Birch, Stewart, Kolasch & Birch
Process for purification and recovery of L-phenylalanine
 A process for purification and recovery of phenylalanine from a microbial fermentation broth containing phenylalanine which comprises providing a zinc salt of phenylalanine at a pH of 7-9, adding acid at a pH of 4-7, and separating precipitated phenylalanine. 
Miwon Co., Ltd.
C
C07C
inventional
Min S. Jong S. Gae C. Seung T. Bun S.
Han Kim Lee Lee Lim