Electrospinning of food-grade nanofibres from whey protein

International Journal of Biological Macromolecules
Jie ZhongFred J Davis

Abstract

In this study, electrospinning has been employed to produce micro to nano scale fibres of whey protein in order to investigate their potential for use in the food industry. Initially, spinning of pure whey protein proved challenging; so in order to facilitate the spinning of freshly prepared aqueous solutions, small amounts of polyethylene oxide (as low as 1% w/w in solution) were incorporated in the spinning solutions. The electrospun composite polyethylene-oxide/whey fibres exhibited diameters in the region of 100 to 400 nm, showing the potential to build fibre bundles from this size up. Time-dependent examinations of pure whey protein aqueous solutions were conducted using rheometery and small angle neutron scattering techniques, with the results showing a substantial change in the solution properties with time and stirring; and allowing the production of fibres, albeit with large diameters, without the need for an additive. The spinability is related to the potential of the whey protein composites to form aggregate structures, either through hydration and interaction with neighbouring proteins, or through interaction with the polyethylene oxide.

Citations

May 1, 2021·Journal of Functional Biomaterials·Sebastian Wilk, Aleksandra Benko
Aug 16, 2021·Journal of Food Science·Faeghe HosseiniMehdi Aran
May 29, 2020·Biomacromolecules·Da ChenOwen G Jones
Aug 31, 2021·Journal of the Science of Food and Agriculture·Devaraju RB Surendra Nath

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