1
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Louhichi A, Morel MH, Ramos L, Banc A. Scaling Properties of Gelling Systems in Nonlinear Shear Experiments. ACS Macro Lett 2024; 13:826-831. [PMID: 38874451 DOI: 10.1021/acsmacrolett.4c00121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2024]
Abstract
We study model near-critical polymer gelling systems made of gluten protein dispersions stabilized at different distances from the gel point. We impose different shear rates and follow the time evolution of the stress. For sufficiently large shear rates, an intermediate stress overshoot is measured before reaching the steady state. We evidence self-similarity of the stress overshoot as a function of the applied shear rate for samples with various distances from the gel point, which is related to the elastic energy stored by the samples, as for dense systems close to the jamming transition. In concordance with the findings for glassy and jammed systems, we also measure that the stress after flow cessation decreases as a power law with time, with a characteristic relaxation time that depends on the shear rate previously imposed. These features revealed in nonlinear rheology could be the signature of a mesoscopic dynamics, which would depend on the extent of gelation.
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Affiliation(s)
- Ameur Louhichi
- Laboratoire Charles Coulomb (L2C), Université de Montpellier, CNRS, 34095 Montpellier, France
| | - Marie-Hélène Morel
- UMR IATE, Université de Montpellier, CIRAD, INRAE, Montpellier SupAgro, 2 pl. Pierre Viala, 34060 Montpellier, France
| | - Laurence Ramos
- Laboratoire Charles Coulomb (L2C), Université de Montpellier, CNRS, 34095 Montpellier, France
| | - Amélie Banc
- Laboratoire Charles Coulomb (L2C), Université de Montpellier, CNRS, 34095 Montpellier, France
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2
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Urbes A, Morel MH, Ramos L, Violleau F, Banc A. Delicate Analysis of Interacting Proteins and Their Assemblies by Flow Field-Flow Fractionation Techniques. Biomacromolecules 2024; 25:3976-3989. [PMID: 38829254 DOI: 10.1021/acs.biomac.4c00103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
We study the efficiency of several asymmetrical flow field-flow fractionation (AF4) techniques to investigate self-associating wheat gluten proteins. We compare the use of a denaturing buffer including sodium dodecyl sulfate (SDS) and a mild chaotropic solvent, water/ethanol, as the eluent, on a model gluten sample. Through a thorough analysis of the data obtained from coupled light scattering detectors and with the identification of molecular composition of the eluted protein, we evidence coelution events in several conditions. We show that the focus step used in conventional AF4 with the SDS buffer leads to the formation of aggregates that coelute with monomeric proteins. By contrast, a frit-inlet device enables the fractionation of individual wheat proteins in the SDS buffer. Interestingly conventional AF4, using water/ethanol as eluent, is an effective method for fractionating gluten proteins and their complex dynamic assemblies, which involve weak forces and are composed of both monomeric and polymeric proteins.
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Affiliation(s)
- Aurélien Urbes
- Laboratoire Charles Coulomb (L2C), Université de Montpellier, CNRS, 34095 Montpellier, France
- Laboratoire de Chimie Agro-industrielle LCA, Université de Toulouse, INRAE, INP-PURPAN, 31030 Toulouse, France
- Plateforme TFFFC, Université de Toulouse, INP-PURPAN, 31076 Toulouse, France
| | - Marie-Hélène Morel
- UMR IATE, Université de Montpellier, INRAE, Montpellier SupAgro, 2 pl. Pierre Viala, 34060 Montpellier, France
| | - Laurence Ramos
- Laboratoire Charles Coulomb (L2C), Université de Montpellier, CNRS, 34095 Montpellier, France
| | - Frédéric Violleau
- Laboratoire de Chimie Agro-industrielle LCA, Université de Toulouse, INRAE, INP-PURPAN, 31030 Toulouse, France
- Plateforme TFFFC, Université de Toulouse, INP-PURPAN, 31076 Toulouse, France
| | - Amélie Banc
- Laboratoire Charles Coulomb (L2C), Université de Montpellier, CNRS, 34095 Montpellier, France
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3
