Abstract
In the last one decade, researchers are exploring the possibility of developing less toxic selenium compounds as alternate class of antioxidants. Since most of the biological effects of selenium are mediated through selenoproteins such as glutathione peroxidase (GPx), new organoselenium compounds are being designed that could mimic the activity of GPx enzyme. One of the essential requirements for an antioxidant is its ability to scavenge reactive oxygen species (ROS), therefore studies are also directed to monitor the reactions of free radical and molecular ROS with important selenium compounds. The redox potentials reported for a few selenium compounds provided useful information on predicting their antioxidant activity. Finally the recent in vitro and in vivo biological studies with certain compounds have indicated that selenium not only exhibits potential antioxidant ability but under some conditions shows pro-oxidant effects. Important highlights on these aspects are summarised in the present article.
Keywords: Selenium, reactive oxygen species, antioxidant, pro-oxidant, redox potential, electron transfer
Current Chemical Biology
Title:Current Developments on Synthesis, Redox Reactions and Biochemical Studies of Selenium Antioxidants
Volume: 7 Issue: 1
Author(s): K. Indira Priyadarsini, Beena G. Singh and Amit Kunwar
Affiliation:
Keywords: Selenium, reactive oxygen species, antioxidant, pro-oxidant, redox potential, electron transfer
Abstract: In the last one decade, researchers are exploring the possibility of developing less toxic selenium compounds as alternate class of antioxidants. Since most of the biological effects of selenium are mediated through selenoproteins such as glutathione peroxidase (GPx), new organoselenium compounds are being designed that could mimic the activity of GPx enzyme. One of the essential requirements for an antioxidant is its ability to scavenge reactive oxygen species (ROS), therefore studies are also directed to monitor the reactions of free radical and molecular ROS with important selenium compounds. The redox potentials reported for a few selenium compounds provided useful information on predicting their antioxidant activity. Finally the recent in vitro and in vivo biological studies with certain compounds have indicated that selenium not only exhibits potential antioxidant ability but under some conditions shows pro-oxidant effects. Important highlights on these aspects are summarised in the present article.
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Cite this article as:
Indira Priyadarsini K., G. Singh Beena and Kunwar Amit, Current Developments on Synthesis, Redox Reactions and Biochemical Studies of Selenium Antioxidants, Current Chemical Biology 2013; 7 (1) . https://dx.doi.org/10.2174/2212796811307010004
DOI https://dx.doi.org/10.2174/2212796811307010004 |
Print ISSN 2212-7968 |
Publisher Name Bentham Science Publisher |
Online ISSN 1872-3136 |
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