Stable aqueous foams created with intercalated montmorillonite nanoclay coated by sodium caseinate

Published on May 1, 2019in Journal of Food Engineering3.63
· DOI :10.1016/j.jfoodeng.2018.12.011
Yongguang Guan11
Estimated H-index: 11
(UT: University of Tennessee),
Qixin Zhong31
Estimated H-index: 31
(UT: University of Tennessee)
Abstract Fabrication of stable aqueous foams is significant to various food and non-food applications. In the present study, we report aqueous foams with a volume maintained for 14 days after whipping suspensions with intercalated montmorillonite (MMT) platelets coated with sodium caseinate (NaCas). Intercalating MMT preheated at 60 °C for 1 h with room temperature NaCas solution resulted in a good extent of intercalated and exfoliated MMT platelets coated with NaCas. The high extent of MMT intercalation and exfoliation may have enabled the formation of relatively uniform and spherical bubbles, mechanically strong films, and a viscoelastic continuous phase, all of which may have helped to stabilize bubbles against various destabilization mechanisms. However, the insufficient MMT intercalation or excessive preheating causing re-aggregation of MMT platelets may have led to less than optimum structures and stabilities of foams. This study contributes to materials-based approaches to form aqueous foams with excellent kinetic stability valuable to various applications.
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Published on Feb 1, 2017in Food Hydrocolloids5.84
Bernard P. Binks59
Estimated H-index: 59
(University of Hull),
Kelly Muijlwijk1
Estimated H-index: 1
+ 1 AuthorsAt Albert Poortinga6
Estimated H-index: 6
The aim of this study was to investigate the possibility of stabilising foam bubbles in water by adsorption of calcium carbonate (CaCO3) particles. Because CaCO3 is hydrophilic and not surface-active, particles were hydrophobised in situ with several emulsifiers. The used emulsifiers were food-grade and negatively charged at the pH employed. The effect of particle addition on foamability and foam stability of solutions containing either β-lactoglobulin, sodium caseinate, Quillaja, sodium dodecan...
Published on Oct 21, 2015
Salvatore Iannace1
Estimated H-index: 1
Chul Park62
Estimated H-index: 62
Published on Jun 1, 2015in Food Hydrocolloids5.84
Viviane Machado Azevedo9
Estimated H-index: 9
Marali Vilela Dias6
Estimated H-index: 6
+ 4 AuthorsNilda de Fátima Ferreira Soares24
Estimated H-index: 24
Abstract The use of bio-nanocomposites for liberation of active substances is one of the popular alternatives for safely preserving food. In this context, the objective of this paper was to evaluate the interaction between montmorillonite sodium clay nanoparticles (MMT) and citric acid (CA) on whey protein isolate (WPI) bio-nanocomposites, developed by casting . CA was added to aid in the dispersion of MMT layers. The thermal analysis revealed that the addition of MMT, alone, increased the therm...
Published on May 1, 2015in Biomedical Optics Express3.91
Ali Bavali4
Estimated H-index: 4
(AUT: Amirkabir University of Technology),
Parviz Parvin16
Estimated H-index: 16
(AUT: Amirkabir University of Technology)
+ 1 AuthorsS. Salman Nourazar19
Estimated H-index: 19
(AUT: Amirkabir University of Technology)
The effect of carbon nanostructures such as graphene (G), graphene oxide (GO) and nanodiamond (ND) on the spectral properties of Rhodamine 6G (Rd6G) emission due to the laser induced fluorescence (LIF) was investigated. It is shown that the addition of carbon nano- structures lead to sensible Red/Blue shifts which depend on the optical properties and surface functionality of nanoparticles. The current theories such as resonance energy transfer (RET), fluorescence quenching and photon propagation...
