Method for cooling and preservation of fish and products...

A - Human Necessities – 23 – B

Patent

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A23B 4/09 (2006.01) A23B 4/08 (2006.01) A23L 1/325 (2006.01)

Patent

CA 2228745

The present invention relates to a method of cooling and preservation of fish and fish products from thus treated fish. The fish is cooled by means of a cooling medium in tanks, containers or other suitable facilities, and also subjected to treatment of at least one preservative agent. The fish is subjected to a combined treatment of a cooling medium and a preservative agent and said treatment is performed by means of a cooling medium comprising C1-4 monocarboxylic acids and/or mono/di or tetra salts of alkali- and/or earth alkali salts of said acids. The cooling is performed by means of a cooling medium, being an aqueous solution of C1-4 monocarboxylic salts in a concentration of 5-30 weight % salts and 95-70 % weight water, or binary ice comprising a preservative agent. The most preferred brine or binary ice comprises potassium formate and/or potassium diformate and/or formic acid. The pH of the brine can be adjusted by addition of an acid or disalt being the equivalent of the monosalt applied in the brine.

L'invention concerne un procédé pour refroidir et conserver des poissons et des produits dérivés de poissons ainsi traités. Les poissons sont refroidis au moyen d'un milieu réfrigérant dans des cuves, des récipients ou tout autre installation appropriée. Les poissons sont également traités par au moins un agent de conservation. Les poissons sont soumis à un traitement combiné d'un milieu réfrigérant et d'un agent de conservation. Ce traitement fait appel à un milieu réfrigérant contenant des acides monocarboxyliques en C1-4 et/ou des mono-/di- ou tétra-sels constitués de sels de métaux alcalins et/ou alcalino-terreux de ces acides. Le refroidissement se fait au moyen d'un milieu réfrigérant, qui est une solution aqueuse contenant 5-30 % en poids de sels monocarboxyliques en C1-4 et 95-70 % en poids d'eau, ou une glace binaire contenant un agent de conservation. La saumure ou glace binaire préférée contient du formiate de potassium et/ou du diformiate de potassium et/ou de l'acide formique. Le pH de la saumure peut être ajusté par l'addition d'un acide ou d'un di-sel, pour avoir l'équivalent d'une addition du mono-sel à la saumure.

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