1
|
Viscoelastic coarsening of quasi-2D foam. Nat Commun 2023; 14:1125. [PMID: 36854671 PMCID: PMC9975196 DOI: 10.1038/s41467-023-36763-y] [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: 07/12/2022] [Accepted: 02/13/2023] [Indexed: 03/02/2023] Open
Abstract
Foams are unstable jammed materials. They evolve over timescales comparable to their "time of use", which makes the study of their destabilisation mechanisms crucial for applications. In practice, many foams are made from viscoelastic fluids, which are observed to prolong their lifetimes. Despite their importance, we lack understanding of the coarsening mechanism in such systems. We probe the effect of continuous phase viscoelasticity on foam coarsening with foamed emulsions. We show that bubble size evolution is strongly slowed down and foam structure hugely impacted. The main mechanisms responsible are the absence of continuous phase redistribution and a non-trivial link between foam structure and mechanical properties. These combine to give spatially heterogeneous coarsening. Beyond their importance in the design of foamy materials, the results give a macroscopic vision of phase separation in a viscoelastic medium.
Collapse
|
2
|
Håkansson A, Brandt L. Deformation and initial breakup morphology of viscous emulsion drops in isotropic homogeneous turbulence with relevance for emulsification devices. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2022.117599] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
3
|
Bibat MAD, Ang MJ, Eun JB. Impact of replacing pork backfat with rapeseed oleosomes - Natural pre-emulsified oil - On technological properties of meat model systems. Meat Sci 2022; 186:108732. [PMID: 35026537 DOI: 10.1016/j.meatsci.2021.108732] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 12/25/2021] [Accepted: 12/31/2021] [Indexed: 10/19/2022]
Abstract
The application of natural oil droplets called oleosomes (OSs) as a potential fat replacer in comminuted meat products was investigated by evaluating the influence of rapeseed OS incorporation at 0, 25, 50, 75 and 100% pork fat substitution levels on the technological properties of meat model systems. The moisture content, pH, L* and b* of meat model systems increased while the fat content and a* decreased with the increasing levels of fat replacement. Treatments prepared with OSs showed improvements in emulsion and oxidative stability of meat batters. Texture profile analysis revealed the production of softer, less gummy and less chewy meat systems, whereas micrographs showed smaller-sized fat globules within compact protein matrices as OS levels were increased. Sensory evaluation results exhibited that treatments with partial replacement (≤ 50%) of pork fat by OSs were generally acceptable. The results demonstrate the possibility of maintaining or improving certain technological properties of meat systems with the use of OSs as fat replacer.
Collapse
Affiliation(s)
- Marie Anna Dominique Bibat
- Department of Integrative Food, Bioscience and Biotechnology, Graduate School of Chonnam National University, Gwangju 61186, South Korea
| | - Mary Jasmin Ang
- Department of Veterinary Anatomy and Animal Behavior, College of Veterinary Medicine and BK21 FOUR Program, Chonnam National University, Gwangju 61186, Republic of Korea.
| | - Jong-Bang Eun
- Department of Integrative Food, Bioscience and Biotechnology, Graduate School of Chonnam National University, Gwangju 61186, South Korea.
| |
Collapse
|
4
|
Denkov N, Tcholakova S, Politova-Brinkova N. Physicochemical control of foam properties. Curr Opin Colloid Interface Sci 2020. [DOI: 10.1016/j.cocis.2020.08.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
|
5
|
Li R, Manica R, Lu Y, Xu Z. Role of surfactants in spontaneous displacement of high viscosity oil droplets from solid surfaces in aqueous solutions. J Colloid Interface Sci 2020; 579:898-908. [PMID: 32711230 DOI: 10.1016/j.jcis.2020.06.069] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 06/14/2020] [Accepted: 06/15/2020] [Indexed: 10/24/2022]
Abstract
HYPOTHESIS Displacement of oil droplets receding from solid surfaces in aqueous solutions plays a critical role in many household activities and industrial operations. Surfactants are often involved in these activities to control the displacement process. We hypothesize that the influence of surfactants on the displacement process of oil is highly dependent on the type and dosage of surfactants, with the mechanisms being elucidated by the analysis using appropriate dynamic wetting models. EXPERIMENTS We systematically investigated the spontaneous displacement of a high viscosity oil on curved hydrophilic glass surfaces in aqueous solutions of anionic sodium dodecylbenzene sulfonate, cationic hexadecyl trimethyl ammonium bromide, and nonionic TritonTM X-100 over a wide range of concentrations. FINDINGS The rather different oil displacement behaviors were observed with different surfactant additions. The displacement dynamics of the receding oil droplet was found to be inhibited by surfactant additions and followed two distinct models quantitatively: the power-law model describing the temporal evolution of early-stage displacement, and the molecular kinetic model describing the dependence of the three-phase contact line displacement velocity on the dynamic contact angle at the late stage of oil displacement. The model-based data analysis provided insights on the role of surfactants in controlling the oil displacement dynamics.
