C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 61/00 (2006.01) A23K 1/16 (2006.01) A23K 1/165 (2006.01) A23K 1/18 (2006.01) A23L 1/275 (2006.01)
Patent
CA 2421820
The inventor has found that enzymatic treatment of crustaceans with lipolytic enzymes promotes the extraction of coloured pigment. Accordingly, the invention relates to a method for recovering coloured pigment, e.g. astaxanthin, and/or chitin or chitosan and/or lysolecithins from crustaceans. Lipolytic enzyme(s) may e.g. be lipase or phospholipase. The lipolytic enzyme treated crustacean material may be subjected to additional process steps, including treatment with non-lipolytic enzymes such as e.g. protease. The process of the invention provides several suitable products and several uses of such products. Furthermore, the invention also relates to the cosmetic and consumable products (feed and food (including beverages) products and additives produced therefrom.
Selon l'invention, le traitement enzymatique de crustacés par des enzymes lipolytiques favorise l'extraction de pigment coloré. L'invention concerne donc un procédé permettant de récupérer le pigment coloré des crustacés, par exemple l'astaxanthine, et/ou la chitine ou le chitosane et/ou les lysolécithines. L'enzyme lipolytique peut être la lipase ou phospholipase, par exemple. La matière crustacée traitée avec cette enzyme peut être soumise à d'autres étapes de traitement, y compris le traitement par des enzymes non lipolytiques, telles que la protéase. Le procédé selon l'invention offre plusieurs produits appropriés et plusieurs emplois de tels produits. En outre, l'invention concerne les produits cosmétiques et consommables (pâture et produits alimentaires, y compris des boissons) ainsi que des additifs qui en sont issus.
Dimock Stratton Llp
Novozymes A/s
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