PROCESS FOR PRODUCING PROTEIN HYDROLYSATE CONTAINING LESS CHROMIUM THAN 1 PPM, AS WELL AS METAL CHELATE OR AMINO ACID-OLIGOPEPTIDE
A protein hydrolysate is prepd. by alkaline hydrolysis from previously desalted, comminuted chrome tanned leather. This hydrolysate contains less than 1 ppm Cr, based on solids content. An excess quantity of a base is added for hydrolysis (calculated on Cr concn.) so that the initial concn. of 3.3-0...
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