PROCESS FOR PURIFYING TRYPTOPHAN

• Main Authors: NITTA, KAZUNARI, MIYAHARA, SHOUICHIRO, MIYAHARA, TORU, MATSUMOTO, TOSHIO
• Format: Patent
• Language: English; Korean
• Published: 28.04.1989
• Edition: 4
• Subjects: BEER; BIOCHEMISTRY; CHEMISTRY; COMPOSITIONS THEREOF; CULTURE MEDIA; ENZYMOLOGY; FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE; HETEROCYCLIC COMPOUNDS; METALLURGY; MICROBIOLOGY; MICROORGANISMS OR ENZYMES; MUTATION OR GENETIC ENGINEERING; ORGANIC CHEMISTRY; PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS; SPIRITS; VINEGAR; WINE

A tryptophan is purified by (a) passing a reaction liquid prepd. from an unreacted indole by an emzymatic reaction through a porous cation exchange resin layer to adsorb tryptophan onto the exchange part while adsorbing the indole onto the porouds part of the resin, and (b) eluting the adsorbed tryp...