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Oxidative Stress: Difference between revisions
→Antioxidants and Their Role in Combating Oxidative Stress
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* '''Non-enzymatic Antioxidants:''' This group includes Vitamin C, Vitamin E, and glutathione. These small molecule antioxidants scavenge free radicals and contribute to the repair and regeneration of oxidized antioxidants. | * '''Non-enzymatic Antioxidants:''' This group includes Vitamin C, Vitamin E, and glutathione. These small molecule antioxidants scavenge free radicals and contribute to the repair and regeneration of oxidized antioxidants. | ||
* '''Metal-Binding Proteins:''' Proteins such as ferritin and ceruloplasmin that sequester free iron and copper ions, which can catalyze the production of free radicals, thus reducing oxidative stress. | * '''Metal-Binding Proteins:''' Proteins such as ferritin and ceruloplasmin that sequester free iron and copper ions, which can catalyze the production of free radicals, thus reducing oxidative stress. | ||
=== Dietary Sources of Antioxidants === | === Dietary Sources of Antioxidants === | ||
Diet is a significant source of antioxidants. Foods high in antioxidants include: | Diet is a significant source of antioxidants. Foods high in antioxidants include: | ||
'''Fruits and Vegetables:''' Berries, citrus fruits, and leafy greens are high in vitamins C and E, as well as various phytochemicals. | * '''Fruits and Vegetables:''' Berries, citrus fruits, and leafy greens are high in vitamins C and E, as well as various phytochemicals. | ||
'''Nuts and Seeds:''' These are sources of vitamin E and selenium, another important antioxidant. | * '''Nuts and Seeds:''' These are sources of vitamin E and selenium, another important antioxidant. | ||
'''Whole Grains:''' Whole grains contain antioxidants like vitamin E and phytochemicals. | * '''Whole Grains:''' Whole grains contain antioxidants like vitamin E and phytochemicals. | ||
'''Tea and Coffee:''' Rich in flavonoids, these beverages contribute significantly to the total antioxidant intake. | * '''Tea and Coffee:''' Rich in flavonoids, these beverages contribute significantly to the total antioxidant intake. | ||
=== Limitations and Considerations === | === Limitations and Considerations === | ||