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Propyl gallate is an antioxidant that neutralizes free radicals, which are unstable molecules that can damage cells, proteins, and DNA. It is used as a triplet state quencher and an antioxidant in fluorescence microscopy .
The free radical theory of aging states that organisms age because cells accumulate free radical damage over time. [1] A free radical is any atom or molecule that has a single unpaired electron in an outer shell. [2] While a few free radicals such as melanin are not chemically reactive, most biologically relevant free radicals are highly ...
The hydroxyl radical, Lewis structure shown, contains one unpaired electron. Lewis dot structure of a Hydroxide ion compared to a hydroxyl radical. In chemistry, a radical, also known as a free radical, is an atom, molecule, or ion that has at least one unpaired valence electron.
Antioxidants neutralize free radicals. Both are molecules that circulate in the body. ... Free radicals are produced by certain body functions, like metabolism, and also by exposure to harmful ...
“Antioxidants are compounds that neutralize unstable molecules called free radicals. When free radical numbers get too high in the body, causing an imbalance, it leads to cellular and tissue ...
Polyphenols have been found to be strong antioxidants that may neutralize free radicals, which may help prevent cellular damage. “By reducing oxidative stress, polyphenols in pomegranates may ...
Phosphites: Act by decomposing peroxides into non-radical products, thus preventing further generation of free radicals, and contributing to the overall oxidate stability of the polymer. Phosphites are often used in combination with phenolic antioxidants for syngeristic effects. Example: tris(2,4-di-tert-butylphenyl)phosphite [citation needed]
SOD1 binds copper and zinc ions and is one of three superoxide dismutases responsible for destroying free superoxide radicals in the body. The encoded isozyme is a soluble cytoplasmic and mitochondrial intermembrane space protein, acting as a homodimer to convert naturally occurring, but harmful, superoxide radicals to molecular oxygen and hydrogen peroxide.