Literature DB >> 19643127

In vitro antioxidant activities of a water-soluble polysaccharide derived from Dendrobium nobile Lindl. extracts.

AoXue Luo1, Xingjin He, SongDong Zhou, Yijun Fan, Tao He, Ze Chun.   

Abstract

A water-soluble polysaccharide (DNP), isolated from the aqueous extracts of the stem of Dendrobium nobile Lindl., was found to have an average molecular weight (Mw) of about 8.76 x 10(4)Da. Monosaccharides analysis revealed that DNP was composed of rhamnose, arabinose, xylose, mannose, glucose and galactose in a molar ratio of 1.00:2.80:2.20:30.76:117.96:31.76. The evaluation of antioxidant activity in vitro revealed that DNP is a novel potential antioxidant. The NMR spectra suggested that the main structure of DNP was possible as the predicted main structure of DNP from Dendrobium nobile, (fig. 5).

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Year:  2009        PMID： 19643127     DOI： 10.1016/j.ijbiomac.2009.07.008

Source DB:  PubMed          Journal:  Int J Biol Macromol        ISSN： 0141-8130            Impact factor:   6.953


  20 in total

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8.  Structural Analysis and Immuno-Stimulating Activity of an Acidic Polysaccharide from the Stems of Dendrobium nobile Lindl.

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10.  Regulation of Dendrobium Polysaccharides on Proliferation and Oxidative Stress of Human Umbilical Vein Endothelial Cells in the High Glucose Environment.

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