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Bors, W. ; Michel, C.

Chemistry of the Antioxidant Effect of Polyphenols.

Ann. NY Acad. Sci. 957, 57-69 (2002)
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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
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.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter polyphenols; resveratrol; antioxidants; flavonoids
Sprache englisch
Veröffentlichungsjahr 2002
HGF-Berichtsjahr 0
ISSN (print) / ISBN 0077-8923
e-ISSN 1749-6632
Zeitschrift Annals of the New York Academy of Sciences
Quellenangaben Band: 957, Heft: , Seiten: 57-69 Artikelnummer: , Supplement: ,
Verlag New York Academy of Sciences
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Radiation Biology (ISB)
Forschungsfeld(er) Radiation Sciences
PSP-Element(e) FE 70232
DOI 10.1111/j.1749-6632.2002.tb02905.x
Erfassungsdatum 2002-09-04
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