超声辅助提取提高啤酒糟阿拉伯木聚糖的提取效率。
Improved efficiency of brewer's spent grain arabinoxylans by ultrasound-assisted extraction.
机构信息
School of Food Science and Environmental Health, College of Sciences and Health, Dublin Institute of Technology, Cathal Brugha St., Dublin 1, Ireland.
QOPNA, Departamento de Química, Universidade de Aveiro, 3810-193 Aveiro, Portugal.
出版信息
Ultrason Sonochem. 2015 May;24:155-64. doi: 10.1016/j.ultsonch.2014.10.010. Epub 2014 Oct 17.
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 (7h 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.
采用超声辅助提取（UAE）和传统碱性提取（AKE）从啤酒糟中提取富含阿拉伯木聚糖（AX）的提取物。使用响应面法（RSM）优化 UAE 和 AKE，以生产出最高产量的乙醇不溶物。与 AKE 相比，UAE 的效率通过显著减少时间（7 小时至 25 分钟）和能量得到证实，以从啤酒糟中回收相似量的 AX（60%），从而生产出无淀粉的 AX 丰富提取物。
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