By Kyle J. Norton
Free radicals are highly unstable atoms. Internally, free radicals are produced by our body's cell metabolism. Externally, free radicals can enter our bodies from environmental sources, such as the air we breathe, the food we eat, and the water we drink.
In other words, any chemical compounds or molecules which process an oxygen atom can be free radicals in a chemical reaction with other atoms.
According to epidemiological studies, free radicals are dangerous to human health in excessive amounts. Overexpression of free radicals-induced oxidative stress has been found to damage the lipid, and protein and induce the alternation of healthy cell DNA.
Antioxidants are stable atoms that inhibit oxidation induced by free radicals.
Out of all damages caused by the overexpression of free radicals, some researchers suggested that lipid peroxidation induced by free radicals has a strong implication in the pathogenesis of various disorders and diseases.
Oxidative stress can either be caused by the overexpression of free radicals or the depletion of antioxidant enzymes produced by the host. The condition has been found to induce cardiovascular disease and type 2 diabetes.
In a healthy person, antioxidants produced by the body are more than enough to counter the expression of free radicals. However, in people with a weakened immune system, the intake of dietary antioxidants regularly can be helpful.
Cranberry is an evergreen dwarf shrub, genus Vaccinium, belongings to the family Ericaceae, native to Northern America and Southern Asia.
Because of its health benefits, cranberry has been cultivated in some parts of the world for commercial profit and used in traditional and herbal medicine to treat wounds, urinary disorders, diarrhea, diabetes, stomach ailments, and liver problems.
In finding a potential compound for the treatment of diseases associated with oxidative stress, researchers examined the effect of cranberry (V. macrocarpon) antioxidant activity.
According to studies, * Vaccinium oxycoccos fruit as a whole group is a valuable source of antioxidants and other biologically active substances.
* European cranberry fruit processed strong antioxidant properties due to being rich in polyphenolic compounds anthocyanins (12.4–207.3 mg/100 g fw), proanthocyanins (1.5–5.3 mg/100 g fw), and flavonols, especially quercetin (0.52–15.4 mg/100 g fw).
* Small cranberry showed a significant antioxidant effect against various biological protection including urinary tract protection (proanthocyanidins), antibacterial and antifungal properties (quercetin, proanthocyanidins, anthocyanins), cardioprotective (proanthocyanidins) and anticancer activities (proanthocyanidins).
Based on the findings, researchers said, "Taking into account various beneficial effects of small cranberries on human health, also in folk medicine, the consumption of these fruits and their products is widely recommended.".
Taken altogether, cranberry may be considered a remedy for enhancing antioxidant activity, pending the confirmation of the larger sample size and multicenter human study.
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Author Biography
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.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada - Huffington Post
Nominated for shorty award over last 4 years
Some articles have been used as references in medical research, such as the international journal Pharma and Bioscience, ISSN 0975-6299.
Sources
(1) Bioactive Compounds, Antioxidant Activity, and Biological Effects of European Cranberry (Vaccinium oxycoccos) by Tunde Jurikova,1 Sona Skrovankova,2 Jiri Mlcek,2,* Stefan Balla,1 and Lukas Snopek. (PMC)
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