Reducing fat globules particle-size in goat milk: Ultrasound and high hydrostatic pressures approach

Karlović, Sven and Bosiljkov, Tomislav and Brnčić, Mladen and Semenski, Damir and Dujmić, Filip and Tripalo, Branko and Ježek, Damir (2014) Reducing fat globules particle-size in goat milk: Ultrasound and high hydrostatic pressures approach. = Reducing fat globules particle-size in goat milk: Ultrasound and high hydrostatic pressures approach. Chemical and Biochemical Engineering Quarterly, 28 (4). pp. 499-507. ISSN 0352-9568. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. Kvartili JCR: Q3 (2013). Točan broj autora: 7.

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Abstract

Innovative and eco-friendly food technologies in practical usage today like Ultrasound (US) and High Hydrostatic Pressures (HHP) are feasible to adequately maintain various food properties while processed, such as texture, sensorial and organoleptic characteristics, and microbiological issues as well. Benchmarked attribute of the mentioned approach lies in the ability of US and HHP to control and withhold both temperature and treatment duration. While temperature could be controlled within room ambient, treatment time is mostly below 30 minutes. US and HHP treatment were performed as separate treatments in order to obtain better homogenization. Goat milk was exposed to ultrasonic propagation up to 100 W of nominal power and high pressures up to 600 MPa. Maximum treatment time was 9 minutes. Ultrasonic homogenization indicates enhanced homogeneity of fat globules while high pressure process parameters have a significant influence on the observed mean particle diameter (fat globules). Improved stability and quality of emulsions (goat milk) was obtained by both applied processes. Statistical analysis indicated the influence of process parameters on fat globule size distribution between 0.3-4 μm and variance lower than 0.6.

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): High pressure effects; Homogenization method; Hydraulics; Hydrostatic pressure; Particle size; Ultrasonics; Fat globules; Goat milks; High hydrostatic pressure; High pressure process; Influence of process parameters; Mean particle diameter; Organoleptic characteristics; Ultrasonic homogenization; Dairy products; Capra hircus
Subjects: TECHNICAL SCIENCE
Divisions: 200 Department of Engineering Mechanics > 220 Chair of Experimental Mechanics
Indexed in Web of Science: Yes
Indexed in Current Contents: Yes
Quartiles: Q3 (2013)
Citations SCOPUS: 2 (06.12.2016.)
Date Deposited: 27 May 2015 11:06
Last Modified: 06 Dec 2016 08:48
URI: http://repozitorij.fsb.hr/id/eprint/4272

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