Process for isolating and purifying amino acids

Details Process for isolating and purifying amino acids Process for isolating and purifying amino acids

1989-05-16

1990-09-11

Gray, Bruce

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

562554, C07D23364, C07C 9912

Patent

active

049564714

ABSTRACT:
A process for isolating and purifying an amino acid, which comprises subjecting an aqueous solution of said amino acid containing impurities composed mainly of at least one member selected from the group consisting of acidic amino acids, lysine, ornithine, citrulline, histidine, PCA, sulfate ions, chloride ions and pigments to ion-exclusion chromatography using a strongly acidic cation exchange resin.

REFERENCES:
patent: 2684331 (1954-07-01), Bauman
patent: 2771193 (1956-11-01), Simpson
patent: 4133753 (1979-01-01), Takeuchi et al.
Chem. Eng. Progress, 52, p. 430 Oct. 1956, Wheaton et al.
Helftman, E., Chromatography, 2nd Edition, 1967, pp. 295-297.
Helfferich, F., Ion Exchange, 1962, pp. 134, 135, 430-433.
Asher, D. R., Glycerol Purification by Ion Exclusion, 1956, pp. 518-521.
Wheaton, R. M. and Bauman, W. C., Ion Exclusion, Industrial and Engineering Chemistry, 1953, pp. 228-233.
Simpson, D. W. and Bauman, W. C., Concentration Effects of Recycling in Ion Exclusion, Industrial and Engineering Chemistry, 1954, pp. 1958-1963.
Applebaum, S. B., Demineralization by Ion Exchange, Academic Press, New York, 1968, pp. 368,369,374,375.
Fellicetta, V. F. et al., Spent Sulfite Liquor VII, TAPPI 1959, pp. VII, 1959, pp. 496-502.
Asher, D. R., Sugar Purification by Ion Exclusion, 1956, Industrial and Engineering Chemistry pp. 1465-1467.
Seamster, A. H. and Wheaton, R. M., Ion Exchange Becomes Powerful Processing Tool, Chemical Engineering 1960, pp. 115-120.
Wheaton, R. M., New Uses for Ion Exchange Resins, 1956, Chemical Engineering Progress pp. 428-432.

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