Collapse
Affiliation(s)
- Rui Li
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada.
| | - Rogerio Manica
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada.
| | - Yi Lu
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada.
| | - Zhenghe Xu
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada; Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China.
| |
Collapse
|
6
|
Calvo F, Gómez JM, Ricardez-Sandoval L, Alvarez O. Integrated design of emulsified cosmetic products: A review. Chem Eng Res Des 2020. [DOI: 10.1016/j.cherd.2020.07.014] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
|
7
|
Cholakova D, Glushkova D, Tcholakova S, Denkov N. Nanopore and Nanoparticle Formation with Lipids Undergoing Polymorphic Phase Transitions. ACS NANO 2020; 14:8594-8604. [PMID: 32608967 DOI: 10.1021/acsnano.0c02946] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
We describe several unexpected phenomena, caused by a solid-solid phase transition (gel-to-crystal) typical for all main classes of lipid substances: phospholipids, triglycerides, diglycerides, alkanes, etc. We discovered that this transition leads to spontaneous formation of a network of nanopores, spreading across the entire lipid structure. These nanopores are spontaneously impregnated (flooded) by water when appropriate surfactants are present, thus fracturing the lipid structure at a nanoscale. As a result, spontaneous disintegration of the lipid into nanoparticles or formation of double emulsions is observed, just by cooling and heating of an initial coarse lipid-in-water dispersion around the lipid melting temperature. The process of nanoparticle formation is effective even after incorporation of medical drugs of high load, up to 50% in the lipid phase. The role of the main governing factors is clarified, the procedure is optimized, and the possibility for its scaling-up to industrially relevant amounts is demonstrated.
Collapse
Affiliation(s)
- Diana Cholakova
- Department of Chemical and Pharmaceutical Engineering, Faculty of Chemistry and Pharmacy, Sofia University, 1 James Bourchier Avenue, 1164 Sofia, Bulgaria
| | - Desislava Glushkova
- Department of Chemical and Pharmaceutical Engineering, Faculty of Chemistry and Pharmacy, Sofia University, 1 James Bourchier Avenue, 1164 Sofia, Bulgaria
| | - Slavka Tcholakova
- Department of Chemical and Pharmaceutical Engineering, Faculty of Chemistry and Pharmacy, Sofia University, 1 James Bourchier Avenue, 1164 Sofia, Bulgaria
| | - Nikolai Denkov
- Department of Chemical and Pharmaceutical Engineering, Faculty of Chemistry and Pharmacy, Sofia University, 1 James Bourchier Avenue, 1164 Sofia, Bulgaria
| |
Collapse
|
8
|
Debeli DK, Lin C, Gan L, Deng J, Hu L, Shan G. Enhanced Stability of the Dispersed Phase Stabilized by Polyether-Modified Siloxane in the Double Emulsion System: Storage Stability and Rheological Investigation. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c01260] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Dereje Kebebew Debeli
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
- Institute of Zhejiang University-Quzhou, Quzhou 324000, China
| | - Chao Lin
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
- Institute of Zhejiang University-Quzhou, Quzhou 324000, China
| | - Liang Gan
- Infinitus (China) Company Ltd, Guangzhou 510623, China
| | - Jianjun Deng
- Infinitus (China) Company Ltd, Guangzhou 510623, China
| | - Liuyun Hu
- Infinitus (China) Company Ltd, Guangzhou 510623, China
| | - Guorong Shan
- State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
- Institute of Zhejiang University-Quzhou, Quzhou 324000, China
| |
Collapse
|
9
|
|
10
|
Torres JJ, Tinjaca CD, Alvarez OA, Gómez JM. Optimization proposal for emulsions formulation considering a multiscale approach. Chem Eng Sci 2020. [DOI: 10.1016/j.ces.2019.115326] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
11
|
Foams generated from viscous non-Newtonian shear-thinning liquids in a continuous multi rotor-stator device. INNOV FOOD SCI EMERG 2020. [DOI: 10.1016/j.ifset.2019.102231] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
12
|
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.).
