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In Vitro Antioxidant Activities of Polysaccharides from Auricularia auriada

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Abstract:

This study aims to evaluate the antioxidative activities of water and alkaline solution pH=8, 50% ethanolic (APP1 or SAPP1), 75% ethanolic (APP2 or SAPP2) and 100% ethanolic (APP3 or SAPP3) extracts of A. auricular. The antioxidant activities, including the ABTS, superoxide anion radical-scavenging effect, hydrogen peroxide radical-scavenging effect and chelating ability on ferrous ions were studied in vitro. A comparison of the 50% effective concentration (EC50) values of different antioxidative reactions revealed that SAPP3 was more effective in scavenging ABTS, hydrogen peroxide and chelating ability on ferrous ions.SAPP2 showed a higher superoxide radical-scavenging activity. The alkali-soluble polysaccharides extracts showed higher radical-scavenging effect than water-soluble polysaccharides.

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Periodical:

Advanced Materials Research (Volumes 183-185)

Pages:

104-109

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.183-185.104

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Online since:

January 2011

Authors:

Ning Zhang, Zhen Yu Wang, Hua Zhang, Jian Ren, Xiu Mei Hao

Keywords:

Auricularia auriada, In Vitro Antioxidant Activity, Polysaccharide

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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