Effect of spray nozzle design on fish oil-whey protein microcapsule properties

Journal of Food Science
Jerrad Legako, Nurhan Turgut Dunford

Abstract

Microencapsulation improves oxidative stability and shelf life of fish oil. Spray and freeze drying are widely used to produce microcapsules. Newer spray-nozzles utilize multiple fluid channels allowing for mixing of wall and core materials at the point of atomization. Sonic energy has also been employed as a means of atomization. The objective of this study was to examine the effect of nozzle type and design on fish oil encapsulation efficiency and microcapsule properties. A total of 3 nozzle types, a pressure nozzle with 1 liquid channel, a pressure nozzle with 2 liquid channels, and a sonic atomizer with 2 liquid channels were examined for their suitability to encapsulate fish oil in whey protein isolate. Physical and chemical properties of freeze dried microcapsules were compared to those of microcapsules produced by spray drying. The 2-fluid pressure and ultrasonic nozzles had the highest (91.6%) and the lowest microencapsulation efficiencies (76%), respectively. There was no significant difference in bulk density of microcapsules produced by ultrasonic and 3-fluid pressure nozzles. The ultrasonic nozzle showed a significantly narrower particle size distribution than the other nozzles. This study demonstrated that new nozz...Continue Reading

References

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Mar 2, 2006·Journal of Agricultural and Food Chemistry·Joaquín VelascoGloria Márquez-Ruiz

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Citations

Apr 25, 2014·Journal of Agricultural and Food Chemistry·Yangchao LuoQixin Zhong
Dec 22, 2015·International Journal of Pharmaceutics·Feng Wan, Mingshi Yang
Sep 13, 2013·Journal of Food Science·Supakana Nagachinta, Casimir C Akoh
Jan 31, 2012·European Journal of Pharmaceutics and Biopharmaceutics : Official Journal of Arbeitsgemeinschaft Für Pharmazeutische Verfahrenstechnik E.V·Annalisa DalmoroMatteo d'Amore
May 24, 2016·International Journal of Biological Macromolecules·Yakindra Prasad TimilsenaBenu Adhikari
Jan 11, 2016·Journal of the Science of Food and Agriculture·Feyza Tatar TuranTalip Kahyaoglu
Jan 25, 2017·Bioscience, Biotechnology, and Biochemistry·Asmaliza Abd GhaniHidefumi Yoshii
Jul 3, 2020·Journal of the Science of Food and Agriculture·Feyza Tatar Turan, Talip Kahyaoglu
Apr 9, 2019·Food Science and Biotechnology·Anantita SangsuriyawongWanwimol Klaypradit

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