Issue 4, 2006
From the journal:

New Journal of Chemistry

How vitamin E scavenges DPPH radicals in polar protic media

Hong-Yu Zhang*a  and  Hong-Fang Jia  

* Corresponding authors

a Shandong Provincial Research Center for Bioinformatic Engineering and Techniques, Center for Advanced Study, Shandong University of Technology, Zibo, P. R. China
E-mail: zhanghy@sdut.edu.cn
Fax: +86 533-2780271
Tel: +86 533-2780271

Abstract

Although three mechanisms, i.e., one-step H-atom transfer (HAT), sequential proton-loss–electron-transfer (SPLET) and stepwise electron-transfer–proton-transfer (ET–PT), have been proposed to elucidate the 1,1-diphenyl-2-picrylhydrazyl radical (DPPH˙) scavenging of 2,2,5,7,8-pentamethyl-6-hydroxychroman (PMHC), a vitamin E model, in methanol, our theoretical analysis indicates that the former two processes are more probable than the latter one.

Graphical abstract: How vitamin E scavenges DPPH radicals in polar protic media

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Article information

DOI
https://doi.org/10.1039/B600025H
Article type
Opinion
Submitted
04 Jan 2006
Accepted
13 Feb 2006
First published
08 Mar 2006

New J. Chem., 2006,30, 503-504

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How vitamin E scavenges DPPH radicals in polar protic media

H. Zhang and H. Ji, New J. Chem., 2006, 30, 503 DOI: 10.1039/B600025H

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