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20 Δεκ 2023 · As an antioxidant, it has two basic functions: first, it reacts and inactivates free radicals in plasma, cytosol, and extracellular fluid compartment of the body. Second, it can regenerate vitamin E in its oxidized form.
- Vitamin C: An Antioxidant Agent
It is involved in the first line of antioxidant defense,...
- Vitamin C: An Antioxidant Agent
2 Αυγ 2017 · A potent antioxidant, vitamin C can donate an atom of hydrogen or high-energy electrons by proton transfer reaction or chelation (Pehlivan 2017). ...
As an electron donor, vitamin C is a potent water-soluble antioxidant in humans. Antioxidant effects of vitamin C have been demonstrated in many experiments in vitro. Human diseases such as atherosclerosis and cancer might occur in part from oxidant damage to tissues.
In this paper, we review vitamin C physiology; the many phenomena involving vitamin C where new knowledge has accrued or where understanding remains limited; raise questions about the vitamin that remain to be answered; and explore lines of investigations that are likely to be fruitful.
2 Αυγ 2017 · It is involved in the first line of antioxidant defense, protecting lipid membranes, and proteins from oxidative damage. As a water soluble molecule, vitamin C can work both inside and outside the cells, and can neutralize free radicals and prevent free radical damage.
Vitamin C plays an important role in a number of metabolic functions including the activation of the B vitamin, folic acid, the conversion of cholesterol to bile acids and the conversion of the amino acid, tryptophan, to the neurotransmitter, serotonin.
10 Αυγ 2023 · Vitamin C is an antioxidant that helps protect your cells against the effects of free radicals — molecules produced when your body breaks down food or is exposed to tobacco smoke and radiation from the sun, X-rays or other sources.
