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[gloo-tuh-thahy-ohn] /ˌglu təˈθaɪ oʊn/

noun, Biochemistry.
a crystalline, water-soluble peptide of , cysteine, and glycine, C 10 H 17 N 3 O 6 S, found in blood and in animal and plant tissues, and important in tissue oxidations and in the activation of some enzymes.
/ˌɡluːtəˈθaɪəʊn; -θaɪˈəʊn/
(biochem) a tripeptide consisting of glutamic acid, cysteine, and glycine: important in biological oxidations and the activation of some enzymes. Formula: C10H17N3O6S

glutathione glu·ta·thi·one (glōō’tə-thī’ōn’)
A tripeptide of the amino acids glycine, cystine, and glutamic acid occurring widely in plant and animal tissues and forming reduced and oxidized forms important in biological oxidation-reduction reactions.
A polypeptide consisting of glycine, cysteine, and glutamic acid that occurs widely in plant and animal tissues. It is important in cellular respiration in both plants and animals, and serves as a cofactor for many enzymes. It is a major protective mechanism against oxidative stress. For example, it protects red blood cells from hydrogen peroxide, a toxic byproduct of certain metabolic reactions.


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