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Some antioxidants are only found in a few organisms, and can be pathogens or virulence factors. [51] The interactions between these different antioxidants may be synergistic and interdependent. [52] [53] The action of one antioxidant may therefore depend on the proper function of other members of the antioxidant system. [33]
This finding raises the possibility of an important role of antioxidant function in modulating lifespan. [34] SOD knockdowns in the worm C. elegans do not cause major physiological disruptions. However, the lifespan of C. elegans can be extended by superoxide/catalase mimetics suggesting that oxidative stress is a major determinant of the rate ...
Several isozymes are encoded by different genes, which vary in cellular location and substrate specificity. Glutathione peroxidase 1 (GPx1) is the most abundant version, found in the cytoplasm of nearly all mammalian tissues, whose preferred substrate is hydrogen peroxide.
It is an antioxidant in plants, animals, fungi, and some bacteria and archaea. Glutathione is capable of preventing damage to important cellular components caused by sources such as reactive oxygen species, free radicals, peroxides, lipid peroxides, and heavy metals. [2]
Coenzyme Q 10 (CoQ 10 / ˌ k oʊ k j uː ˈ t ɛ n /), also known as ubiquinone, is a naturally occurring biochemical cofactor (coenzyme) and an antioxidant produced by the human body. [1] [2] [3] It can also be obtained from dietary sources, such as meat, fish, seed oils, vegetables, and dietary supplements.
The fiber in beans helps reduce cholesterol levels, and the antioxidants help reduce inflammation in the body, which can improve overall cardiovascular function (learn more about why fiber is so ...
Antioxidants play a crucial role in mitigating lipid peroxidation by neutralizing free radicals, thereby halting radical chain reactions. Key antioxidants include vitamin C and vitamin E . [ 8 ] Additionally, enzymes including superoxide dismutase , catalase , and peroxidase contribute to the oxidation response by reducing the presence of ...
Leafy greens are another all-star filled with heart-supporting antioxidants and potassium, says Pittsburgh-based sports nutritionist Leslie Bonci, M.P.H., RDN, FAND.