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A structural comparison of casein micelles in cow, goat and sheep milk using X-ray scattering

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Abstract

The casein micelle is a flexible construct, with its key structural components being casein proteins and colloidal calcium phosphate nanoclusters. According to literature, milk from different species exhibits differences in composition and physicochemical properties. X-ray scattering techniques were used to investigate and compare the nanoscale structure of casein micelles present in cow, goat and sheep milk. Although there were differences in the size and density of larger scale protein structures, at an atomic level the protein structures were similar. There were also strong similarities in the structure of the calcium-containing nanoclusters, namely that they had similar sizes and separations within the casein micelle for all three species.

Graphical abstract: A structural comparison of casein micelles in cow, goat and sheep milk using X-ray scattering

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Publication details

The article was received on 05 Mar 2018, accepted on 09 Apr 2018 and first published on 10 Apr 2018


Article type: Paper
DOI: 10.1039/C8SM00458G
Citation: Soft Matter, 2018, Advance Article
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    A structural comparison of casein micelles in cow, goat and sheep milk using X-ray scattering

    B. Ingham, A. Smialowska, N. M. Kirby, C. Wang and A. J. Carr, Soft Matter, 2018, Advance Article , DOI: 10.1039/C8SM00458G

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