Microorganism and its use for the preparation of glutathione

摘要: The present invention relates to a new mutant strain induced from wild of the genus Escherichia, which is active upon γ-glutamyl-L-cystein synthesizing enzyme system and capable releasing synthetase inhibition by glutathione. It preferably Escherichia coli RC 912 (FERM-BP No. 47). also contemplates preparation glutathione (1) culturing foregoing in culture medium' or (2) said first accumulate system, placing latter into contact with substrate L-glutamic acid, L-cysteine glycerine form gluthatione enzymatic reaction.