Free radical-scavenging activity and flavonoid contents of Polygonum orientale leaf, stem, and seed extracts

The present study was designed to explore the total flavonoid and taxifolin contents and the radical-scavenging activity of 50% ethanol extracts of Polygonum orientale leaves, stems, and seeds by 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay. The extract with higher total flavonoid content has higher r...

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Main Authors: Jiang Xinyu, Chen Xiaoqing, Wei Yan
Format: Article
Language:English
Published: University of Belgrade, University of Novi Sad 2009-01-01
Series:Archives of Biological Sciences
Subjects:
Online Access:http://www.doiserbia.nb.rs/img/doi/0354-4664/2009/0354-46640901079J.pdf
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author Jiang Xinyu
Chen Xiaoqing
Wei Yan
author_facet Jiang Xinyu
Chen Xiaoqing
Wei Yan
author_sort Jiang Xinyu
collection DOAJ
description The present study was designed to explore the total flavonoid and taxifolin contents and the radical-scavenging activity of 50% ethanol extracts of Polygonum orientale leaves, stems, and seeds by 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay. The extract with higher total flavonoid content has higher radical scavenging activity. Taxifolin (IC50 = 2.83 μmol/L) has antioxidant activity stronger than that of rutin (IC50 = 3.08 μmol/L). The free radical-scavenging potentials of chloroform, ethyl acetate, water, ethanol, and methanol extracts of Polygonum orientale seeds were also investigated. The free radical-scavenging abilities of various extracts were determined as: methanol > ethanol > water > ethyl acetate > chloroform.
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spelling doaj.art-10e47694986443d2976bad25154b99182022-12-21T18:50:16ZengUniversity of Belgrade, University of Novi SadArchives of Biological Sciences0354-46642009-01-01611798310.2298/ABS0901079JFree radical-scavenging activity and flavonoid contents of Polygonum orientale leaf, stem, and seed extractsJiang XinyuChen XiaoqingWei YanThe present study was designed to explore the total flavonoid and taxifolin contents and the radical-scavenging activity of 50% ethanol extracts of Polygonum orientale leaves, stems, and seeds by 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay. The extract with higher total flavonoid content has higher radical scavenging activity. Taxifolin (IC50 = 2.83 μmol/L) has antioxidant activity stronger than that of rutin (IC50 = 3.08 μmol/L). The free radical-scavenging potentials of chloroform, ethyl acetate, water, ethanol, and methanol extracts of Polygonum orientale seeds were also investigated. The free radical-scavenging abilities of various extracts were determined as: methanol > ethanol > water > ethyl acetate > chloroform.http://www.doiserbia.nb.rs/img/doi/0354-4664/2009/0354-46640901079J.pdfExtractflavonoidtaxifolinPolygonum orientalefree radical scavenging
spellingShingle Jiang Xinyu
Chen Xiaoqing
Wei Yan
Free radical-scavenging activity and flavonoid contents of Polygonum orientale leaf, stem, and seed extracts
Archives of Biological Sciences
Extract
flavonoid
taxifolin
Polygonum orientale
free radical scavenging
title Free radical-scavenging activity and flavonoid contents of Polygonum orientale leaf, stem, and seed extracts
title_full Free radical-scavenging activity and flavonoid contents of Polygonum orientale leaf, stem, and seed extracts
title_fullStr Free radical-scavenging activity and flavonoid contents of Polygonum orientale leaf, stem, and seed extracts
title_full_unstemmed Free radical-scavenging activity and flavonoid contents of Polygonum orientale leaf, stem, and seed extracts
title_short Free radical-scavenging activity and flavonoid contents of Polygonum orientale leaf, stem, and seed extracts
title_sort free radical scavenging activity and flavonoid contents of polygonum orientale leaf stem and seed extracts
topic Extract
flavonoid
taxifolin
Polygonum orientale
free radical scavenging
url http://www.doiserbia.nb.rs/img/doi/0354-4664/2009/0354-46640901079J.pdf
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AT weiyan freeradicalscavengingactivityandflavonoidcontentsofpolygonumorientaleleafstemandseedextracts