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Zhang D, Jiang K, Luo H, Zhao X, Yu P, Gan Y. Replacing animal proteins with plant proteins: Is this a way to improve quality and functional properties of hybrid cheeses and cheese analogs? Compr Rev Food Sci Food Saf 2024; 23:e13262. [PMID: 38284577 DOI: 10.1111/1541-4337.13262] [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: 05/16/2023] [Revised: 09/27/2023] [Accepted: 10/14/2023] [Indexed: 01/30/2024]
Abstract
The growing emphasis on dietary health has facilitated the development of plant-based foods. Plant proteins have excellent functional attributes and health-enhancing effects and are also environmentally conscientious and animal-friendly protein sources on a global scale. The addition of plant proteins (including soy protein, pea protein, zein, nut protein, and gluten protein) to diverse cheese varieties and cheese analogs holds the promise of manufacturing symbiotic products that not only have reduced fat content but also exhibit improved protein diversity and overall quality. In this review, we summarized the utilization and importance of various plant proteins in the production of hybrid cheeses and cheese analogs. Meanwhile, classification and processing methods related to these cheese products were reviewed. Furthermore, the impact of different plant proteins on the microstructure, textural properties, physicochemical attributes, rheological behavior, functional aspects, microbiological aspects, and sensory characteristics of both hybrid cheeses and cheese analogs were discussed and compared. Our study explores the potential for the development of cheeses made from full/semi-plant protein ingredients with greater sustainability and health benefits. Additionally, it further emphasizes the substantial chances for scholars and developers to investigate the optimal processing methods and applications of plant proteins in cheeses, thereby improving the market penetration of plant protein hybrid cheeses and cheese analogs.
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Affiliation(s)
- Deju Zhang
- Food and Nutritional Sciences, School of Biological Sciences, The University of Hong Kong, Pok Fu Lam, Hong Kong
| | - Kai Jiang
- School of Resources and Civil Engineering, No, rtheastern University, Shenyang, Liaoning, China
| | - Hui Luo
- Laboratory of Oncology, Affiliated Tumor Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiaorui Zhao
- Differentiated & Biofunctional Food, Department of Food Science, Aarhus University, Aarhus, Denmark
| | - Peng Yu
- Department of Endocrinology and Metabolism, Second Affiliated Hospital of Nanchang University, Nanchang, China
| | - Yiming Gan
- Plant Sciences, School of Biological Sciences, The University of Hong Kong, Pok Fu Lam, Hong Kong
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4
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Baek N, Moon Y, Kim J, Kweon M. Effect of Gluten Composition in Low-Allergy O-Free Wheat Flour on Cookie-Making Performance Compared with Flours with Different Gluten Strengths. Foods 2023; 12:3843. [PMID: 37893736 PMCID: PMC10606476 DOI: 10.3390/foods12203843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 10/18/2023] [Accepted: 10/18/2023] [Indexed: 10/29/2023] Open
Abstract
The increasing demand for allergen-free and reduced-allergen foods has led to an investigation into the potential use of O-free wheat, a low-allergy wheat cultivar, in cookie production. This study focused on assessing the gluten composition of O-free flour and comparing its suitability for cookie making in comparison to flours with varying gluten strengths. Several analyses were conducted, including gluten composition, solvent retention capacity (SRC), thermal and pasting properties, dough-mixing characteristics, and cookie-making performance. The gluten composition of O-free flour by SDS-PAGE confirmed the absence of ω-gliadins and the reduced levels of low-molecular-weight glutenins and γ-gliadins. The SRC values of O-free flour fell between the flours with weak and medium gluten strengths. While thermal and pasting properties showed significant differences in sucrose solution but not across flour types, indicating similar starch structures, mixograms displayed distinct variations influenced by both sucrose solution and flour type, highlighting the importance of gluten quality and composition. Cookies made with O-free flour demonstrated similarities to those produced with weak gluten flour, known for their favorable cookie characteristics. This study emphasizes the significant influence of flour gluten composition on cookie-making performance and advocates for the adoption of O-free flour in the development of allergy-friendly cookies.
