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Int. J. Mol. Sci. 2007, 8(7), 670-679; doi:10.3390/i8070670

Modification of Low Molecular Weight Polysaccharides from Tremella Fuciformis and Their Antioxidant Activity in Vitro

1
College of Light Industry and Food Sciences, South China University of Technology, Guangzhou 510640, P. R. China
2
School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510091, P. R. China
3
South China Botanical Garden, Chinese Academy of Sciences, Guangzhou Leyiju 510650, P. R. China
*
Author to whom correspondence should be addressed.
Received: 13 February 2007 / Revised: 31 May 2007 / Accepted: 5 July 2007 / Published: 17 July 2007
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Abstract

In this study, sulfated low molecular-weight Tremella fuciformis polysaccharides(SLTP) with different sulfate contents were synthesized and their antioxidant activities,including superoxide anion radical, 1,1-diphenyl-2-picryl-hydrazyl (DPPH) radical andhydroxyl radical scavenging activities were investigated. The results indicated that,compared to natural Tremella fuciformis polysaccharide (TP) and low molecular weightTremella fuciformis polysaccharide (LTP), sulfated LTP (SLTP) exhibited strongerscavenging activity towards superoxide anion, DPPH and hydroxyl radicals. In all the casesthe effect was found to be dose dependent. The scavenging activity of SLTP was found tobe in parallel with the degree of sulfation of SLTP.
Keywords: Tremella fuciformis; polysaccharide; degradation; sulfate; antioxidant. Tremella fuciformis; polysaccharide; degradation; sulfate; antioxidant.
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Wu, Q.; Zheng, C.; Ning, Z.-X.; Yang, B. Modification of Low Molecular Weight Polysaccharides from Tremella Fuciformis and Their Antioxidant Activity in Vitro. Int. J. Mol. Sci. 2007, 8, 670-679.

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