Preparation of Food Emulsions and Their Physical and Chemical Properties

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Food Physics and (Bio)Chemistry".

Deadline for manuscript submissions: 20 November 2024 | Viewed by 1074

Special Issue Editors


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Guest Editor
Departamento de Ingeniería Química, Escuela Politécnica Superior, Universidad de Sevilla, Sevilla, Spain
Interests: emulsions; surfactant; rheology; disperse system; nanoemugels; cryo-SEM; multiple light scattering; laser diffraction; nanoencapulation; suspoemulsion
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Departamento de Ingeniería Química, Escuela Politécnica Superior, Universidad de Sevilla, Sevilla, Spain
Interests: emulsions; surfactant; rheology; disperse system; nanoemugels; cryo-SEM; multiple light scattering; laser diffraction; nanoencapulation; suspoemulsion
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Exploring new frontiers in emulsion-based food systems, our Special Issue, “Preparation of Food Emulsions and Their Physical and Chemical Properties”, is calling for contributions from researchers. The application of novel approaches for emulsion stabilization that target green production alternatives and/or explore novel sustainable biological resources are particularly relevant to this Special Issue

Despite the significant progress that has been made over the past decade, emulsion-based systems still remain an important topic since many aspects of their behavior have not been investigated yet. This Special Issue will be a dedicated platform for exploring novel insights into the development and physicochemical and functional properties of emulsion-based food systems. The topics included cover the latest methods and technologies in their preparation and characterization, as well as their diverse applications, which all also contribute to the dynamic field of green emulsion food products and its relevance across various disciplines and industries. In this regard, the guest editors encourage proposals that offer new perspectives, methodologies, or applications in the field of emulsions. These may comprise interdisciplinary approaches, innovative research methodologies, or studies that bridge the gap between theory and practical application.

We believe that this Special Issue will serve as a platform for researchers to share their exciting works and, in the long run, that this will attract further attention in the innovative development of vital, promising food systems. The guest editors also invite contributions from industry experts or researchers working closely with food companies to provide insights into practical challenges and solutions in emulsion-based food product development.

We look forward to receiving your research and insights.

Prof. Dr. Nuria Calero
Prof. Dr. Luis Alfonso Trujillo-Cayado
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Foods is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • encapsulation
  • emulsion
  • interfacial properties
  • rheology
  • green emulsification
  • biopolymers
  • new biological resources

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Published Papers (1 paper)

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Research

17 pages, 3236 KiB  
Article
Comparison of Gamma-Oryzanol Nanoemulsions Fabricated by Different High Energy Techniques
by Rodrigo Jaime-Báez, Jordi Saldo and Rosalía América González-Soto
Foods 2024, 13(14), 2256; https://doi.org/10.3390/foods13142256 - 17 Jul 2024
Viewed by 751
Abstract
Gamma-oryzanol (GO) is a bioactive compound that, due to its biological characteristics, can be added to a food matrix. However, the bioactive compound is difficult to incorporate due to its low solubility and stability. A nanoemulsion allows substances to be packaged in nanometric [...] Read more.
Gamma-oryzanol (GO) is a bioactive compound that, due to its biological characteristics, can be added to a food matrix. However, the bioactive compound is difficult to incorporate due to its low solubility and stability. A nanoemulsion allows substances to be packaged in nanometric sizes, improving their bioavailability. In this work, a GO nanoemulsion was developed using high-energy techniques. The methodological process began with the formulation of the coarse emulsion, where the emulsifiers (sodium caseinate and citrus pectin), diluent (rice bran oil), and pH were varied to find the most stable formulation. The coarse emulsion was subjected to four high-energy techniques (conventional homogenization, high-pressure homogenization, ultra-high-pressure homogenization, and ultrasonication) to reduce the droplet size. A physical-stability test, rheological-behavior test, image analysis, and particle-size-and-distribution test were conducted to determine which was the best technique. The formulation with the highest stability (pH 5.3) was composed of 87% water, 6.1% sodium caseinate, 0.6% citrus pectin, 6.1% rice bran oil, and 0.2% GO. The ultrasonic treatment obtains the smallest particle size (30.1 ± 1 nm), and the high-pressure treatment obtains the greatest stability (TSI < 0.3), both at 0 and 7 days of storage. High-energy treatments significantly reduce the droplet size of the emulsion, with important differences between each technique. Full article
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