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 546278
Title Understanding the role of air and protein phase on mechanical anisotropy of calcium caseinate fibers
Author(s) Wang, Zhaojun; Tian, Bei; Boom, R.M.; Goot, A.J. van der
Source Food Research International 121 (2019). - ISSN 0963-9969 - p. 862 - 869.
Department(s) Food Process Engineering
Publication type Refereed Article in a scientific journal
Publication year 2019
Abstract Calcium caseinate dispersions can be transformed into anisotropic, fibrous materials using the concept of shear-induced structuring. The aim of this study is to further investigate the relative importance of air bubbles and protein on the mechanical anisotropy of calcium caseinate material. In this study, the effect of air on mechanical anisotropy of these fibrous materials was described with a load-bearing model, with the void fraction, and the bubble length and width as input parameters. The anisotropy of the protein phase was estimated using materials obtained from deaerated dispersions after shearing at different shear rates. We concluded that the deformation of air bubbles can only partly explain the mechanical anisotropy; the anisotropy of the protein phase is more important. Based on all results, we further concluded that the anisotropy of the protein phase was affected by the air bubbles present during the structuring process. This effect was explained by locally higher shear rate in the protein matrix during the structuring process.
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Used to read here Research output of Wageningen University & Research staff which is always gives some new informative information related to any topic that relates to us. Thanks for sharing here this article which through readers can understand the role of air and protein phase on mechanical anisotropy of calcium caseinate fibers.


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