Improved efficiency of brewer's spent grain arabinoxylans by ultrasound-assisted extraction

被引：53

作者：

Reis, Sofia F. ^{[1
]}

Coelho, Elisabete ^{[2
]}

Coimbra, Manuel A. ^{[2
]}

Abu-Ghannam, Nissreen ^{[1
]}

机构：

[1] Dublin Inst Technol, Coll Sci & Hlth, Sch Food Sci & Environm Hlth, Dublin 1, Ireland

[2] Univ Aveiro, Dept Quim, QOPNA, P-3810193 Aveiro, Portugal

来源：

ULTRASONICS SONOCHEMISTRY | 2015年 / 24卷

关键词：

Ultrasound-assisted extraction; Arabinoxylans; Brewer's spent grain; RSM; WHEAT-STRAW; OLIGOSACCHARIDES; HEMICELLULOSES; XYLAN; BRAN; POLYSACCHARIDES; RELEASE; WATER;

D O I：

10.1016/j.ultsonch.2014.10.010

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Arabinoxylan (AX) rich extracts from brewer's spent grain (BSG) were produced by the application of ultrasound-assisted extraction (UAE) and conventional alkaline extraction (AKE). UAE and AKE were optimised for the production of the highest yield of ethanol insoluble material using response surface methodology (RSM). The efficiency of UAE was established by the significant reduction of time (7 h to 25 min) and energy when compared to AKE, to recover similar amounts of AX (60%) from BSG, leading to the production of starch-free AX-rich extracts. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：155 / 164

页数：10

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