Controlling oleogel crystallization using ultrasonic standing waves.


Journal

Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288

Informations de publication

Date de publication:
02 09 2020
Historique:
received: 27 04 2020
accepted: 12 08 2020
entrez: 4 9 2020
pubmed: 4 9 2020
medline: 4 9 2020
Statut: epublish

Résumé

Oleogels are lipid-based soft materials composed of large fractions of oil (> 85%) developed as saturated and hydrogenated fat substitutes to reduce cardiovascular diseases caused by obesity. Promising oleogels are unstable during storage, and to improve their stability careful control of the crystalline network is necessary. However, this is unattainable with state-of-the-art technologies. We employ ultrasonic standing wave (USSW) fields to modify oleogel structure. During crystallization, the growing crystals move towards the US-SW nodal planes. Homogeneous, dense bands of microcrystals form independently of oleogelator type, concentration, and cooling rate. The thickness of these bands is proportional to the USSW wavelength. These new structures act as physical barriers in reducing the migration kinetics of a liposoluble colorant compared to statically crystallized oleogels. These results may extend beyond oleogels to potentially be used wherever careful control of the crystallization process and final structure of a system is needed, such as in the cosmetics, pharmaceutical, chemical, and food industries.

Identifiants

pubmed: 32879336
doi: 10.1038/s41598-020-71177-6
pii: 10.1038/s41598-020-71177-6
pmc: PMC7468300
doi:

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

14448

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Auteurs

Fabio Valoppi (F)

Department of Food and Nutrition, University of Helsinki, Agnes Sjöbergin katu 2, P.O. Box 66, 00014, Helsinki, Finland. fabio.valoppi@helsinki.fi.
Faculty of Agriculture and Forestry, Helsinki Institute of Sustainability Science, University of Helsinki, 00014, Helsinki, Finland. fabio.valoppi@helsinki.fi.
Electronics Research Laboratory, Department of Physics, University of Helsinki, Gustaf Hällströmin katu 2, P.O. Box 64, 00014, Helsinki, Finland. fabio.valoppi@helsinki.fi.

Ari Salmi (A)

Electronics Research Laboratory, Department of Physics, University of Helsinki, Gustaf Hällströmin katu 2, P.O. Box 64, 00014, Helsinki, Finland.

Miika Ratilainen (M)

Electronics Research Laboratory, Department of Physics, University of Helsinki, Gustaf Hällströmin katu 2, P.O. Box 64, 00014, Helsinki, Finland.

Luisa Barba (L)

Istituto di Cristallografia, Consiglio Nazionale Delle Ricerche, 34100, Trieste, Italy.

Tuomas Puranen (T)

Electronics Research Laboratory, Department of Physics, University of Helsinki, Gustaf Hällströmin katu 2, P.O. Box 64, 00014, Helsinki, Finland.

Oskari Tommiska (O)

Electronics Research Laboratory, Department of Physics, University of Helsinki, Gustaf Hällströmin katu 2, P.O. Box 64, 00014, Helsinki, Finland.

Petteri Helander (P)

Electronics Research Laboratory, Department of Physics, University of Helsinki, Gustaf Hällströmin katu 2, P.O. Box 64, 00014, Helsinki, Finland.

Jesse Heikkilä (J)

Electronics Research Laboratory, Department of Physics, University of Helsinki, Gustaf Hällströmin katu 2, P.O. Box 64, 00014, Helsinki, Finland.

Edward Haeggström (E)

Electronics Research Laboratory, Department of Physics, University of Helsinki, Gustaf Hällströmin katu 2, P.O. Box 64, 00014, Helsinki, Finland.

Classifications MeSH