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Affiliation(s)
- Nayeon Baek
- Department of Nutrition Education, Pusan National University, Busan 46241, Republic of Korea
| | - Yujin Moon
- Department of Food Science and Nutrition, Pusan National University, Busan 46241, Republic of Korea
| | - Jeongeon Kim
- Department of Food Science and Nutrition, Pusan National University, Busan 46241, Republic of Korea
| | - Meera Kweon
- Department of Food Science and Nutrition, Pusan National University, Busan 46241, Republic of Korea
- Kimchi Research Institute, Pusan National University, Busan 46241, Republic of Korea
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5
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Carpentieri S, Ferrari G, Donsì F. All-natural wheat gliadin-gum arabic nanocarriers for encapsulation and delivery of grape by-products phenolics obtained through different extraction procedures. Food Chem 2023; 424:136385. [PMID: 37247597 DOI: 10.1016/j.foodchem.2023.136385] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 03/21/2023] [Accepted: 05/13/2023] [Indexed: 05/31/2023]
Abstract
Grape pomace (GP), the major winery by-product, is still rich in phenolic compounds, scarcely applied in food systems due to physicochemical instability issues. This work aimed at fabricating gliadin (G)-based nanoparticles through antisolvent precipitation, for delivery of GP extracts, investigating different extraction strategies with ethanol/water solution (70:30 v/v). Interestingly, the fabricated nanoparticles were characterized by a nanometric size range with hydraulic diameter values around 100 nm and ζ-potential of 18-22 mV. The addition of gum arabic (GA), at the optimized G/GA ratio 1:1, improved particle stability and encapsulation efficiency of GP polyphenols. The two-step extraction of GP in the G-rich solvent retrieved from G extraction, as evidenced by total phenolics (1.24 times higher than the two separately obtained extracts G/GP10:10), HPLC-PDA analysis, encapsulation efficiency (62.9% in terms of epicatechin), and simulated digestion (95.6% release of epicatechin), represented the most promising approach to obtain G nanoparticles for efficient delivery of GP extracts.
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Affiliation(s)
- Serena Carpentieri
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
| | - Giovanna Ferrari
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy; ProdAl Scarl c/o University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy
| | - Francesco Donsì
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy.
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6
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Poy G. Hidden traces of chirality in the fluctuations of a fully unwound cholesteric. SOFT MATTER 2023; 19:1115-1130. [PMID: 36722903 DOI: 10.1039/d2sm01646j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Confinement and hydrodynamic interactions often play an important role in the fluctuation dynamics of soft matter systems, which can typically be studied using light scattering techniques. With experimental and theoretical methodologies, I demonstrate here that chirality is an additional critical parameter that leads to diverging decay times and correlation lengths in chiral liquid crystal cells with a fully unwound cholesteric helix. This study combines light scattering measurements made in a tailored microscope geometry and theoretical calculations of the decay dynamics of chiral orientational fluctuations-including hydrodynamics-to establish the existence of two soft chiral modes of fluctuations driving the destabilization of the unwound cholesteric. Despite the achirality of the equilibrium state of unwound cholesterics, this study indicates that chirality hides itself in the orientational fluctuation modes and plays a major role in their dynamics, which can be exploited to locally measure the strength of chirality in frustrated chiral liquid crystal cells.
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Affiliation(s)
- Guilhem Poy
- L2C, Univ Montpellier, CNRS, Montpellier, France.
