Loading…

Chemistry of the Antioxidant Effect of Polyphenols

: Most plant‐derived polyphenols exhibit strong antioxidant potentials, established by various assay procedures. With pulse radiolysis experiments, absolute scavenging rate constants can be obtained with a variety of oxidizing radicals which allow further structure‐activity correlations and, combine...

Full description

Saved in:

Bibliographic Details
Published in:	Annals of the New York Academy of Sciences 2002-05, Vol.957 (1), p.57-69
Main Authors:	BORS, WOLF, MICHEL, CHRISTA
Format:	Article
Language:	English
Subjects:	antioxidants Antioxidants - chemistry Antioxidants - pharmacology flavonoids Flavonoids - pharmacology Kinetics Oxidation-Reduction Phenols - chemistry Phenols - pharmacology Plant Extracts - chemistry Plant Extracts - pharmacology Polymers - chemistry Polymers - pharmacology polyphenols resveratrol Structure-Activity Relationship Tannins - metabolism Tannins - pharmacology
Citations:	Items that this one cites Items that cite this one
Online Access:	Get full text
Tags:	Add Tag No Tags, Be the first to tag this record!

cited_by	cdi_FETCH-LOGICAL-c4747-6da86619690d7673e0fadd800a4ace8e84d476c28336d7e779cd78df2566c6383
cites	cdi_FETCH-LOGICAL-c4747-6da86619690d7673e0fadd800a4ace8e84d476c28336d7e779cd78df2566c6383
container_end_page	69
container_issue	1
container_start_page	57
container_title	Annals of the New York Academy of Sciences
container_volume	957
creator	BORS, WOLF MICHEL, CHRISTA
description	: Most plant‐derived polyphenols exhibit strong antioxidant potentials, established by various assay procedures. With pulse radiolysis experiments, absolute scavenging rate constants can be obtained with a variety of oxidizing radicals which allow further structure‐activity correlations and, combined with EPR spectroscopy, detailed insight into the mechanisms governing these antioxidant reactions. The most striking difference occurs between regular flavonoids and both condensed and hydrolyzable tannins. The tannins are considered superior antioxidants as their eventual oxidation may lead to oligomerization via phenolic coupling and enlargement of the number of reactive sites, a reaction which has never been observed with the flavonoids themselves.
doi_str_mv	10.1111/j.1749-6632.2002.tb02905.x
format	article
fullrecord	<record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_71840507</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>71840507</sourcerecordid><originalsourceid>FETCH-LOGICAL-c4747-6da86619690d7673e0fadd800a4ace8e84d476c28336d7e779cd78df2566c6383</originalsourceid><addsrcrecordid>eNqVkMFOwkAQhjdGI4i-giEevLXObtudrQcTgohGgiZgjKfN0t2GYqHYLbF9e7eB6Nm5zGG--WfyEXJFwaeublY-xTD2OA-YzwCYXy2AxRD59RHp_o6OSRcA0RMxCzrkzNoVAGUixFPSoQwcxmmXsOHSrDNblU2_SPvV0vQHmyor6kyrTdUfpalJqnbyWuTNdmk2RW7PyUmqcmsuDr1H3h5G8-GjN3kZPw0HEy8JMUSPayU4pzGPQSPHwECqtBYAKlSJEUaEOkSeMBEEXKNBjBONQqcs4jzhgQh65Hqfuy2Lr52xlXSPJibP1cYUOyuRihAiQAfe7sGkLKwtTSq3ZbZWZSMpyNaYXMlWi2y1yNaYPBiTtVu-PFzZLdZG_60eFDngbg98Z7lp_hEtpx-DWdS-5-0DnGZT_wao8lM6LRjJ9-lYPs-R3vMZymnwA6ydiUQ</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>71840507</pqid></control><display><type>article</type><title>Chemistry of the Antioxidant Effect of Polyphenols</title><source>Wiley</source><creator>BORS, WOLF ; MICHEL, CHRISTA</creator><creatorcontrib>BORS, WOLF ; MICHEL, CHRISTA</creatorcontrib><description>: Most plant‐derived polyphenols exhibit strong antioxidant potentials, established by various assay procedures. With pulse radiolysis experiments, absolute scavenging rate constants can be obtained with a variety of oxidizing radicals which allow further structure‐activity correlations and, combined with EPR spectroscopy, detailed insight into the mechanisms governing these antioxidant reactions. The most striking difference occurs between regular flavonoids and both condensed and hydrolyzable tannins. The tannins are considered superior antioxidants as their eventual oxidation may lead to oligomerization via phenolic coupling and enlargement of the number of reactive sites, a reaction which has never been observed with the flavonoids themselves.