Oxidative stress is a condition characterized by a chain reaction of the overexpression of free radical that cannot be stopped.
In other words, overexpression of free radicals and depletion of antioxidants are the major cause of oxidative stress.
More precisely, oxidative stress is a result of a long-term imbalance of the ratio of free radicals and antioxidant produced by the host.
Free radicals are highly reactive atoms with a single unpaired electron in an outermost shell with a function to donate or intercepts an electron from other stable atoms, leading to a chain reaction that induces oxidative damage to the enzymes, other proteins, unsaturated fatty acid, phospholipids, DNA and RNA,..,
Antioxidants are stable atoms that inhibit oxidation.
Oxidative stress may be preventable if antioxidants in the body can pair all electrons in the outermost ring.
Overexpression of free radicals is harmful to the human body. However, free radicals in a moderate amount generated from cell metabolism may play a critical role in the synthesis of energy and essential molecules and boosting the immune system.
In a healthy individual, antioxidants produced by the body are good enough to prevent the onset of oxidative stress. However, im people with a weakened immune system, intake of dietary antioxidants such as supplements of antioxidant-rich food may be necessary.
Dr. Biller-Takahashi JD, the lead scientist at the joint study led by the UNESP Univ Estadual Paulista wrote, "short-term supplementation with 0.6 mg Se-yeast kg(-1) reestablished the antioxidative status, allowing the production of innate components which can boost immunity without the risk of oxidative stress".
Broccoli is a species of Brassica Oleracea, belongings to the family Brassicaceae with unknown origin. Today, the plant is cultivated commercially for its thick, slightly bitter edible leaves.
On findings a potent and natural compound to prevention pancreatic tissue damage in diabetes, scientists investigated the potential hypoglycaemic and antioxidant properties of aqueous broccoli extracts (BEs) in diabetic rats.
In other words, BEs reduced the damage of pancreas tissue caused by STZ induced hyperglycemia and oxidative injury by enhancing the production of antioxidant enzymes in the tested rats.
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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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Some articles have been used as references in medical research, such as international journal Pharma and Bioscience, ISSN 0975-6299.
(1) Broccoli (Brassica oleracea) Reduces Oxidative Damage to Pancreatic Tissue and Combats Hyperglycaemia in Diabetic Rats by Suresh S1, Waly MI1, Rahman MS1, Guizani N1, Al-Kindi MAB2, Al-Issaei HKA2, Al-Maskari SNM3, Al-Ruqaishi BRS3, Al-Salami A. (PubMed)
(2) The immune system is limited by oxidative stress: Dietary selenium promotes optimal antioxidative status and greatest immune defense in pacu Piaractus mesopotamicus by Biller-Takahashi JD1, Takahashi LS2, Mingatto FE3, Urbinati EC. (PubMed)