Researchers explain why some wound infections become chronic

... individually. Next, to decrease ROS to normal levels, the researchers applied two strong antioxidant supplements, vitamin E and N-Acetyl cysteine. As a result, the activities of the antioxidant enzymes glutathione peroxidase and catalase were ...

http://www.eurekalert.org/pub_releases/2013-12/uoc--rew121713.php