</description><identifier>ISSN: 0077-8923</identifier><identifier>EISSN: 1749-6632</identifier><identifier>DOI: 10.1111/j.1749-6632.2002.tb02905.x</identifier><identifier>PMID: 12074961</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>antioxidants ; Antioxidants - chemistry ; Antioxidants - pharmacology ; flavonoids ; Flavonoids - pharmacology ; Kinetics ; Oxidation-Reduction ; Phenols - chemistry ; Phenols - pharmacology ; Plant Extracts - chemistry ; Plant Extracts - pharmacology ; Polymers - chemistry ; Polymers - pharmacology ; polyphenols ; resveratrol ; Structure-Activity Relationship ; Tannins - metabolism ; Tannins - pharmacology</subject><ispartof>Annals of the New York Academy of Sciences, 2002-05, Vol.957 (1), p.57-69</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4747-6da86619690d7673e0fadd800a4ace8e84d476c28336d7e779cd78df2566c6383</citedby><cites>FETCH-LOGICAL-c4747-6da86619690d7673e0fadd800a4ace8e84d476c28336d7e779cd78df2566c6383</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/12074961$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>BORS, WOLF</creatorcontrib><creatorcontrib>MICHEL, CHRISTA</creatorcontrib><title>Chemistry of the Antioxidant Effect of Polyphenols</title><title>Annals of the New York Academy of Sciences</title><addtitle>Ann N Y Acad Sci</addtitle><description>: Most plant‐derived polyphenols exhibit strong antioxidant potentials, established by various assay procedures. With pulse radiolysis experiments, absolute scavenging rate constants can be obtained with a variety of oxidizing radicals which allow further structure‐activity correlations and, combined with EPR spectroscopy, detailed insight into the mechanisms governing these antioxidant reactions. The most striking difference occurs between regular flavonoids and both condensed and hydrolyzable tannins. The tannins are considered superior antioxidants as their eventual oxidation may lead to oligomerization via phenolic coupling and enlargement of the number of reactive sites, a reaction which has never been observed with the flavonoids themselves.</description><subject>antioxidants</subject><subject>Antioxidants - chemistry</subject><subject>Antioxidants - pharmacology</subject><subject>flavonoids</subject><subject>Flavonoids - pharmacology</subject><subject>Kinetics</subject><subject>Oxidation-Reduction</subject><subject>Phenols - chemistry</subject><subject>Phenols - pharmacology</subject><subject>Plant Extracts - chemistry</subject><subject>Plant Extracts - pharmacology</subject><subject>Polymers - chemistry</subject><subject>Polymers - pharmacology</subject><subject>polyphenols</subject><subject>resveratrol</subject><subject>Structure-Activity Relationship</subject><subject>Tannins - metabolism</subject><subject>Tannins - pharmacology</subject><issn>0077-8923</issn><issn>1749-6632</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNqVkMFOwkAQhjdGI4i-giEevLXObtudrQcTgohGgiZgjKfN0t2GYqHYLbF9e7eB6Nm5zGG--WfyEXJFwaeublY-xTD2OA-YzwCYXy2AxRD59RHp_o6OSRcA0RMxCzrkzNoVAGUixFPSoQwcxmmXsOHSrDNblU2_SPvV0vQHmyor6kyrTdUfpalJqnbyWuTNdmk2RW7PyUmqcmsuDr1H3h5G8-GjN3kZPw0HEy8JMUSPayU4pzGPQSPHwECqtBYAKlSJEUaEOkSeMBEEXKNBjBONQqcs4jzhgQh65Hqfuy2Lr52xlXSPJibP1cYUOyuRihAiQAfe7sGkLKwtTSq3ZbZWZSMpyNaYXMlWi2y1yNaYPBiTtVu-PFzZLdZG_60eFDngbg98Z7lp_hEtpx-DWdS-5-0DnGZT_wao8lM6LRjJ9-lYPs-R3vMZymnwA6ydiUQ</recordid><startdate>200205</startdate><enddate>200205</enddate><creator>BORS, WOLF</creator><creator>MICHEL, CHRISTA</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>200205</creationdate><title>Chemistry of the Antioxidant Effect of Polyphenols</title><author>BORS, WOLF ; MICHEL, CHRISTA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4747-6da86619690d7673e0fadd800a4ace8e84d476c28336d7e779cd78df2566c6383</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>antioxidants</topic><topic>Antioxidants - chemistry</topic><topic>Antioxidants - pharmacology</topic><topic>flavonoids</topic><topic>Flavonoids - pharmacology</topic><topic>Kinetics</topic><topic>Oxidation-Reduction</topic><topic>Phenols - chemistry</topic><topic>Phenols - pharmacology</topic><topic>Plant Extracts - chemistry</topic><topic>Plant Extracts - pharmacology</topic><topic>Polymers - chemistry</topic><topic>Polymers - pharmacology</topic><topic>polyphenols</topic><topic>resveratrol</topic><topic>Structure-Activity Relationship</topic><topic>Tannins - metabolism</topic><topic>Tannins - pharmacology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>BORS, WOLF</creatorcontrib><creatorcontrib>MICHEL, CHRISTA</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Annals of the New York Academy of Sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>BORS, WOLF</au><au>MICHEL, CHRISTA</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Chemistry of the Antioxidant Effect of Polyphenols</atitle><jtitle>Annals of the New York Academy of Sciences</jtitle><addtitle>Ann N Y Acad Sci</addtitle><date>2002-05</date><risdate>2002</risdate><volume>957</volume><issue>1</issue><spage>57</spage><epage>69</epage><pages>57-69</pages><issn>0077-8923</issn><eissn>1749-6632</eissn><abstract>: Most plant‐derived polyphenols exhibit strong antioxidant potentials, established by various assay procedures. With pulse radiolysis experiments, absolute scavenging rate constants can be obtained with a variety of oxidizing radicals which allow further structure‐activity correlations and, combined with EPR spectroscopy, detailed insight into the mechanisms governing these antioxidant reactions. The most striking difference occurs between regular flavonoids and both condensed and hydrolyzable tannins. The tannins are considered superior antioxidants as their eventual oxidation may lead to oligomerization via phenolic coupling and enlargement of the number of reactive sites, a reaction which has never been observed with the flavonoids themselves.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><pmid>12074961</pmid><doi>10.1111/j.1749-6632.2002.tb02905.x</doi><tpages>13</tpages></addata></record>
fulltext	fulltext
identifier	ISSN: 0077-8923
ispartof	Annals of the New York Academy of Sciences, 2002-05, Vol.957 (1), p.57-69
issn	0077-8923 1749-6632
language	eng
recordid	cdi_proquest_miscellaneous_71840507
source	Wiley
subjects	antioxidants Antioxidants - chemistry Antioxidants - pharmacology flavonoids Flavonoids - pharmacology Kinetics Oxidation-Reduction Phenols - chemistry Phenols - pharmacology Plant Extracts - chemistry Plant Extracts - pharmacology Polymers - chemistry Polymers - pharmacology polyphenols resveratrol Structure-Activity Relationship Tannins - metabolism Tannins - pharmacology
title	Chemistry of the Antioxidant Effect of Polyphenols
url	http://sfxeu10.hosted.exlibrisgroup.com/loughborough?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-25T09%3A01%3A35IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Chemistry%20of%20the%20Antioxidant%20Effect%20of%20Polyphenols&rft.jtitle=Annals%20of%20the%20New%20York%20Academy%20of%20Sciences&rft.au=BORS,%20WOLF&rft.date=2002-05&rft.volume=957&rft.issue=1&rft.spage=57&rft.epage=69&rft.pages=57-69&rft.issn=0077-8923&rft.eissn=1749-6632&rft_id=info:doi/10.1111/j.1749-6632.2002.tb02905.x&rft_dat=%3Cproquest_cross%3E71840507%3C/proquest_cross%3E%3Cgrp_id%3Ecdi_FETCH-LOGICAL-c4747-6da86619690d7673e0fadd800a4ace8e84d476c28336d7e779cd78df2566c6383%3C/grp_id%3E%3Coa%3E%3C/oa%3E%3Curl%3E%3C/url%3E&rft_id=info:oai/&rft_pqid=71840507&rft_id=info:pmid/12074961&rfr_iscdi=true