Processing of soybean hulls to enhance the distribution and extraction of value-added proteins

Soybean hulls contain peroxidase (SBP) and Bowman–Birk type protease inhibitor (BBI). SBP is used in the European bread‐baking industry, and BBI isolated from dehulled, defatted soy flour possesses cancer‐preventive and anticarcinogenic properties. Because hulls possess a low percentage of nitrogen,...

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Bibliographic Details
Published in:Journal of the science of food and agriculture 2004-01, Vol.84 (1), p.75-82
Main Author: Sessa, David J
Format: Article
Language:English
Subjects:
air classification
aqueous extraction
Biological and medical sciences
Bowman-Birk-type inhibitor
Food engineering
Food industries
Fruit and vegetable industries
Fundamental and applied biological sciences. Psychology
General aspects
milling
peroxidase
soybean hulls
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Summary:Soybean hulls contain peroxidase (SBP) and Bowman–Birk type protease inhibitor (BBI). SBP is used in the European bread‐baking industry, and BBI isolated from dehulled, defatted soy flour possesses cancer‐preventive and anticarcinogenic properties. Because hulls possess a low percentage of nitrogen, with fibre and other carbohydrates being the major components, our objective was to determine whether air classification of milled hulls could be used to fractionate and enrich these value‐added proteins. Hulls were pin milled three times at 18 000 rpm, followed by air classification to yield fractions with particle size distributions ranging from 30 µm. The finely ground fractions with particle sizes ranging from
ISSN:0022-5142
1097-0010
DOI:10.1002/jsfa.1612