https://www.selleckchem.com/pr....oducts/etomoxir-na-s
(R)-Mandelic acid (R-MA) is a key precursor for the synthesis of semi-synthetic penicillin, cephalosporin, anti-obesity drugs, antitumor agents, and chiral resolving agents for the resolution of racemic alcohols and amines. In this study, an enzymatic method for the large-scale production of R-MA by a stereospecific nitrilase in an aqueous system was developed. The nitrilase activity of the Escherichia coli BL21(DE3)/pET-Nit whole cells reached 138.6 U/g in a 20,000-L fermentor. Using recombinant E. coli cells as catalyst, 500
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