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Abstract

A medicinal composition, particularly but not exclusively for use in fluids for medical dialysis, contains, as an agent for maintaining the osmolality of the fluid, a protein hydrolysate resulting from the action of a proteolytic enzyme on the sodium caseinate fraction of milk protein. The enzyme is preferably trypsin but other proteolytic enzymes and enzyme mixtures may be used, examples being chymotrypsin, pancreatin and pronase. The method of production involves treating the sodium caseinate in aqueous medium with the enzyme at the appropriate pH and temperature for optimum enzyme activity. The product of the enzymic hydrolysis, after filtration through a bacterial filter, adjustment of the osmolality to an appropriate level of around 300 mOsm/Kg and the pH to physiological level of about 6.6 and addition of physiological salt levels, constitutes the final product.

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First Claim