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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Spray drying of mono- and double-layer emulsions of PUFA-rich vegetable oil homogenized by ultrasound

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Author(s):
Velez-Erazo, Eliana Marcela [1] ; Consoli, Larissa [1, 2] ; Hubinger, Miriam Dupas [1]
Total Authors: 3
Affiliation:
[1] Univ Estadual Campinas, Sch Food Engn, Dept Food Engn, Campinas - Brazil
[2] Ctr Univ UNIFAFIBE, Bebedouro - Brazil
Total Affiliations: 2
Document type: Journal article
Source: Drying Technology; v. 39, n. 7, p. 868-881, MAY 3 2021.
Web of Science Citations: 11
Abstract

The aim of this work was to encapsulate PUFA-rich oil by ultrasound emulsification followed by spray drying. mono- and double-layer emulsions stabilized by either whey protein concentrate (WPC) or WPC-pectin were obtained using an ultrasound probe. Maltodextrin and modified starch (HC) blends were used as wall materials. Four of the eight emulsions characterized presented high kinetic stability and were then spray-dried at 150 and 180 degrees C air inlet temperature: WPC-stabilized emulsions blended with 100% HC, 50% maltodextrin and 50% HC, or 75% maltodextrin and 25% HC; WPC-pectin-stabilized emulsion blended with 100% maltodextrin. The spray-dried microparticles presented a moisture content of 0.3% to 1.23%, water activity between 0.102 and 0.224, encapsulation efficiency ranging from 30% to 93%, and particle size between 8.67 and 16.72 mu m. WPC-stabilized microparticles with 100% HC showed the highest encapsulation efficiency (89-93%) and the most efficient protection against oxidation. The use of mono-layer emulsions was sufficient to provide microparticles with the best features. Ultrasonic emulsification is an efficient technique for producing microparticles loaded with PUFA-rich oils. (AU)

FAPESP's process: 15/11984-7 - PRODUCTION OF MICROPARTICLES CONTAINING FAT-SOLUBLE ACTIVE CORES BY ATOMIZATION IN SPRAY DRYING: EFFECT OF EMULSIONS PROPERTIES ON THE CHARACTERISTICS OF THE FINAL PRODUCT
Grantee:Miriam Dupas Hubinger
Support Opportunities: Regular Research Grants
FAPESP's process: 09/54137-1 - Acquisition of a particle size/distribution analyzer, a zeta potential measurement system, a spray dryer, and an ultra-high-pressure liquid chromatograph/mass spectrometer
Grantee:Miriam Dupas Hubinger
Support Opportunities: Multi-user Equipment Program