Enzymatic oxidation process

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 3/386 (2006.01) C11D 3/37 (2006.01) C11D 3/39 (2006.01)

Patent

CA 2270339

There is provided an enzymatic oxidation process wherein a substance which is to be oxidised is reacted with (a) an enzyme exhibiting peroxidase activity and a source of hydrogen peroxide or an enzymes exhibiting oxidase activity on phenolic compounds and (b) a compound which enhances the oxidation activity of the enzyme, characterized in that the compound specifically binds the substance which is to be oxidized. Furthermore, there is provided an enzymatic stain bleaching or anti dye-transfer composition comprising: a) an enzyme exhibiting peroxidase activity and a source of hydrogen peroxide or an enzyme exhibiting oxidase activity on phenolic compounds and (b) a compound which enhances the oxidation activity of the enzyme and which is capable of binding selectively to a stain chromophore or textile dye in solution.

L'invention concerne un procédé d'oxydation enzymatique dans lequel une substance à oxyder est mise en réaction avec a) une enzyme ayant une activité péroxydase et une source de péroxyde d'hydrogène ou une enzyme ayant une activité oxydase sur des composés phénoliques; et b) un composé qui augmente l'activité d'oxydation de l'enzyme et se caractérise par le fait qu'il se fixe plus particulièrement sur la substance à oxyder. L'invention concerne en outre une composition enzymatique destinée à éliminer des taches ou à empêcher un transfert décolorant et comprenant a) une enzyme ayant une activité péroxydase et une source de péroxyde d'hydrogène ou une enzyme ayant une activité oxydase sur des composés phénoliques; et b) un composé qui augmente l'activité d'oxydation de l'enzyme et peut se lier sélectivement à un chromophore de taches ou à colorant de textile en solution.

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