Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 537727
Title Application of a decanter centrifuge for casein fractionation on pilot scale : Effect of operational parameters on total solid, purity and yield in solid discharge
Author(s) Schubert, Thomas; Meric, Asutay; Boom, Remko; Hinrichs, Jörg; Atamer, Zeynep
Source International Dairy Journal 84 (2018). - ISSN 0958-6946 - p. 6 - 14.
DOI https://doi.org/10.1016/j.idairyj.2018.04.002
Department(s) Food Process Engineering
VLAG
Publication type Refereed Article in a scientific journal
Publication year 2018
Abstract

Individual casein fractions are of growing interest because of their multifunctional applications. The fractions of caseins (αS-, β- & κ-) possess a wide range of bio- and techno-functional properties. Although various isolation and purification methods to obtain casein fractions have been reported, there is still a need for improvement, especially on a technical scale. The aim of this study was to develop and establish a continuous process for the fractionation of caseins. The fractions were obtained from micellar casein by means of selective precipitation. The separation process was performed using a temperature-controlled decanter centrifuge. Enrichment of the fractions was optimised by altering the operational parameters of the decanter (inner weir diameter (Øweir), centrifugal force (FZ), differential speed (Δn), flow rate (V̇)). A 95% pure casein fraction containing αS- and β-casein was obtained. The purity and yield of the κ-casein fraction were 54% and 83%, respectively.

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