Collapse
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
| | | |
Collapse
|
13
|
Tripodi E, Lazidis A, Norton IT, Spyropoulos F. Production of Oil-in-Water Emulsions with Varying Dispersed-Phase Content using Confined Impinging Jet Mixers. Ind Eng Chem Res 2019; 58:14859-14872. [PMID: 32063670 PMCID: PMC7011702 DOI: 10.1021/acs.iecr.9b00634] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 07/02/2019] [Accepted: 07/08/2019] [Indexed: 11/28/2022]
Abstract
This work reports for the first time on the use of Confined Impinging Jet Mixers (CIJM) for the production of emulsions with dispersed-phase content up to 80 wt %, in both the surfactant-poor and -rich regimes, following the exposure to varying CIJM hydrodynamic conditions. It was observed computationally and experimentally that the CIJM capacity resulted strictly dependent on the mass jet flow rate (W jet > 176 g/min) and the pre-emulsion droplet size (>10 μm). CIJM emulsification performance remained (almost) unaffected by the variation in the oil mass fraction. All systems showed the lowest droplet size (∼8 μm) and similar droplet size distributions under the highest W jet. Conditionally onto the Tween20 availability, the emulsion d 3,2 was primarily determined by formulation characteristics in the surfactant poor-regime and by the CIJM energy dissipation rate in the surfactant-rich regime. In conclusion, this study offers further insights into the CIJM suitability as a realistic alternative to already-established emulsification methods.
Collapse
Affiliation(s)
- Ernesto Tripodi
- School of Chemical Engineering, University of Birmingham, B15 2TT Birmingham, United Kingdom
| | - Aristodimos Lazidis
- School of Chemical Engineering, University of Birmingham, B15 2TT Birmingham, United Kingdom
| | - Ian T Norton
- School of Chemical Engineering, University of Birmingham, B15 2TT Birmingham, United Kingdom
| | - Fotis Spyropoulos
- School of Chemical Engineering, University of Birmingham, B15 2TT Birmingham, United Kingdom
| |
Collapse
|
14
|
Siva SP, Kow KW, Chan CH, Tang SY, Ho YK. Prediction of droplet sizes for oil-in-water emulsion systems assisted by ultrasound cavitation: Transient scaling law based on dynamic breakup potential. ULTRASONICS SONOCHEMISTRY 2019; 55:348-358. [PMID: 30871878 DOI: 10.1016/j.ultsonch.2018.12.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Revised: 12/27/2018] [Accepted: 12/28/2018] [Indexed: 06/09/2023]
Abstract
The dynamics of droplet breakup during emulsification is a complicated process due to the interplay between multiple physico-chemical and hydrodynamic factors, especially in an energy-intensive ultrasound-assisted emulsification process. In this work, by mapping the physical processing parameters of ultrasound emulsification into a reduced domain that is governed by the power density and the initial average droplet diameter, a dimensionless parameter that resembles the dynamic breakup potential (η) was established via dimensional analysis. In addition to shedding important insights into the emulsification process, η further facilitates the establishment of a transient scaling relationship that is a function of the characteristic value (a) of the emulsion system. Experimental case study on a cellulose nanocrystals (CNC)-based olein-in-water emulsion system prepared via ultrasound cavitation confirmed the validity of the scaling relationship and sub-universal self-similarity was observed. Using the proposed model, good predictions of the transient of droplet size evolution were attained where the value of η, i.e. the proportionality constant, can be conveniently computed using data from a single time point. Application on other emulsion systems further suggested that the value of a possibly indicates the relative minimum size limit of a particular fluids-emulsifier system. Our approach is general, which encourages widespread adoption for emulsification related studies.