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7
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Structural Feature and Internal Motion of Hyperbranching Cluster System with Low Polydispersity and Featured Pattern in Dilute Solutions. CHINESE JOURNAL OF POLYMER SCIENCE 2022. [DOI: 10.1007/s10118-022-2864-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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8
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Poirier A, Banc A, Kapel R, In M, Stocco A, Ramos L. Impact of structural flexibility in the adsorption of wheat and sunflower proteins at an air/water interface. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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9
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Zhu M, Ishaq MW, Li L. Advances in experimental studies of internal motions of non-linear macromolecular systems in solutions. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.124966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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10
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Xiang N, Yuen JS, Stout AJ, Rubio NR, Chen Y, Kaplan DL. 3D porous scaffolds from wheat glutenin for cultured meat applications. Biomaterials 2022; 285:121543. [DOI: 10.1016/j.biomaterials.2022.121543] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 03/29/2022] [Accepted: 04/22/2022] [Indexed: 12/21/2022]
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11
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Thermodynamic insights on the liquid-liquid fractionation of gluten proteins in aqueous ethanol. Food Hydrocoll 2022. [DOI: 10.1016/j.foodhyd.2021.107142] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Poirier A, Stocco A, Kapel R, In M, Ramos L, Banc A. Sunflower Proteins at Air-Water and Oil-Water Interfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:2714-2727. [PMID: 33599128 DOI: 10.1021/acs.langmuir.0c03441] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The adsorption of a sunflower protein extract at two air-water and oil-water interfaces is investigated using tensiometry, dilational viscoelasticity, and ellipsometry. For both interfaces, a three step mechanism was evidenced thanks to master curve representations of the data taken at different aging times and protein concentrations. At short times, a diffusion limited adsorption of proteins at interfaces is demonstrated. First, a two-dimensional protein film is formed with a partition of the polypeptide chains in the two phases that depends strongly on the nature of the hydrophobic phase: most of the film is in the aqueous phase at the air-water interface, while it is mostly in the organic phase at the oil-water interface. Then a three-dimensional saturated monolayer of proteins is formed. At short times, adsorption mechanisms are analogous to those found with typical globular proteins, while strong divergences are observed at longer adsorption times. Following the saturation step, a thick layer expands in the aqueous phase and appears associated with the release of large objects in the bulk. The kinetic evolution of this second layer is compatible with a diffusion limited adsorption of the minor population of polymeric complexes with hydrodynamic radius RH ∼ 80 nm, evidenced in equilibrium with hexameric globulins (RH ∼ 6 nm) in solution. These complexes could result from the presence of residual polyphenols in the extract and raise the question of the role of these compounds in the interfacial properties of plant protein extracts.
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Affiliation(s)
- Alexandre Poirier
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France
| | - Antonio Stocco
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France
- Institut Charles Sadron (ICS), CNRS-UPR22, 23 rue du Loess BP 84047, 67034 Cedex 2 Strasbourg, France
| | - Romain Kapel
- Site Plateforme Sciences du Vivant et de la Santé, Laboratoire Réactions et Génie des Procédés (LRGP), 54500 Vandoeuvre-les-Nancy, France
| | - Martin In
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France
| | - Laurence Ramos
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France
| | - Amélie Banc
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France
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13
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Ramos L, Banc A, Louhichi A, Pincemaille J, Jestin J, Fu Z, Appavou MS, Menut P, Morel MH. Impact of the protein composition on the structure and viscoelasticity of polymer-like gluten gels. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2021; 33:144001. [PMID: 33494081 DOI: 10.1088/1361-648x/abdf91] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 01/25/2021] [Indexed: 06/12/2023]
Abstract
We investigate the structure of gluten polymer-like gels in a binary mixture of water/ethanol, 50/50 v/v, a good solvent for gluten proteins. Gluten comprises two main families of proteins, monomeric gliadins and polymer glutenins. In the semi-dilute regime, scattering experiments highlight two classes of behavior, akin to standard polymer solution and polymer gel, depending on the protein composition. We demonstrate that these two classes are encoded in the structural features of the proteins in very dilute solution, and are correlated with the presence of proteins assemblies of typical size tens of nanometers. The assemblies only exist when the protein mixture is sufficiently enriched in glutenins. They are found directly associated to the presence in the gel of domains enriched in non-exchangeable H-bonds and of size comparable to that of the protein assemblies. The domains are probed in neutron scattering experiments thanks to their unique contrast. We show that the sample visco-elasticity is also directly correlated to the quantity of domains enriched in H-bonds, showing the key role of H-bonds in ruling the visco-elasticity of polymer gluten gels.
