Preparation of .epsilon.(.gamma.glutamyl)-lysine

Details Preparation of .epsilon.(.gamma.glutamyl)-lysine Preparation of .epsilon.(.gamma.glutamyl)-lysine

A - Human Necessities

23

L

260/523.2

A23L 1/30 (2006.01) A23L 1/227 (2006.01)

Patent

CA 1055046

Title : PREPARATION OF .epsilon.-(.gamma.-GLUTAMYL) - LYSINE Inventors : Paul Andr? FINOT Pierre HIRSBRUNNER Raymond BERTHOLET ABSTRACT OF THE DISCLOSURE A process for the preparation of .epsilon.-(.gamma.-glutamyl)-lysine which comprises heating lysine glutamate for at least 5 hours at a temperature of at least 120°C by means of an inert heat- carrier fluid, and isolating .epsilon.-(.gamma.-glutamyl)-lysine from the conversion product thus obtained. The inert heat-carrier fluid can be either a gas such as air or nitrogen, or a liquid such as n-amylalcohol, kero- sene, nonane, 1,1,2,2-tetrachloroethane, 1-octanol or 2-ethyl- 1-butanol.

245139

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