Collapse
Affiliation(s)
- Sangeetaprivya P Siva
- Chemical Engineering Discipline, School of Engineering, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Selangor, Malaysia
| | - Kien-Woh Kow
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, The University of Nottingham Ningbo China, Ningbo 315100, PR China
| | - Chung-Hung Chan
- Advanced Oleochemical Technology Division, Malaysian Palm Oil Board, 43000 Kajang, Selangor, Malaysia
| | - Siah Ying Tang
- Chemical Engineering Discipline, School of Engineering, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Selangor, Malaysia; Monash-Industry Palm Oil Education and Research Platform, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Selangor, Malaysia
| | - Yong Kuen Ho
- Chemical Engineering Discipline, School of Engineering, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Selangor, Malaysia; Monash-Industry Palm Oil Education and Research Platform, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Selangor, Malaysia.
| |
Collapse
|
15
|
Håkansson A. Emulsion Formation by Homogenization: Current Understanding and Future Perspectives. Annu Rev Food Sci Technol 2019; 10:239-258. [DOI: 10.1146/annurev-food-032818-121501] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Emulsion formation by homogenization is commonly used in food production and research to increase product stability and to design colloidal structures. High-energy methods such as high-pressure homogenizers and rotor–stator mixers are the two most common techniques. However, to what extent does the research community understand the emulsion formation taking place in these devices? This contribution attempts to answer this question through critically reviewing the scientific literature, starting with the hydrodynamics of homogenizers and continuing by reviewing drop breakup and coalescence. It is concluded that although research in this field has been ongoing for a century and has provided a substantial amount of empirical correlations and scaling laws, the fundamental understanding is still limited, especially in the case of emulsions with a high-volume fraction of the disperse phase, as seen in many food applications. These limitations in the current understanding are also used to provide future perspectives and suggest directions for further investigation.
Collapse
Affiliation(s)
- Andreas Håkansson
- Department of Food Technology, Engineering and Nutrition, LTH, Lund University, SE-221 00 Lund, Sweden
- Department of Food and Meal Science, Kristianstad University, SE-291 88 Kristianstad, Sweden
| |
Collapse
|
16
|
Joseph C, Savoire R, Harscoat-Schiavo C, Pintori D, Monteil J, Leal-Calderon F, Faure C. O/W Pickering emulsions stabilized by cocoa powder: Role of the emulsification process and of composition parameters. Food Res Int 2019; 116:755-766. [DOI: 10.1016/j.foodres.2018.09.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 08/21/2018] [Accepted: 09/07/2018] [Indexed: 10/28/2022]
|
17
|
Pradilla D, Barrera A, Sætran MG, Sørland G, Alvarez O. Mechanisms of Physical Stabilization of Concentrated Water-In-Oil Emulsions Probed by Pulse Field Gradient Nuclear Magnetic Resonance and Rheology through a Multiscale Approach. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:9489-9499. [PMID: 30016868 DOI: 10.1021/acs.langmuir.8b01393] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The long-term physical stability of surfactant-stabilized (Span 80 and Tween 20) concentrated water-in-mineral oil (W/O) emulsions in the presence of an electrolyte (NaCl) was studied. Pulse field gradient NMR and rheology (bulk and interfacial) were used to probe the response at the macroscopic, microscopic, and molecular levels, rendering a multiscale approach. The results show that: (1) Emulsions prepared with NaCl exhibit higher values of the elastic shear modulus ( Gwith NaCl' > Gwithout NaCl') even after ∼20 days. (2) The stabilization effect of salt against the coarsening of droplets is not due to the differences in droplet size (and thus G') or the energy incorporated through emulsification. (3) NaCl relaxes the liquid-liquid interface via a salting-in effect, which results in a lower interfacial shear elasticity ( Gwith NaCls' < Gwithout NaCls') and a higher resistance to coarsening events because of the changes in the adsorption density of the layer.