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Affiliation(s)
- Laurence Ramos
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France
| | - Amélie Banc
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France
| | - Ameur Louhichi
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France
| | - Justine Pincemaille
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France
- Ingénierie des Agro-polymères et Technologies Emergentes (IATE), Univ. Montpellier, CIRAD, INRAE, Montpellier SupAgro, Montpellier, France
| | - Jacques Jestin
- Laboratoire Léon Brillouin, UMR 12, Université Paris-Saclay, IRAMIS/CEA Saclay, 91191 Gif-sur-Yvette Cedex, France
| | - Zhendong Fu
- Forschungszentrum Jülich GmbH, JCNS am MLZ Lichtenbergstr. 1, 85748 Garching, Germany
| | - Marie-Sousai Appavou
- Forschungszentrum Jülich GmbH, JCNS am MLZ Lichtenbergstr. 1, 85748 Garching, Germany
| | - Paul Menut
- Ingénierie des Agro-polymères et Technologies Emergentes (IATE), Univ. Montpellier, CIRAD, INRAE, Montpellier SupAgro, Montpellier, France
- Université Paris-Saclay, INRAE, AgroParisTech, UMR SayFood, 91300 Massy, France
| | - Marie-Hélène Morel
- Ingénierie des Agro-polymères et Technologies Emergentes (IATE), Univ. Montpellier, CIRAD, INRAE, Montpellier SupAgro, Montpellier, France
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14
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Cornet SHV, van der Goot AJ, van der Sman RGM. Effect of mechanical interaction on the hydration of mixed soy protein and gluten gels. Curr Res Food Sci 2020; 3:134-145. [PMID: 32914129 PMCID: PMC7473356 DOI: 10.1016/j.crfs.2020.03.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Mixed gels of plant proteins are being investigated for use as meat analogues. Juiciness is an important characteristic for the acceptability of meat analogues. The juiciness is assumed to be governed by the hydration properties, or water holding capacity, of the gel (WHC). We analysed the WHC of single-phase gels of respectively soy protein and gluten by applying Flory-Rehner theory. This enabled us to describe the WHC of more the complex mixed gels. The WHC of mixed soy protein - gluten gels is shown not to be a linear combination of their constituents. At high volume fractions, soy forms a continuous network and swells similarly to pure soy without being hindered by gluten. However, increasing gluten content leads to a gradual decrease in soy swelling. This is due to the mechanical interaction between soy and gluten. We propose that gluten-rich gels have a continuous gluten network that entraps soy and hinders its swelling. The elastic moduli of the gluten network were extracted from WHC data, and are in reasonable agreement with experimentally determined moduli. A better understanding of the effect of mixed gel composition on WHC is valuable for the development of the next generation meat analogues.
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Affiliation(s)
- Steven H V Cornet
- Food and Biobased Research, Wageningen University & Research, Bornse Weilanden 9, 6708 WG, Wageningen, the Netherlands
- Food Process Engineering, Agrotechnology and Food Sciences Group, Wageningen University & Research, Bornse Weilanden 9, 6708 WG, Wageningen, the Netherlands
| | - Atze Jan van der Goot
- Food Process Engineering, Agrotechnology and Food Sciences Group, Wageningen University & Research, Bornse Weilanden 9, 6708 WG, Wageningen, the Netherlands
| | - Ruud G M van der Sman
- Food and Biobased Research, Wageningen University & Research, Bornse Weilanden 9, 6708 WG, Wageningen, the Netherlands
- Food Process Engineering, Agrotechnology and Food Sciences Group, Wageningen University & Research, Bornse Weilanden 9, 6708 WG, Wageningen, the Netherlands
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15
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Costanzo S, Banc A, Louhichi A, Chauveau E, Wu B, Morel MH, Ramos L. Tailoring the Viscoelasticity of Polymer Gels of Gluten Proteins through Solvent Quality. Macromolecules 2020. [DOI: 10.1021/acs.macromol.0c01466] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Salvatore Costanzo
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France
| | - Amélie Banc
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France
| | - Ameur Louhichi
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France
| | - Edouard Chauveau
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France
| | - Baohu Wu
- Forschungszentrum Jülich GmbH JCNS am MLZ,Lichtenbergstr. 1, Garching 85748, Germany
| | - Marie-Hélène Morel
- Ingénierie des Agro-Polymères et Technologies Emergentes (IATE), Univ. Montpellier, CIRAD, INRAE, Montpellier SupAgro, Montpellier, France
| | - Laurence Ramos
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France
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16
