Abstract: A concentrated aqueous solution of the sodium salt of methionine, which is practically free from inorganic salts, is produced from the medium resulting from the hydrolysis of 5-(.beta.-mercaptoethyl)hydantoin.
Type:
Grant
Filed:
July 14, 1987
Date of Patent:
December 6, 1988
Assignee:
AEC-Sociate de Chimie Organique et Biologique