期刊
CARBOHYDRATE POLYMERS
卷 82, 期 1, 页码 118-121出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2010.04.031
关键词
Polysaccharide; Algae; Antioxidant activities; In vitro
资金
- Department of Science and Technology of Shandong Province [2007BS07004]
The sulfated polysaccharides extracted from algae possess excellent antioxidant activities. In this study, we prepared five polysaccharides extracted from five algae including one brown alga Laminaria japonica. one red alga Porphyra haitanensis and three green algae Ulva pertusa, Enteromorpha linza and Bryopsis plumose. And then the antioxidant activities of all the samples were investigated including scavenging effects of superoxide and hydroxyl radicals, and reducing power. The chemical analysis and FT-IR spectrum showed these extracts were polysaccharides. And in addition, we found that certain polysaccharide exhibited stronger antioxidant activity in certain antioxidant activity. Factors effecting and attributing to radical scavenging effect need to be further studied. (C) 2010 Elsevier Ltd. All rights reserved.
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