Collapse
Affiliation(s)
- Diego Pradilla
- Grupo de Diseño de Producto y de Proceso (GDPP), Departamento de Ingeniería Química , Universidad de los Andes , Carrera 1 este No. 18A-12, Edificio Mario Laserna, Piso 7 , Bogotá 110111 , Colombia
| | - Ana Barrera
- Grupo de Diseño de Producto y de Proceso (GDPP), Departamento de Ingeniería Química , Universidad de los Andes , Carrera 1 este No. 18A-12, Edificio Mario Laserna, Piso 7 , Bogotá 110111 , Colombia
| | - May Grete Sætran
- Ugelstad Laboratory, Department of Chemical Engineering , The Norwegian University of Science and Technology (NTNU) , Trondheim 7491 , Norway
| | - Geir Sørland
- Ugelstad Laboratory, Department of Chemical Engineering , The Norwegian University of Science and Technology (NTNU) , Trondheim 7491 , Norway
| | - Oscar Alvarez
- Grupo de Diseño de Producto y de Proceso (GDPP), Departamento de Ingeniería Química , Universidad de los Andes , Carrera 1 este No. 18A-12, Edificio Mario Laserna, Piso 7 , Bogotá 110111 , Colombia
| |
Collapse
|
18
|
Factors affecting the properties of nitrocellulose emulsions: A comparative study. Carbohydr Polym 2018; 189:267-272. [DOI: 10.1016/j.carbpol.2017.11.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Revised: 10/31/2017] [Accepted: 11/01/2017] [Indexed: 11/18/2022]
|
19
|
Role of surface properties for the kinetics of bubble Ostwald ripening in saponin-stabilized foams. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2017.04.055] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
20
|
Dubbelboer A, Janssen JJ, Hoogland H, Zondervan E, Meuldijk J. Pilot-scale production process for high internal phase emulsions: Experimentation and modeling. Chem Eng Sci 2016. [DOI: 10.1016/j.ces.2016.03.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
|
21
|
|
22
|
|
23
|
Model emulsions to study the mechanism of industrial mayonnaise emulsification. FOOD AND BIOPRODUCTS PROCESSING 2016. [DOI: 10.1016/j.fbp.2016.01.011] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
24
|
Mansard V, Mecca JM, Dermody DL, Malotky D, Tucker CJ, Squires TM. Collective Rayleigh-Plateau Instability: A Mimic of Droplet Breakup in High Internal Phase Emulsion. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:2549-2555. [PMID: 26963440 DOI: 10.1021/acs.langmuir.5b04727] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Using a microfluidic multi-inlet coflow system, we show the Rayleigh-Plateau instability of adjacent, closely spaced fluid threads to be collective. Although droplet size distributions and breakup frequencies are unaffected by cooperativity when fluid threads are identical, breakup frequencies and wavelengths between mismatched fluid threads become locked due to this collective instability. Locking narrows the size distribution of drops that are produced from dissimilar threads, and thus the polydispersity of the emulsion. These observations motivate a hypothesized two-step mechanism for high internal phase emulsification, wherein coarse emulsion drops are elongated into close-packed fluid threads, which break into smaller droplets via a collective Rayleigh Plateau instability. Our results suggest that these elongated fluid threads break cooperatively, whereupon wavelength-locking reduces the ultimate droplet polydispersity of high-internal phase emulsions, consistent with experimental observations.
