Method of isolating l-trytophan

Details Method of isolating l-trytophan Method of isolating l-trytophan

C - Chemistry, Metallurgy

07

D

260/319.5

C07D 209/20 (2006.01) C12N 1/02 (2006.01) C12P 13/04 (2006.01) C12P 13/06 (2006.01) C12P 13/22 (2006.01)

Patent

CA 1215069

Title of the Invention METHOD OF ISOLATING L-TRYPTOPHAN Abstract of the Disclosure When an L-tryptophan-containing reaction mixture produced by a reaction involving the use of a microorganism is treated with an H-type strongly acidic cation exchange resin without removing the microorganism from it, the L-tryptophan is adsorbed on the ion exchange resin and the microorganism is floc- culated on the ion exchange resin. The flocculated microorganism is easily removed by washing the ion exchange resin. The adsorbed L-tryptophan is eluted from the ion exchange resin and purified to a high purity.

444165

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