Saccharomyces cerevisiae strains for hyper-producing glutathione and gamma-glutamylcysteine and processes of use

摘要

The present invention provides a biologically pure culture of Saccharomyces cerevisiae strain YA02032 or YA03083, which culture has a characteristic nature capable of producing glutathione and the precursor thereof, gamma-glutamylcysteine. A composition comprising the culture and a process for the production of glutathione and/or the precursor thereof, gamma-glutamylcysteine, are also provided.