期刊
FOOD HYDROCOLLOIDS
卷 42, 期 -, 页码 304-308出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodhyd.2014.04.031
关键词
Agaro-oligosaccharide; Antioxidant activities; Enzymatic hydrolysis
资金
- Department of Fisheries [MOA: STGL-007-2010]
In this experiment, agarose degradation was conducted under identical hydrolysis conditions, but different substrate and enzyme concentrations. Hydrolysis products i.e., agaro-oligosaccharide were monitored using viscometric and reducing end assay. Hydrolysis yields were found to range between 3.73 and 20.51%. Thereafter, agaro-oligosaccharides with different degree hydrolysis were subjected to various physicochemical analyses and in vitro antioxidant assays. Agaro-oligosaccharides were shown to exhibit high solubility percentages (59.84-86.78%), water absorption capacities (1.5-3.0 g/g) and oil absorption capacities (1.8-4.6 g/g). Agaro-oligasaccharides were also shown to exhibit considerable DPPH and ABTS(+) radical scavenging and ferric reducing antioxidant activities; however, this effect depended on the degree hydrolysis. (C) 2014 Elsevier Ltd. All rights reserved.
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