| abstract |
PURPOSE: To stably produce L-phenylalanine in high efficiency, by treating D,L-phenyllactic acid with a specific bacterial strain. n CONSTITUTION: D,L-phenyllactic acid is treated with one or more bacterial strains selected from Paracoccus genus, Erwinia genus, Proteus genus, Klebsiella genus, Enterobacter genus, Citrobacter genus and Microbacterium genus. The bacterial strain is preferably cultured at 20W50°C and 5W10 pH for 1W5 days. n COPYRIGHT: (C)1988,JPO&Japio |