Process for purifying tryptophan

Details Process for purifying tryptophan Process for purifying tryptophan

1990-06-26

1991-10-15

Springer, David B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D20920

Patent

active

050576151

ABSTRACT:
A process for purifying tryptophan is disclosed. In the process of the present invention, tryptophan is recrystallized in water-containing acetic acid. By the process of the present invention, tryptophan with high purity may be obtained with high yield without condensation or neutralization.

REFERENCES:
Patent Abstracts of Japan, Unexamined Applications, C Field, vol. 10, No. 314, Oct. 24, 1986, p. 118 C 380 (Kokai No. 61-126070).
Patent Abstracts of Japan, Unexamined Applications, C Field, vol. 8, No. 130, Jun. 16, 1984, p. 7 C 229 (Kokai No. 59-39857).

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