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|Section2= |Section3= }} Ophthalmic acid, also known as ophthalmate (chemically L-γ-glutamyl-L-α-aminobutyrylglycine), is a tripeptide analogue of glutathione in which the cysteine group is replaced by L-2-aminobutyrate. It was first discovered and isolated from calf lens.〔Waley SG; Biochem. J. 64, 715 (1956).〕 ==Biosynthesis== Recent studies have shown that the ophthalmate can be biologically synthesized from 2-amino butyric acid through consecutive reactions with gamma-glutamylcysteine synthetase and glutathione synthetase. So the ophthalmic acid could be used as a biomarker in oxidative stress where the depletion of glutathione takes place.〔 〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ophthalmic acid」の詳細全文を読む スポンサード リンク
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