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Abstract Title:

Chemical modification, antioxidant andα-amylase inhibitory activities of corn silk polysaccharides.

Abstract Source:

Carbohydr Polym. 2013 Oct 15 ;98(1):428-37. Epub 2013 Jun 19. PMID: 23987364

Abstract Author(s):

Shuhan Chen, Haixia Chen, Jingge Tian, Yanwei Wang, Lisha Xing, Jia Wang

Article Affiliation:

Shuhan Chen

Abstract:

Water-soluble corn silk polysaccharides (CSPS) were chemically modified to obtain their sulfated, acetylated and carboxymethylated derivatives. Chemical characterization and bioactivities of CSPS and its derivatives were comparatively investigated by chemical methods, gas chromatography, gel filtration chromatography, scanning electron microscope, infrared spectroscopy and circular dichroism spectroscopy, scavenging DPPH free radical assay, scavenging hydroxyl radical assay, ferric reducing power assay, lipid peroxidation inhibition assay andα-amylase activity inhibitory assay, respectively. Among the three derivatives, carboxylmethylated polysaccharide (C-CSPS) demonstrated higher solubility, narrower molecular weight distribution, lower intrinsic viscosity, a hyperbranched conformation, significantly higher antioxidant and α-amylaseinhibitory abilities compared with the native polysaccharide and other derivatives. C-CSPS might be used as a novel nutraceutical agent for human consumption.

Study Type : In Vitro Study

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Sayer Ji
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