Procedure for detoxification of shellfish, contaminated with...

Details Procedure for detoxification of shellfish, contaminated with... Procedure for detoxification of shellfish, contaminated with...

A - Human Necessities

22

C

A22C 29/00 (2006.01) A23L 1/015 (2006.01) A23L 1/33 (2006.01) A23L 1/333 (2006.01)

Patent

CA 2211055

This invention relates to a process for detoxifying shellfish contaminated with paralytic toxin. Decontamination is achieved through a process involving the chemical treatment of shellfish. This chemical treatment consists of cooking theshellfish in an alkaline pH solution. This treatment can be combined with one or more other procedures for the reduction of the products' final toxicity, these other procedures including, for example, partial shellfish detoxification by depuration, removal of the most toxic parts, and commercial cooking/canning of the shellfish. The process reduces total toxicity levels in shellfish to values below 80 ug of eq. STX/100 g of shellfish, independently of the toxin profile, or of the initial toxicity present in the shellfish.

Procédé pour détoxifier des coquillages (ou crustacés) contaminés par la saxitoxine, grâce à un procédé avec traitement chimique du coquillage. Le traitement consiste à cuire le coquillage dans une solution à pH alcalin. Ce traitement peut être combiné avec une ou plusieurs autres méthodes pour la réduction de la toxicité finale du produit; ces traitements comprennent d'autres techniques, comme la détoxification partielle des coquillages par dépuration, l'élimination des parties les plus toxiques, la cuisson/mise en conserve des coquillages. Le procédé permet de réduire la toxicité totale pour les coquillages à des valeurs inférieures à 80 ug d'éq. de STX/100 g de coquillages, indépendamment du profil de la toxine ou de la toxicité initiale présente dans le coquillage.

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