Collapse
Affiliation(s)
- Vincent Mansard
- Department of Chemical Engineering, University of California , Santa Barbara, California 93106-5080, United States
| | - Jodi M Mecca
- Formulation Science, Core Research and Development, The Dow Chemical Company , Midland, Michigan 48674, United States
| | - Dan L Dermody
- Formulation Science, Core Research and Development, The Dow Chemical Company , Midland, Michigan 48674, United States
| | - David Malotky
- Formulation Science, Core Research and Development, The Dow Chemical Company , Midland, Michigan 48674, United States
| | - Chris J Tucker
- Formulation Science, Core Research and Development, The Dow Chemical Company , Midland, Michigan 48674, United States
| | - Todd M Squires
- Department of Chemical Engineering, University of California , Santa Barbara, California 93106-5080, United States
| |
Collapse
|
25
|
Comparative study of gel emulsification and direct mechanical emulsification methods. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2015.12.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
|
26
|
Pagureva N, Tcholakova S, Golemanov K, Denkov N, Pelan E, Stoyanov SD. Surface properties of adsorption layers formed from triterpenoid and steroid saponins. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2015.12.001] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
27
|
|
28
|
Wang X, Liu Y, Dong H, Sun Q, Shen Y, Ji R. A Three-Step Model for Submicron W/O Emulsion Formation in a Transitional-Phase Inversion Process. J DISPER SCI TECHNOL 2015. [DOI: 10.1080/01932691.2015.1088453] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
29
|
Drenckhan W, Saint-Jalmes A. The science of foaming. Adv Colloid Interface Sci 2015; 222:228-59. [PMID: 26056064 DOI: 10.1016/j.cis.2015.04.001] [Citation(s) in RCA: 112] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Revised: 04/08/2015] [Accepted: 04/08/2015] [Indexed: 02/02/2023]
Abstract
The generation of liquid foams is at the heart of numerous natural, technical or scientific processes. Even though the subject of foam generation has a long-standing history, many recent progresses have been made in an attempt to elucidate the fundamental processes at play. We review the subject by providing an overview of the relevant key mechanisms of bubble generation within a coherent hydrodynamic context; and we discuss different foaming techniques which exploit these mechanisms.
Collapse
|
30
|
Kinetics of formation of polysaccharide-covered micrometric oil droplets under mechanical agitation. Colloids Surf A Physicochem Eng Asp 2015. [DOI: 10.1016/j.colsurfa.2014.10.048] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
31
|
Predicting the combined effects of oil and surfactant concentrations on the drop size distributions of homogenized emulsions. Colloids Surf A Physicochem Eng Asp 2015. [DOI: 10.1016/j.colsurfa.2014.11.032] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
32
|
Covis R, Marie E, Durand A, Baravian C. Kinetics of formation of oil-in-water emulsions usingin siturheo-optical measurements. AIChE J 2014. [DOI: 10.1002/aic.14626] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Rudy Covis
- CNRS, LCPM, FRE 3564; Nancy F-54001 France
- Université de Lorraine, LCPM, FRE 3564; Nancy F-54001 France
| | - Emmanuelle Marie
- CNRS, LCPM, FRE 3564; Nancy F-54001 France
- Université de Lorraine, LCPM, FRE 3564; Nancy F-54001 France
| | - Alain Durand
- CNRS, LCPM, FRE 3564; Nancy F-54001 France
- Université de Lorraine, LCPM, FRE 3564; Nancy F-54001 France
| | - Christophe Baravian
- CNRS, LEMTA, UMR 7563; Nancy F-54001 France
- Université de Lorraine, LEMTA, UMR 7563; Nancy F-54001 France
| |
Collapse
|
33
|
Borodina TN, Grigoriev DO, Carillo MA, Hartmann J, Moehwald H, Shchukin DG. Preparation of multifunctional polysaccharide microcontainers for lipophilic bioactive agents. ACS APPLIED MATERIALS & INTERFACES 2014; 6:6570-8. [PMID: 24708592 DOI: 10.1021/am406039r] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Chitosan/xanthan gum microcontainers with a core-shell structure formed due to chemical interactions between polysaccharide chains induced by ultrasonication are presented. Containers were prepared by sonication of water-immiscible (oil-like) liquids in the solution of polysaccharides. One-step fabrication of the container permanent shell is possible, because of the contribution of ultrasonically caused formation of hydrogen bonds and amide linkages. We synthesized containers in a wide size range from 350 nm to 7500 nm, varying in oil/water ratio. The microcontainers were modified with oppositely charged polyelectrolytes and microparticles, which could be used to impart the specified properties to the system. The biocide 4,5-dichloro-2-n-octyl-4-isothiazoline-3-one (DCOIT) was loaded into the proposed containers by utilizing its solution as an oil phase. The following incorporation of the DCOIT containers into the polymer coating demonstrated more sustained antimicrobial activity (∼30%) of the biocide in the encapsulated state, compared to its non-encapsulated form.
