Obtention and characterization of rapeseed protein isolates.

A method for the obtention of protein isolates from defatted rapeseed flour has been designed. The process includes a basic extraction followed by a precipitation at the isoelectric point of the proteins. The precipitate is washed with water (pH 4.5), ethanol and acetone, obtaining a protein isolate...

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Bibliographic Details
Main Authors: N. Gonçalves, J. Vioque, A. Clemente, R. Sánchez-Vioque, J. Bautista, F. Millán
Format: Article
Language:English
Published: Consejo Superior de Investigaciones Científicas 1997-10-01
Series:Grasas y Aceites
Subjects:
Online Access:http://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/804
Description
Summary:A method for the obtention of protein isolates from defatted rapeseed flour has been designed. The process includes a basic extraction followed by a precipitation at the isoelectric point of the proteins. The precipitate is washed with water (pH 4.5), ethanol and acetone, obtaining a protein isolate with 86% of protein and reducing the contents in polyphenols and soluble sugars in more than 90% with respect to the defatted flour. The final product have physico-chemical characteristics that make it atractive to be used as food and for the obtention of protein hydrolizates.
ISSN:0017-3495
1988-4214