Polysaccharides from Turbinaria conoides: Structural features and antioxidant capacity

被引：122

作者：

Chattopadhyay, Nabanita ^{[1
]}

Ghosh, Tuhin ^{[1
]}

Sinha, Sharmistha ^{[1
]}

Chattopadhyay, Kausik ^{[1
]}

Karmakar, Paramita ^{[1
]}

Ray, Bimalendu ^{[1
]}

机构：

[1] Univ Burdwan, Dept Chem, Nat Prod Lab, Golapbag 713104, W Bengal, India

来源：

FOOD CHEMISTRY | 2010年 / 118卷 / 03期

关键词：

Turbinaria conoides; Sargassaceae; Sulphated polysaccharide; Antioxidant potency; SULFATED FUCANS; FERULOYL OLIGOSACCHARIDES; ANTICOAGULANT ACTIVITY; ANTIVIRAL ACTIVITY; BROWN; SEAWEEDS; FRACTIONS; ABILITY; ASSAY; POWER;

D O I：

10.1016/j.foodchem.2009.05.069

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Since reactive oxygen species (ROS) are involved in initiating and promoting several diseases such as cancer and cardiovascular events, this study was designed to evaluate the antioxidant activity of sulphated polysaccharides purified from Turbinaria conoides. A fucoidan (AF3), one alginic acid (B) and a neutral glucan (C1F2) were isolated. The glucan is made up of beta-(1 -> 3)-linked glucopyranosyl residues and has a molecular mass of 5 kDa. The alginic acid contains equimolar proportions of guluronic and mannuronic acid residues. The fucoiclan is highly branched and has an average molecular mass of 50 kDa, The in vitro antioxidant capacity of the fractions was studied by ferric reducing antioxidant power (FRAP) and 1,1-diphenyl-2-picrylhydrazyl (DPPH) assays. The fucoidan (AF3) showed the highest potential followed by the alginate (B) and laminaran (C1F2). Taken together, these findings demonstrate that these polysaccharides could be used as natural antioxidants by the food industry. (C) 2009 Published by Elsevier Ltd

引用

页码：823 / 829

页数：7

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