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Teychené J, Didacus-Prins D, Chouini-Lalanne N, Déjugnat C, Sartor V. Formulation induces direct DNA UV-A photooxidation. Part II. Pro-oxidant effect of formulated Vitamin E via generation of singlet oxygen. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113818] [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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17
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Insight into gluten structure in a mild chaotropic solvent by asymmetrical flow field-flow fractionation (AsFlFFF) and evidence of non-covalent assemblies between glutenin and ω-gliadin. Food Hydrocoll 2020. [DOI: 10.1016/j.foodhyd.2020.105676] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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18
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Rasheed F, Markgren J, Hedenqvist M, Johansson E. Modeling to Understand Plant Protein Structure-Function Relationships-Implications for Seed Storage Proteins. Molecules 2020; 25:E873. [PMID: 32079172 PMCID: PMC7071054 DOI: 10.3390/molecules25040873] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 02/13/2020] [Accepted: 02/14/2020] [Indexed: 11/30/2022] Open
Abstract
Proteins are among the most important molecules on Earth. Their structure and aggregation behavior are key to their functionality in living organisms and in protein-rich products. Innovations, such as increased computer size and power, together with novel simulation tools have improved our understanding of protein structure-function relationships. This review focuses on various proteins present in plants and modeling tools that can be applied to better understand protein structures and their relationship to functionality, with particular emphasis on plant storage proteins. Modeling of plant proteins is increasing, but less than 9% of deposits in the Research Collaboratory for Structural Bioinformatics Protein Data Bank come from plant proteins. Although, similar tools are applied as in other proteins, modeling of plant proteins is lagging behind and innovative methods are rarely used. Molecular dynamics and molecular docking are commonly used to evaluate differences in forms or mutants, and the impact on functionality. Modeling tools have also been used to describe the photosynthetic machinery and its electron transfer reactions. Storage proteins, especially in large and intrinsically disordered prolamins and glutelins, have been significantly less well-described using modeling. These proteins aggregate during processing and form large polymers that correlate with functionality. The resulting structure-function relationships are important for processed storage proteins, so modeling and simulation studies, using up-to-date models, algorithms, and computer tools are essential for obtaining a better understanding of these relationships.
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Affiliation(s)
- Faiza Rasheed
- Department of Plant Breeding, The Swedish University of Agricultural Sciences, Box 101, SE-230 53 Alnarp, Sweden; (F.R.); (J.M.)
- School of Chemical Science and Engineering, Fibre and Polymer Technology, KTH Royal Institute of Technology, SE–100 44 Stockholm, Sweden;
| | - Joel Markgren
- Department of Plant Breeding, The Swedish University of Agricultural Sciences, Box 101, SE-230 53 Alnarp, Sweden; (F.R.); (J.M.)
| | - Mikael Hedenqvist
- School of Chemical Science and Engineering, Fibre and Polymer Technology, KTH Royal Institute of Technology, SE–100 44 Stockholm, Sweden;
| | - Eva Johansson
- Department of Plant Breeding, The Swedish University of Agricultural Sciences, Box 101, SE-230 53 Alnarp, Sweden; (F.R.); (J.M.)
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Banc A, Pincemaille J, Costanzo S, Chauveau E, Appavou MS, Morel MH, Menut P, Ramos L. Phase separation dynamics of gluten protein mixtures. SOFT MATTER 2019; 15:6160-6170. [PMID: 31317157 DOI: 10.1039/c9sm00966c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
We investigate by time-resolved synchrotron ultra-small X-ray scattering the dynamics of liquid-liquid phase-separation (LLPS) of gluten protein suspensions following a temperature quench. Samples at a fixed concentration (237 mg ml-1) but with different protein compositions are investigated. In our experimental conditions, we show that fluid viscoelastic samples depleted in polymeric glutenin phase-separate following a spinodal decomposition process. We quantitatively probe the late stage coarsening that results from a competition between thermodynamics that speeds up the coarsening rate as the quench depth increases and transport that slows down the rate. For even deeper quenches, the even higher viscoelasticity of the continuous phase leads to a "quasi" arrested phase separation. Anomalous phase-separation dynamics is by contrast measured for a gel sample rich in glutenin, due to elastic constraints. This work illustrates the role of viscoelasticity in the dynamics of LLPS in protein dispersions.
