Definition of "glutathione" []

• A polypeptide, C10H17N3O6S, of glycine, cysteine, and glutamic acid that occurs widely in plant and animal tissues and is important in biological oxidation-reduction reactions. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "NAC does this by supplying cysteine, an amino acid which is the rate-limiting constituent in glutathione biosynthesis."
• "Garlic increases the production of an enzyme known as glutathione peroxidase, which helps detoxify carcinogens."
• "We also studied a variety of enzymes leading to the elucidation of the structure and the chemical nature of the selenium moiety in glutathione peroxidase (with Ladenstein, Epp)."