Stephanie Lam6
Estimated H-index: 6
(NCSU: North Carolina State University),
Krassimir P. Velikov28
Estimated H-index: 28
(UU: Utrecht University),
Orlin D. Velev59
Estimated H-index: 59
(NCSU: North Carolina State University)
Abstract The focus in the study of Pickering foams and emulsions has recently been shifting from using inorganic particles to adopting particles of biological origin for stabilization. This shift is motivated by the incompatibility of some inorganic particles for food and biomedical applications, as well as their poor sustainability. This review focuses on major developments in foams and emulsions stabilized by particles of biological origin from the last 5 years. Recent reports in the literatur...
Anne-Laure Fameau15
Estimated H-index: 15
(INRA: Institut national de la recherche agronomique),
Audrey Arnould5
Estimated H-index: 5
(INRA: Institut national de la recherche agronomique),
Arnaud Saint-Jalmes26
Estimated H-index: 26
(CNRS: Centre national de la recherche scientifique)
Abstract Fatty acids are anionic surfactants under their deprotonated forms. They are surfactants with both biodegrability and low toxicity. Fatty acid molecules can self-assemble under various shapes in an aqueous solution. These self-assembled structures can respond to stimuli such as pH, CO 2 and temperature due to changes occurring at the molecular level. These specificities make them surfactants of special interest to tune the properties at a macroscopic scale. The aim of this article is to...
M.C. Amiri6
Estimated H-index: 6
(IUT: Isfahan University of Technology),
H. Sadeghialiabadi2
Estimated H-index: 2
(IUT: Isfahan University of Technology)
Abstract To block rock pores in aphron drilling operation, colloidal gas aphrons (CGAs) stability is a key factor to minimize formation damage. Although the synergistic stabilization of aqueous foam by solid particles and surfactants has been extensively studied, there are few references for synergistic stabilization of CGAs. In this experimental study, stability of CGAs has been investigated in the presence of nanoparticles. CGAs dispersion were generated by stirring at 7000 rpm for 4 min in th...
Published on Jul 8, 2014in Soft Matter3.40
Kang Pan10
Estimated H-index: 10
(UT: University of Tennessee),
Yangchao Luo28
Estimated H-index: 28
(UT: University of Tennessee)
+ 2 AuthorsQixin Zhong31
Estimated H-index: 31
(UT: University of Tennessee)
The poor water solubility and bioactivity of lipophilic phytochemicals can be potentially improved by delivery systems. In this study, a low-cost, low-energy, and organic solvent-free encapsulation technology was studied by utilizing the pH-dependent solubility properties of curcumin and self-assembly properties of sodium caseinate (NaCas). Curcumin was deprotonated and dissolved, while NaCas was dissociated at pH 12 and 21 °C for 30 min. The subsequent neutralization enabled the encapsulation o...
Published on Mar 1, 2014in Advances in Colloid and Interface Science8.24
Emmanuelle Rio17
Estimated H-index: 17
(University of Paris-Sud),
Wiebke Drenckhan21
Estimated H-index: 21
(University of Paris-Sud)
+ 1 AuthorsDominique Langevin50
Estimated H-index: 50
(University of Paris-Sud)
Abstract Obtaining stable liquid foams is an important issue in view of their numerous applications. In some of these, the liquid foam in itself is of interest, in others, the liquid foam acts as a precursor for the generation of solid foam. In this short review, we will make a survey of the existing results in the area. This will include foams stabilised by surfactants, proteins and particles. The origin of the stability is related to the slowing down of coarsening, drainage or coalescence, and...
Yves Chevalier26
Estimated H-index: 26
(UCBL: Claude Bernard University Lyon 1),
Marie-Alexandrine Bolzinger18
Estimated H-index: 18
(UCBL: Claude Bernard University Lyon 1)
Abstract Pickering emulsions are attractive formulations because they are simple and bear strong similarities with the well-known surfactant-based emulsions. Pickering emulsions have been largely ignored since their early disclosure in 1907 and arouse a renewed interest quite recently. Since this unintelligible time gap raises suspicion, the first aim of the present review is giving the simple fundamental rules as an introduction for newcomers in the topic. The basic physical chemistry of Picker...
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