Fig. 4From: Successful biosynthesis of natural antioxidant ergothioneine in Saccharomyces cerevisiae required only two genes from Grifola frondosaUPLC-ESI–MS analysis of EGT extraction from recombinant strain. a Chromatogram of EGT monitored at 230 m/z. b Electrospray ionization mass spectrum of EGT obtained from extractionBack to article page