Please read the abstract in the section 00front of this document Copyright 1997, University of Pretoria. All rights reserved. The copyright in this work vests in the University of Pretoria. No part of this work may be reproduced or transmitted in any form or by any means, without the prior written permission of the University of Pretoria. Please cite as follows: Beta, T 1997, Processing of polyphenol-rich sorghums for food, PhD thesis, University of Pretoria, Pretoria, viewed yymmdd < http://upetd.up.ac.za/thesis/available/etd-08032007-125938 / > / Thesis (PhD (Food Science))--University of Pretoria, 2007. / Food Science / unrestricted