Preparation of free-standing films from kafirin protein microparticles: Mechanism of formation and functional properties

Taylor, Janet, Taylor, John R. N., Belton, Peter S and Minnaar, Amanda (2009) Preparation of free-standing films from kafirin protein microparticles: Mechanism of formation and functional properties. Journal of Agricultural and Food Chemistry, 57 (15). pp. 6729-6735. ISSN 1520-5118

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Abstract

A method of preparing free-standing films using kafirin microparticles made by phase separation from acetic acid is described. Film preparation involved the suspension of the microparticles in acetic acid solution containing plasticizer. On evaporation of the acetic acid, a complete, smooth, flexible, transparent film was formed. A minimum concentration of acid was required to form a cohesive film relative to the concentration of kafirin. This was approximately 10.8:1, percent acetic acid to percent kafirin. Film formation appears to be by controlled aggregation of kafirin microparticles, followed by dissolution of the microparticles in acetic acid and drying into a cohesive film. The functional properties of microparticle films were generally superior to films cast directly from a solution of kafirin, at the same protein content. Kafirin microparticle films were very thin (

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Chemistry (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Biophysical Chemistry (former - to 2017)
Depositing User:	Rachel Smith
Date Deposited:	12 Apr 2011 09:49
Last Modified:	24 Sep 2024 09:18
URI:	https://ueaeprints.uea.ac.uk/id/eprint/28944
DOI:	10.1021/jf900957s

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