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Fractionation of industrial solids containing barley husks in aqueous media

Paper ID Volume ID Publish Year Pages File Format Full-Text
19480 43069 2009 7 PDF Available
Title
Fractionation of industrial solids containing barley husks in aqueous media
Abstract

Lignocellulosic materials, particularly the ones of residual nature generated in agricultural and industrial activities, represent a renewable, abundant and cheap source of raw materials for multiple purposes. Barley husks belong to this type of materials. Aqueous fractionation of a solid byproduct from malting industries (denoted MSW), mainly made up of barley husks, leads to a liquid phase containing bioactive components (oligosaccharides derived from hemicelluloses with prebiotic activity and low molecular weight phenolics with antioxidant activity) and to a solid phase containing cellulose and lignin as major components. Antioxidant compounds can be separated from fractionation liquors by physicochemical processing, providing a practical approach to sustainable development. Based on experimental data, the solubilization of MSW hemicelluloses is assessed in terms of kinetics, composition, material balances and properties of the isolated fractions. The nature, refining and properties of the antioxidant compounds extracted from liquors obtained by non-isothermal processing of MSW are discussed on the basis of experimental results.

Keywords
Adsorption; Antioxidants; Aqueous fractionation; Barley husks; Extraction; Xylooligosaccharides
First Page Preview
Fractionation of industrial solids containing barley husks in aqueous media
Publisher
Database: Elsevier - ScienceDirect
Journal: Food and Bioproducts Processing - Volume 87, Issue 3, September 2009, Pages 208–214
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering