Method for preservation under pressure

Details Method for preservation under pressure Method for preservation under pressure

A - Human Necessities

23

L

A23L 3/015 (2006.01) A61L 2/02 (2006.01)

Patent

CA 2255679

Method for substantially decreasing the viability of microorganisms and deactivating enzymes in a contaminated substance by exerting a high pressure to the substance. The substance is conducted in a steady flow through an open, narrow tube (6) while the pressure difference between the entrance and the exit of the tube is maintained at 100 MPa or more. The temperature rise of the product during tube passage can be confined to less than 5 ~C. The method enables fully continuous UHP preservation.

Procédé permettant de diminuer sensiblement la viabilité des micro-organismes et d'inactiver les enzymes dans une substance contaminée en exerçant une forte pression sur cette dernière. On fait passer la substance en flux constant dans un tube étroit ouvert (6), tout en maintenant la différence de pression entre l'entrée et la sortie du tube à 100 MPa ou davantage. L'élévation de température du produit durant le passage dans le tube peut être limitée à moins de 5 ·C. Le procédé permet de réaliser la conservation UHP totalement en continu.

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