Literature DB >> 23624168

Selenylation modification can enhance antioxidant activity of Potentilla anserina L. polysaccharide.

Baotang Zhao1, Ji Zhang, Jian Yao, Shen Song, Zhenxiong Yin, Qingya Gao.   

Abstract

Potentilla anserina L. polysaccharide had been selenizingly modified by nitric acid-selenious acid method with microwave-assistant. The optimal reaction parameters on selenylation modification were time 116 min, temperature 63°C, microwave power 190 W and the actual value of selenium content was 2690.1±7.2 μg/g. The scavenging ability of DPPH, OH and superoxide radicals, the metal chelating ability and reducing power in vitro were compared by antioxidant assay taking the non-modified PAP as a control. The results showed that selenylation modification could significantly enhance the antioxidant activity of SePAP and SePAP could be used as a potential antioxidant.
Copyright © 2013 Elsevier B.V. All rights reserved.

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Year:  2013        PMID： 23624168     DOI： 10.1016/j.ijbiomac.2013.04.059

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


  11 in total

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