It is evident that oxidative stress is associated with the development
of many chronic and degenerative diseases. Apparently,
reactive oxygen species (ROS) such as hydroxyl
radical (OH•), superoxide anion (O
2 ), and hydrogen peroxide
(H2O2) produced during normal metabolic activities or as
a consequence response to abnormal stress, might be implicated
in the pathogenesis of aging and several diseases. ROS
exhibits deleterious effects on biological macromolecules
such as proteins, lipids, and DNA. The human body develops
a very delicate mechanism to eliminate free radicals from the
body (Davies 2000).
It is evident that oxidative stress is associated with the developmentof many chronic and degenerative diseases. Apparently,reactive oxygen species (ROS) such as hydroxylradical (OH•), superoxide anion (O2 ), and hydrogen peroxide(H2O2) produced during normal metabolic activities or asa consequence response to abnormal stress, might be implicatedin the pathogenesis of aging and several diseases. ROSexhibits deleterious effects on biological macromoleculessuch as proteins, lipids, and DNA. The human body developsa very delicate mechanism to eliminate free radicals from thebody (Davies 2000).
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