and Human Health Sciences, Graduate School of Human Life Science, Osaka City University, Osaka, Japan
| | - Yapeng Fang
- Department of Food Science and Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
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15
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Bin Sintang MD, Danthine S, Tavernier I, Van de Walle D, Doan CD, Aji Muhammad DR, Rimaux T, Dewettinck K. Polymer coated fat crystals as oil structuring agents: Fabrication and oil-structuring properties. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2021.106623] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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16
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The impact of model rigid fillers in acid-induced sodium caseinate/xanthan gum cooperative protein gels. Food Hydrocoll 2021. [DOI: 10.1016/j.foodhyd.2020.106439] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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17
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Khalesi H, Sun C, He J, Lu W, Fang Y. The role of amyloid fibrils in the modification of whey protein isolate gels with the form of stranded and particulate microstructures. Food Res Int 2021; 140:109856. [DOI: 10.1016/j.foodres.2020.109856] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 08/08/2020] [Accepted: 10/26/2020] [Indexed: 12/21/2022]
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18
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Katz FA, Grossmann L, Gerhards C, Weiss J. Inert hydrophilic particles enhance the thermal properties and structural resilience of meat protein gels during heating. Food Funct 2021; 12:862-872. [PMID: 33410449 DOI: 10.1039/d0fo02169e] [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
Meat protein gels are present in a variety of foods and are frequently filled with fat particles. This study set out to elucidate the effect of replacing hydrophobic fat-based particles with hydrophilic inert glass particles on thermal and structural properties during heating. Meat protein gels were prepared with different diameters (60 to 90 mm) according to a typical emulsified sausage recipe and fat-based particles as well as inert glass particles were incorporated at concentrations from 10 to 40% and heated to 85 °C, while thermal as well as structural properties were monitored. The results revealed two main effects. First, due to the higher thermal conductivity, the lower heat capacity and the absence of extensive phase transitions, the time to reach the final temperature was reduced with increasing glass particle content (e.g. from 118 ± 2 min with 40% fat particles to 86 ± 1 min for gels with 40% glass particles at a depth of 40 mm). Second, volume change and temperature sweep measurements revealed that glass particles fostered the protein gel formation and enhanced the resilience against structural breakdown during heating. This was evident during small-amplitude shear experiments that showed an almost twofold increase in the storage modulus when 10% fat-based particles were replaced with 10% glass particles from G'85 °C = 223.4 ± 14.8 kPa to G'85 °C = 431.0 ± 16.6 kPa, respectively. Overall, these findings might be of interest to meat-product manufacturers that seek to lower heating times to reach the core temperature necessary for protein denaturation and ensure microbial safety with additional holding times and modify the structural properties of foods while replacing fat particles.
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Affiliation(s)
- Felix-Alexander Katz
- Department of Life Sciences, Albstadt-Sigmaringen University of Applied Sciences, Anton-Guenther-Strasse 51, 72488 Sigmaringen, Germany
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19
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Hubbes SS, Braun A, Foerst P. Sugar particles and their role in crystallization kinetics and structural properties in fats used for nougat creme production. J FOOD ENG 2020. [DOI: 10.1016/j.jfoodeng.2020.110130] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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20
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Khalesi H, Lu W, Fang Y. WITHDRAWN: Reinforcing the rheological and mechanical properties of WPI nanocomposite hydrogels with birefringence morphologies. Int J Biol Macromol 2020:S0141-8130(20)34981-3. [PMID: 33188813 DOI: 10.1016/j.ijbiomac.2020.11.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/31/2020] [Accepted: 11/09/2020] [Indexed: 11/16/2022]
Abstract
This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/policies/article-withdrawal.
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Affiliation(s)
- Hoda Khalesi
- Department of Food Science and Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Wei Lu
- Department of Food Science and Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Yapeng Fang
- Department of Food Science and Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
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21
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Khalesi H, Lu W, Nishinari K, Fang Y. New insights into food hydrogels with reinforced mechanical properties: A review on innovative strategies. Adv Colloid Interface Sci 2020; 285:102278. [PMID: 33010577 DOI: 10.1016/j.cis.2020.102278] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 09/20/2020] [Accepted: 09/21/2020] [Indexed: 02/07/2023]
Abstract
Enhancement on the mechanical properties of hydrogels leads to a wider range of their applications in various fields. Therefore, there has been a great interest recently for developing new strategies to reinforce hydrogels. Moreover, food gels must be edible in terms of both raw materials and production. This paper reviews innovative techniques such as particle/fiber-reinforced hydrogel, double network, dual crosslinking, freeze-thaw cycles, physical conditioning and soaking methods to improve the mechanical properties of hydrogels. Additionally, their fundamental mechanisms, advantages and disadvantages have been discussed. Important biopolymers that have been employed for these strategies and also their potentials in food applications have been summarized. The general mechanism of these strategies is based on increasing the degree of crosslinking between interacting polymers in hydrogels. These links can be formed by adding fillers (oil droplets or fibers in filled gels) or cross-linkers (regarding double network and soaking method) and also by condensation or alignment of the biopolymers (freeze-thaw cycle and physical conditioning) in the gel network. The properties of particle/fiber-reinforced hydrogels extremely depend on the filler, gel matrix and the interaction between them. In freeze-thaw cycles and physical conditioning methods, it is possible to form new links in the gel network without adding any cross-linkers or fillers. It is expected that the utilization of gels will get broader and more varied in food industries by using these strategies.
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Gravelle AJ, Nicholson RA, Barbut S, Marangoni AG. Dataset on the elastic modulus of heat-set whey protein isolate/xanthan gum mixed biopolymer hydrogels filled with glass microspheres: A model particle-filled composite food system. Data Brief 2019; 25:104066. [PMID: 31431908 PMCID: PMC6580114 DOI: 10.1016/j.dib.2019.104066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 05/20/2019] [Indexed: 12/01/2022] Open
Abstract
This article presents data related to the research article entitled ‘Considerations for readdressing theoretical descriptions of particle-filled composite food gels’ [1]. The elastic modulus of mixed biopolymer composite gels consisting of heat-set whey protein isolate and xanthan gum (WPI-X) filled with glass microspheres is reported. Gels were evaluated as a function of volume fraction filler (φf = 0–0.5), with varying filler size (4 μm, 7–10 μm, 45–90 μm, and 150–210 μm) and ionic strength of the protein phase (0, 50, 100, 200 mM NaCl). The reported elastic modulus data was extracted from large deformation uniaxial compression tests. This data is relevant to the development of alternative particle reinforcement models, or adaptation of existing theories. Further, it represents the limiting case of rigid inclusions, which can eliminate certain confounding assumptions in established models.
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Affiliation(s)
- Andrew J Gravelle
- Department of Food Science, University of Guelph, Guelph, ON, Canada
| | - Reed A Nicholson
- Department of Food Science, University of Guelph, Guelph, ON, Canada
| | - Shai Barbut
- Department of Food Science, University of Guelph, Guelph, ON, Canada
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