Physicochemical characterisation of kafirins extracted from sorghum grain and dried distillers grain with solubles related to their biomaterial functionality
نویسندگان
چکیده
Abstract Kafirin, the hydrophobic prolamin storage protein in sorghum grain is enriched when used for bioethanol production to give dried distillers with solubles (DGGS) as a by-product. There great interest DDGS kafirin new source biomaterials. however lack of fundamental understanding how physicochemical properties having been exposed high temperature conditions during ethanol production, compare made directly from grain. An these required catalyse utilisation biomaterial applications. The aim this study was extract and derived same and, then perform comparative investigation kafirins terms of: polypeptide profile by sodium-dodecyl sulphate polyacrylamide gel electrophoresis; secondary structure Fourier transform infra-red spectroscopy x-ray diffraction, self-assembly behaviour small-angle scattering, surface morphology scanning electron microscopy chemical energy dispersive spectroscopy. found have very similar but contained altered increased levels ?-sheets. showed fractals elemental composition suggesting enhanced reactivity possibility endow interfacial wettability. These may provide it unique functionality thus open up opportunities be novel food grade biomaterial.
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ژورنال
عنوان ژورنال: Scientific Reports
سال: 2021
ISSN: ['2045-2322']
DOI: https://doi.org/10.1038/s41598-021-94718-z