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O-acetylation of low-molecular-weight polysaccharide from Enteromorpha linza with antioxidant activity.

Abstract：

:Polysaccharide extracted from green algae Enteromorpha linza (EP) is a sulfated polysaccharide, which possesses excellent antioxidant activities. In present study, the acetylated derivatives of low-molecular-weight polysaccharide (LEP) was prepared with the method of response surface quadratic model. And then the antioxidant activities of the derivatives were investigated including scavenging effects of superoxide and hydroxyl radicals. The results of chemical analysis and FT-IR spectrum showed the acetylation was successful. And in addition, certain derivative with different degree of substitution (DS) exhibited different antioxidant activity.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Zhang Z,Wang X,Zhao M,Qi H

doi

10.1016/j.ijbiomac.2014.04.058

subject

Has Abstract

pub_date

2014-08-01 00:00:00

pages

39-45

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(14)00314-6

journal_volume

69

pub_type

杂志文章

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