Preparation of a γ-glutamylcysteine-enriched yeast extract from a newly developed GSH2-deficient strain.

Abstract excerpt

Gamma-glutamylcysteine (γ-GC), the precursor of glutathione (GSH), may have significant health benefits as a dietary supplement, but there are few cost-effective methods available for its large-scale production. We developed an efficient method for producing γ-GC in a mutant yeast strain using a three-step breeding procedure and a unique cultivation process. In the first breeding step, we prepared a glutathione...

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