Polymer grade lactic acid monomer production bacteria and construction method thereof and technology for manufacturing lactic acid

摘要

Disclosed are very high optically pure D- and L-lactic acid fermentation production strains and construction methods thereof and the method for preparing very high optically pure D- and L-lactic acids using the strains, wherein the deposit number of the D-lactic acid fermentation production strain is CGMCC No. 11059, and the deposit number of the L-lactic acid fermentation production strain is CGMCC No. 11060.