Fish are treated by applying to them, for the duration of 30 seconds to 5 minutes, a composition kept at a temperature of between 70 and 100 DEG C, which lifts the skin from the flesh, the said composition being an aqueous solution containing urea and optionally an alkaline agent, the pH of which in an aqueous solution of 1% by weight is at least 8.5 at 20 DEG C; the skin is separated from the flesh and the skinned fish are recovered. The composition can contain 0.1 to 5% by weight of urea and 0 to 5% by weight of the said alkaline agent and can have a pH between 8.3 and 13. The method is applicable to all fish and in particular to the following: tuna, herring, mackerel, hake, cod, pollack.
ON TRAITE LES POISSONS EN LEUR APPLIQUANT, PENDANT UN TEMPS DE 30 SECONDES A 5 MINUTES, UNE COMPOSITION MAINTENUE A UNE TEMPERATURE DE 70 A 100C, QUI DECOLLE LA PEAU DE LA CHAIR, LADITE COMPOSITION ETANT UNE SOLUTION AQUEUSE CONTENANT DE L'UREE ET EVENTELLEMENT UN AGENT ALCALIN, DONT LE PH EN SOLUTION AQUEUSE A 1 EN POIDS EST AU MOINS EGAL A 8,5 A 20C; ON SEPARE LA PEAU DE LA CHAIR ET ON RECUPERE LES POISSONS PELES. LA COMPOSITION PEUT CONTENIR EN POIDS 0,1 A 5 D'UREE ET 0 A 5 DUDIT AGENT ALCALIN ET AVOIR UN PH COMPRIS ENTRE 8,3 ET 13.</P><P>LE PROCEDE S'APPLIQUE A TOUS LES POISSONS ET NOTAMMENT AUX SUIVANTS : THON, HARENG, MAQUEREAU, MERLU, CABILLAUD, LIEU.