Free radicals are highly reactive atoms associated with an unpaired electron in the outermost ring produced internally by our body cell metabolism and externally by the environmental factors, including the air which we breathe and the food we eat.
In other words, any chemicals compounds or molecules which process oxygen atom can be free radicals after chemical interaction.
Out of all damages caused by overexpression of free radicals, some researchers suggested that lipid peroxidation induced by free radical has a strong implication in the pathogenesis of various disorders and diseases, including free radical-mediated chain reaction, enzyme-mediated oxidation, and nonradical, non-enzymatic oxidation.
Free radical scavengers are antioxidants that process a specific function to prevent the forming of free radicals by removing them before they can damage vital components of the cell.
Dr. Slemmer JE, the lead scientist in the examination of free radical scavengers for the treatment of stroke wrote, "The overproduction of reactive oxygen species (ROS) and reactive nitrogen species (RNS) is a common underlying mechanism of many neuropathologies, as they have been shown to damage various cellular components, including proteins, lipids, and DNA".
And "several acute and chronic pharmacological therapies that have been extensively studied in order to reduce ROS/RNS loads in cells and the subsequent oxidative stress, so-called "free-radical scavengers".
These results strongly suggested that antioxidants with free radical scavenging activity protect the body against the damage of various cellular components, including proteins, lipids, and DNA alternation in the initiation of diseases.
On finding a potential compound for the treatment of diseases associated with oxidative stress, researchers examined the cranberry antioxidative and protective effects of cranberry flavonoids in free radical-generating systems on mitochondrial ultrastructure.
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Kyle J. Norton (Scholar, Master of Nutrition, All right reserved)
Health article writer and researcher; Over 10.000 articles and research papers have been written and published online, including worldwide health, ezine articles, article base, health blogs, self-growth, best before it's news, the karate GB daily, etc.,.
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Nominated for shorty award over last 4 years
Some articles have been used as references in medical research, such as international journal Pharma and Bioscience, ISSN 0975-6299.
(1) Cranberry flavonoids prevent toxic rat liver mitochondrial damage in vivo and scavenge free radicals in vitro by Lapshina EA1, Zamaraeva M2, Cheshchevik VT1, Olchowik-Grabarek E2, Sekowski S2, Zukowska I2, Golovach NG1, Burd VN1, Zavodnik IB. (PubMed)
(2) The natural food colorant Peonidin from cranberries as a potential radicalscavenger - A DFT based mechanistic analysis by Rajan VK1, Hasna CK1, Muraleedharan K2. (PubMed)