Sempervirine nitrate , a specific molecular inhibitor of Mdm2, to MEF cells abrogated Period 2 ubiquitination leading to the accumulation of a stable pool of Period 2.

Superoxide dismutase, Porcine erythrocytes (SOD) is the only antioxidant enzyme that scavenges the superoxide anion by converting this free radical to oxygen and hydrogen peroxide, thus preventing peroxynitrite production and further damage. Superoxide dismutase, Porcine erythrocytes is extensively researched and used in anti-inflammatory, antitumor, radiation protection, and antisenility applications.

(-)-Epiafzelechin 3-O-gallate has antioxidant activity.