PROBLEM TO BE SOLVED: To provide yeast including γ-glutamyl dipeptides such as γ-Glu-Cys or the like represented by a general formula γ-Glu-X, and yeast extracts of the same prepared by using the yeast.SOLUTION: There is provided a yeast which is modified so as to increase activity of γ-glutamyl dipeptide synthase, and reducing activity of glycine synthase.COPYRIGHT: (C)2014,JPO&INPIT【課題】γ-Glu-Cys等の一般式γ-Glu-Xで表記されるγ-グルタミルジペプチドを含有する酵母、及び当該酵母を用いて調製される酵母エキスを提供する。【解決手段】γ-グルタミルジペプチド合成酵素の活性が増大し、且つ、グリシン生成酵素の活性が低下するよう酵母を改変する。【選択図】なし
