Fractionation of wheat and wheat flour into starch and gluten: overview of the main processes and the factors involved

被引:202
作者
Van Der Borght, A [1 ]
Goesaert, H [1 ]
Veraverbeke, WS [1 ]
Delcour, JA [1 ]
机构
[1] Katholieke Univ Leuven, Food Chem Lab, B-3001 Heverlee, Belgium
关键词
wheat starch/gluten separation; review; processing aids; processing conditions; wheat constituents;
D O I
10.1016/j.jcs.2004.09.008
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
The starch and gluten components of wheat flour or whole wheat kernels can be separated by a number of industrial processes. This review provides a summary of these processes from both starting materials. The wheat constituents of importance in the fractionation processes are briefly introduced, and the different fractionation processes described with emphasis on the parameters affecting the separation, Such as flour composition, mixing and washing water, processing aids (with an emphasis on enzymes) and kernel pre-treatment (pearling) in the case of flour fractionation and steeping conditions and processing aids in the case of whole wheat. Although fractionation of Hour is the basis for the Current industrial processes, starch yields are impaired by starch damage as a result of milling and loss of starch to milling streams. On the other hand fractionation of whole kernels often leads to impaired gluten production as a result of harsh process conditions which 'devitalise' the gluten. (c) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:221 / 237
页数:17
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