Collapse
Affiliation(s)
- Tatiana N Borodina
- Laboratory of Bioorganic Structures, Shubnikov Institute of Crystallography Russian Academy of Sciences, Moscow, Russia
| | | | | | | | | | | |
Collapse
|
34
|
Julian Becker P, Puel F, Jakobsen HA, Sheibat-Othman N. Development of an improved breakage kernel for high dispersed viscosity phase emulsification. Chem Eng Sci 2014. [DOI: 10.1016/j.ces.2014.02.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
35
|
Gutiérrez G, Matos M, Benito JM, Coca J, Pazos C. Preparation of HIPEs with controlled droplet size containing lutein. Colloids Surf A Physicochem Eng Asp 2014. [DOI: 10.1016/j.colsurfa.2013.05.077] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
36
|
Effect of interfacial dilational rheology on the breakage of dispersed droplets in a dilute oil–water emulsion. Colloids Surf A Physicochem Eng Asp 2014. [DOI: 10.1016/j.colsurfa.2013.08.075] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
37
|
Janssen JJ, Hoogland H. Modelling strategies for emulsification in industrial practice. CAN J CHEM ENG 2013. [DOI: 10.1002/cjce.21942] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jo J.M. Janssen
- Unilever R&D Vlaardingen; Olivier van Noortlaan 120 3133 AT Vlaardingen The Netherlands
| | - Hans Hoogland
- Unilever R&D Vlaardingen; Olivier van Noortlaan 120 3133 AT Vlaardingen The Netherlands
| |
Collapse
|
38
|
Anihouvi PP, Danthine S, Kegelaers Y, Dombree A, Blecker C. Comparison of the physicochemical behavior of model oil-in-water emulsions based on different lauric vegetal fats. Food Res Int 2013. [DOI: 10.1016/j.foodres.2013.04.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
39
|
Becker PJ, Puel F, Chevalier Y, Sheibat-Othman N. Monitoring silicone oil droplets during emulsification in stirred vessel: Effect of dispersed phase concentration and viscosity. CAN J CHEM ENG 2013. [DOI: 10.1002/cjce.21885] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Per Julian Becker
- Laboratoire d'Automatique et de Génie des Proédés (LAGEP); Université de Lyon, Université Lyon 1, CNRS, CPE Lyon, UMR 5007; 43 Bd du 11 Novembre 1918 F-69622 Villeurbanne France
| | - François Puel
- Laboratoire d'Automatique et de Génie des Proédés (LAGEP); Université de Lyon, Université Lyon 1, CNRS, CPE Lyon, UMR 5007; 43 Bd du 11 Novembre 1918 F-69622 Villeurbanne France
| | - Yves Chevalier
- Laboratoire d'Automatique et de Génie des Proédés (LAGEP); Université de Lyon, Université Lyon 1, CNRS, CPE Lyon, UMR 5007; 43 Bd du 11 Novembre 1918 F-69622 Villeurbanne France
| | - Nida Sheibat-Othman
- Laboratoire d'Automatique et de Génie des Proédés (LAGEP); Université de Lyon, Université Lyon 1, CNRS, CPE Lyon, UMR 5007; 43 Bd du 11 Novembre 1918 F-69622 Villeurbanne France
| |
Collapse
|
40
|
Sangwai M, Sardar S, Vavia P. Nanoemulsified orlistat-embedded multi-unit pellet system (MUPS) with improved dissolution and pancreatic lipase inhibition. Pharm Dev Technol 2012; 19:31-41. [PMID: 23259606 DOI: 10.3109/10837450.2012.751404] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The present research work explores an innovative technological solution to constraints in efficient oral delivery of poorly water-soluble anti-obesity drug orlistat. Nanoemulsion of orlistat and its subsequent transformation into multi-unit pellet system (MUPS) for improved oral delivery was developed. Orlistat nanoemulsion was developed with capryol PGMC as an oil phase and cremophor RH40 as an emulsifier using high-pressure homogenization. Influence of critical processing parameters on globule size distribution, polydispersity index and physical stability of nanoemulsion was evaluated. The optimized nanoemulsion was transformed into MUPS using an extrusion spheronization technique. Optimized formulation was characterized at nanoemulsion as well as