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Affiliation(s)
- Amélie Banc
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France.
| | - Justine Pincemaille
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France. and Ingénierie des Agro-polymères et Technologies Emergentes (IATE), Univ. Montpellier, CIRAD, INRA, Montpellier SupAgro, Montpellier, France
| | - Salvatore Costanzo
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France.
| | - Edouard Chauveau
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France.
| | - Marie-Sousai Appavou
- Forschungszentrum Jülich GmbH, Jülich Centre for Neutron Science (JCNS) at Heinz Maier-Leibnitz Zentrum (MLZ) Lichtenbergstr. 1, 85748 Garching, Germany
| | - Marie-Hélène Morel
- Ingénierie des Agro-polymères et Technologies Emergentes (IATE), Univ. Montpellier, CIRAD, INRA, Montpellier SupAgro, Montpellier, France
| | - Paul Menut
- Ingénierie des Agro-polymères et Technologies Emergentes (IATE), Univ. Montpellier, CIRAD, INRA, Montpellier SupAgro, Montpellier, France and Ingénierie Procédés Aliments, AgroParisTech, INRA, Université Paris-Saclay, Massy, France
| | - Laurence Ramos
- Laboratoire Charles Coulomb (L2C), Univ. Montpellier, CNRS, Montpellier, France.
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Gluten-starch interactions in wheat gluten during carboxylic acid deamidation upon hydrothermal treatment. Food Chem 2019; 283:111-122. [DOI: 10.1016/j.foodchem.2019.01.019] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2018] [Revised: 12/10/2018] [Accepted: 01/03/2019] [Indexed: 01/16/2023]
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21
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Boire A, Renard D, Bouchoux A, Pezennec S, Croguennec T, Lechevalier V, Le Floch-Fouéré C, Bouhallab S, Menut P. Soft-Matter Approaches for Controlling Food Protein Interactions and Assembly. Annu Rev Food Sci Technol 2019; 10:521-539. [PMID: 30633568 DOI: 10.1146/annurev-food-032818-121907] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Animal- and plant-based proteins are present in a wide variety of raw and processed foods. They play an important role in determining the final structure of food matrices. Food proteins are diverse in terms of their biological origin, molecular structure, and supramolecular assembly. This diversity has led to segmented experimental studies that typically focus on one or two proteins but hinder a more general understanding of food protein structuring as a whole. In this review, we propose a unified view of how soft-matter physics can be used to control food protein assembly. We discuss physical models from polymer and colloidal science that best describe and predict the phase behavior of proteins. We explore the occurrence of phase transitions along two axes: increasing protein concentration and increasing molecular attraction. This review provides new perspectives on the link between the interactions, phase transitions, and assembly of proteins that can help in designing new food products and innovative food processing operations.
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Affiliation(s)
- Adeline Boire
- Biopolymères Interactions Assemblages, INRA UR1268, F-44300 Nantes, France;
| | - Denis Renard
- Biopolymères Interactions Assemblages, INRA UR1268, F-44300 Nantes, France;
| | - Antoine Bouchoux
- LISBP, Université de Toulouse, CNRS, INRA, INSA, F-31077 Toulouse, France
| | | | | | | | | | - Saïd Bouhallab
- STLO, INRA UMR1253, Agrocampus Ouest, F-35042 Rennes, France
| | - Paul Menut
- Montpellier SupAgro, 34060 Montpellier, France; .,Ingénierie Procédés Aliments, AgroParisTech, INRA, Université Paris-Saclay, 91300 Massy, France
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22
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Microparticles from Wheat-Gluten Proteins Soluble in Ethanol by Nanoprecipitation: Preparation, Characterization, and Their Study as a Prolonged-Release Fertilizer. INT J POLYM SCI 2018. [DOI: 10.1155/2018/1042798] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
At present, the development of natural polymeric microparticles is carried out to obtain release systems. Prolonged-release systems are a potential solution to avoid nitrogen (N) losses in agricultural fields. The aim of this study was to develop microspheres from wheat-gluten proteins soluble in ethanol 70% (v/v), to ascertain their characterization, and to study their potential application in agricultural fields. Soluble-protein extraction was performed with 1600 mL of ethanol 70% (v/v). Likewise, ethanolic solutions with protein concentrations of 0.5%, 1%, and 2% (w/v) are classified as non-Newtonian fluids with pseudoplastic behavior. Using the nanoprecipitation method, it was possible to develop urea-loaded microspheres with a diameter ranging from 900 nm–1.7 μm. The Fourier transform infrared spectroscopy (FTIR) test exhibited interaction through hydrogen bonds between carbonyls and amino groups from the urea and proteins. Also, the thermogravimetric analysis (TGA) test demonstrated thermal stability at 130°C. The release experiment showed that the microspheres achieved equilibrium when 88% of the urea was released. Finally, according to the empirical model of Ritger and Peppas, urea release is carried out through Fickian diffusion. We conclude that the microspheres could be applied in the fields and with this improve agricultural practices. Also, they could reduce the potential environmental pollution and developing a sustainable agriculture.
