Main Entry: glu·ta·thi·one

Pronunciation: \ˌglüt-ə-ˈthī-ˌōn\

Function: noun

: a peptide C₁₀H₁₇N₃O₆S that contains one amino acid residue each of glutamic acid, cysteine, and glycine, that occurs widely in plant and animal tissues, and that plays an important role in biological oxidation-reduction processes and as a coenzyme