Antioxidants are stable atom that plays a critical role in protecting the body against the attack of free radicals.
In other words, antioxidants inhibited the onset of free radical before they can cause a chain reaction in facilitating the protein, lipid and cell damage.
Antioxidants can either produced by the liver or intake from dietary sources. Under normal conditions, antioxidant enzymes produced by the body in a healthy individual are good enough to counter the bombardment of free radical attacks.
However, in people with a weakened immune system, intake dietary sources of antioxidants may be necessary.
Oxidative stress is a medical condition characterized by the imbalance of the ratio of free radicals and antioxidant enzymes produced by the host tissue.
In some cases, this reaction also is caused long-term accumulation of toxic substances in the body, such as lead, cadmium, mercury, and arsenic.
Dr. Ercal N, the lead author in the study of the relation of toxic metals and oxidative stress, wrote, "antioxidants may play an important role in abating some hazards of heavy metals. In order to prove the importance of using antioxidants in heavy metal poisoning, pertinent biochemical mechanisms for metal-induced oxidative stress".
There is no single cause of oxidative stress. Some researchers suggested that a number of factors can facilitate the onset of oxidative stress, including cigarette smoke, oxidative burst from activated macrophages, particularly, the free radicals chain reaction.
Sadly, a prolonged period of oxidative stress presented in the human body can cause oxidative damage to biomolecules, (lipids, proteins, DNA) and the death of healthy cells through cytotoxicity.
Certain chronic diseases are found to be associated with oxidative stress, including atherosclerosis, cancer, diabetics, rheumatoid arthritis, post-ischemic perfusion injury, myocardial infarction, cardiovascular diseases, chronic inflammation, and stroke.
Ashwagandha also is known as Withania somnifera is a nightshade plant in the genus of Withania, belonging to the family Solanaceae, native to the dry parts of India, North Africa, Middle East, and the Mediterranean.
The herbal medicine has been considered as Indian ginseng and used in Ayurvedic medicine over 3000 years to treat tumors and tubercular glands, carbuncles, memory loss, and ulcers and considered as anti-stress, cognition-facilitating, anti-inflammatory, and anti-aging herbal medicine.
On finding a potent compound that processes the antioxidant activity, researchers examined the acetylcholine esterase (AChE) inhibitory and antioxidant potential of Ashwagandha root extract (ARE
Ashwagandha root extract (ARE) in in-vitro and ex-vivo models showed a strong free radical scavenging effect by preventing protein degradation.
In rat lymphocytes, ARE pre-treatment not only protect the immune cells' integrity against s against H2 O2 -induced oxidative damage including DNA fragmentation and significantly decreased the activities of key antioxidant enzymes such as peroxide dismutase, catalase, glutathione peroxidase, glutathione reductase, glucose-6-phosphate dehydrogenase.
Furthermore, the decreased and increased the content of glutathione and malondialdehyde induced by the injection H2O2 have also reversed, indicating by the remedy to suppress hydrogen peroxide-induced oxidative stress.
Collectively, researchers said, "The study provides the scientific basis of pleiotropic functions of Ashwagandha".
Taken altogether, Ashwagandha may be considered a functional herb for the treatment of chronic diseases induced by oxidative stress, pending to the result of larger sample size and multicenter 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 international journal Pharma and Bioscience, ISSN 0975-6299.
Sources
(1) Ashwagandha Root Extract Inhibits Acetylcholine Esterase, Protein Modification and Ameliorates H2 O2 -Induced Oxidative Stress in Rat Lymphocytes by Ajay Pal1 , Kandikattu Hemanth Kumar2 , Bharat Bhushan*1, Vinod Saharan (Pharmacogn J. 2017; 9(3):302-309A Multifaceted Journal in the field of Natural Products)
(2) Toxic metals and oxidative stress part I: mechanisms involved in metal-induced oxidative damage by Ercal N1, Gurer-Orhan H, Aykin-Burns N.(PubMed)
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