MUPS stage. DLS and nanoparticle tracking analysis studies of orlistat nanoemulsion exhibited unimodal size distribution with polydispersity value <0.1. Confocal laser scanning microscopy (CLSM) studies confirmed the presence of uniform spherical nanosized oil droplets of nanoemulsified orlistat. DSC and PXRD studies of MUPS confirmed amorphization of embedded nanoemulsified orlistat. In-vitro dissolution studies in surfactant-reduced media demonstrated remarkable improvement in dissolution compared to pure orlistat and marketed formulation (Xenical Capsules 120 mg, Hoffman-La Roche, Basle, Switzerland). Comparative in-vitro bovine porcine pancreatic lipase inhibition studies of pure orlistat, marketed product and developed MUPS showed 13.57- and 2.41-fold higher lipase inhibition with developed MUPS compared to pure orlistat and marketed products, respectively.
Collapse
Affiliation(s)
- Mayur Sangwai
- Center for Novel Drug Delivery, Institute of Chemical Technology, Deemed University , Mumbai - 400 019, Maharashtra , India
| | | | | |
Collapse
|
41
|
Calderó G, Patti A, Llinàs M, García-Celma MJ. Diffusion in highly concentrated emulsions. Curr Opin Colloid Interface Sci 2012. [DOI: 10.1016/j.cocis.2012.07.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
|
42
|
Preparation and characterization of non-aqueous extracts from chilli (Capsicum annuum L.) and their microencapsulates obtained by spray-drying. J FOOD ENG 2012. [DOI: 10.1016/j.jfoodeng.2012.03.032] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
43
|
Golemanov K, Tcholakova S, Denkov N, Pelan E, Stoyanov SD. Surface shear rheology of saponin adsorption layers. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:12071-84. [PMID: 22830458 DOI: 10.1021/la302150j] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Saponins are a wide class of natural surfactants, with molecules containing a rigid hydrophobic group (triterpenoid or steroid), connected via glycoside bonds to hydrophilic oligosaccharide chains. These surfactants are very good foam stabiliziers and emulsifiers, and show a range of nontrivial biological activities. The molecular mechanisms behind these unusual properties are unknown, and, therefore, the saponins have attracted significant research interest in recent years. In our previous study (Stanimirova et al. Langmuir 2011, 27, 12486-12498), we showed that the triterpenoid saponins extracted from Quillaja saponaria plant (Quillaja saponins) formed adsorption layers with unusually high surface dilatational elasticity, 280 ± 30 mN/m. In this Article, we study the shear rheological properties of the adsorption layers of Quillaja saponins. In addition, we study the surface shear rheological properties of Yucca saponins, which are of steroid type. The experimental results show that the adsorption layers of Yucca saponins exhibit purely viscous rheological response, even at the lowest shear stress applied, whereas the adsorption layers of Quillaja saponins behave like a viscoelastic two-dimensional body. For Quillaja saponins, a single master curve describes the data for the viscoelastic creep compliance versus deformation time, up to a certain critical value of the applied shear stress. Above this value, the layer compliance increases, and the adsorption layers eventually transform into viscous ones. The experimental creep-recovery curves for the viscoelastic layers are fitted very well by compound Voigt rheological model. The obtained results are discussed from the viewpoint of the layer structure and the possible molecular mechanisms, governing the rheological response of the saponin adsorption layers.
Collapse
Affiliation(s)
- Konstantin Golemanov
- Department of Chemical Engineering, Faculty of Chemistry and Pharmacy, Sofia University, Sofia, Bulgaria
| | | | | | | | | |
Collapse
|