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Poirier A, Banc A, Stocco A, In M, Ramos L. Multistep building of a soft plant protein film at the air-water interface. J Colloid Interface Sci 2018; 526:337-346. [DOI: 10.1016/j.jcis.2018.04.087] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 04/22/2018] [Accepted: 04/23/2018] [Indexed: 01/24/2023]
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25
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Boire A, Bouchoux A, Bouhallab S, Chapeau AL, Croguennec T, Ferraro V, Lechevalier V, Menut P, Pézennec S, Renard D, Santé-Lhoutellier V, Laleg K, Micard V, Riaublanc A, Anton M. Proteins for the future: A soft matter approach to link basic knowledge and innovative applications. INNOV FOOD SCI EMERG 2018. [DOI: 10.1016/j.ifset.2017.06.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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27
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Liao L, Han XY, Zhao MM, Ni L, Liu ZB, Zhang W. Effect of native aggregation state of soluble wheat gluten on deamidation behavior in a carboxylic acid/heat water solution. J Cereal Sci 2016. [DOI: 10.1016/j.jcs.2016.09.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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28
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Banc A, Charbonneau C, Dahesh M, Appavou MS, Fu Z, Morel MH, Ramos L. Small angle neutron scattering contrast variation reveals heterogeneities of interactions in protein gels. SOFT MATTER 2016; 12:5340-5352. [PMID: 27198847 DOI: 10.1039/c6sm00710d] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We propose a quantitative approach to probe the spatial heterogeneities of interactions in macromolecular gels, based on a combination of small angle X-ray (SAXS) and neutrons (SANS) scattering. We investigate the structure of model gluten protein gels and show that the gels display radically different SAXS and SANS profiles when the solvent is (at least partially) deuterated. The detailed analysis of the SANS signal as a function of the solvent deuteration demonstrates heterogeneities of sample deuteration at different length scales. The progressive exchange between the protons (H) of the proteins and the deuteriums (D) of the solvent is inhomogeneous and 60 nm large zones that are enriched in H are evidenced. In addition, at low protein concentration, in the sol state, solvent deuteration induces a liquid/liquid phase separation. Complementary biochemical and structure analyses show that the denser protein phase is more protonated and specifically enriched in glutenin, the polymeric fraction of gluten proteins. These findings suggest that the presence of H-rich zones in gluten gels would arise from the preferential interaction of glutenin polymers through a tight network of non-exchangeable intermolecular hydrogen bonds.
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Affiliation(s)
- A Banc
- Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-Université de Montpellier, F-34095 Montpellier, France.
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Lindgren A, Simsek S. Evaluation of Hard Red Spring Wheat Mill Stream Fractions Using Solvent Retention Capacity Test. J FOOD PROCESS PRES 2016. [DOI: 10.1111/jfpp.12590] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Amber Lindgren
- Department of Plant Sciences; North Dakota State University; PO Box 6050, Department 7670 Fargo ND 58105
| | - Senay Simsek
- Department of Plant Sciences; North Dakota State University; PO Box 6050, Department 7670 Fargo ND 58105
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30
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Dahesh M, Banc A, Duri A, Morel MH, Ramos L. Spontaneous gelation of wheat gluten proteins in a food grade solvent. Food Hydrocoll 2016. [DOI: 10.1016/j.foodhyd.2015.06.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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