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Ascorbate autoxidation in the presence of iron and copper chelates.

Free Radic. Res. 1, 349-353 (1986)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Chelates can inhibit the iron- and copper-catalyzed autoxidation of ascorbate at pH 7.0. Diethylenetri-aminepentaacetic acid (DTPA or DETAPAC) and Desferal (deferoximane mesylate) slow the iron-catalyzed oxidation of ascorbate as effectively as reducing the trace levels of contaminating iron in buffers with Chelex resin. DETAPAC, EDTA and HEDTA (N-(2-hydroxyethyl)-ethylenediaminetriacetic acid) are effective at slowing the copper-catalyzed autoxidation of ascorbate while Desferal is ineffective. The ability to inhibit ascorbate autoxidation appears to parallel the rate of the reaction of superoxide with the iron chelate.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Ascorbate ; Autoxidation ; Copper Chelates ; Iron Chelates
ISSN (print) / ISBN 1071-5762
e-ISSN 1029-2470
Zeitschrift Free Radical Research
Quellenangaben Band: 1, Heft: 6, Seiten: 349-353 Artikelnummer: , Supplement: ,
Verlag Taylor & Francis
Begutachtungsstatus Peer reviewed
Institut(e) Abteilung für Strahlenbiologie und Biophysik