Overproduction of oxidants (reactive oxygen species and reactive nitrogen species) in the
human body is responsible for the pathogenesis of some diseases. The scavenging of these …

Free radicals are a group of damaging molecules produced during the normal metabolism of
cells in the human body. Exposure to ultraviolet radiation, cigarette smoking, and other …

Natural antioxidants are the plants-and other living organism-derived compounds with a
strong potential to inhibit oxidative stress by controlling the formation of free radicals …

Free radicals or reactive oxygen species (ROS) generated from various sources in the
environment as well as from cellular processes in the body are of serious health challenges …

Antioxidants are compounds that inhibit the oxidation of other molecules and protect the
body from the effects of free radicals, produced either by normal cell metabolism or as an …

Free radicals are reactive oxygen species that constantly circulate through the body and
occur as a side effect of many reactions that take place in the human body. Under normal …

Reactive oxygen species (ROS), as well as reactive nitrogen species (RNS) play either
harmful or beneficial role in biological systems. Beneficial effects of ROS include …

Free radicals are constructed by natural physiological activities in the human cells as well as
in the environment. They may be produced as a result of diet, smoking, exercise …

Abiotic environmental stress causes plants and animals to produce excessive superoxide
radicals that are extremely toxic and reactive, thereby causing injury to tissue resulting in the …

Phytochemicals refer to active substances in plant-based diets. Phytochemicals found in for
example fruits, vegetables, grains and seed oils are considered relatively safe for …