Antioxidant A compounds that can inhibit oxidative processes.
Free radical A compound with an unpaired electron that can promote oxidative reaction.
Free radical scavenger A compound that can absorb a free radical to decrease the radical energy thus making it less likely to cause oxidation.
Metal chelators Compounds that can bind metals and decrease their reactivity.
Phenolic A group of chemical compounds primarily found in plants that act as antioxidant and are beneficial to health.