Compositions and methods for enzymatic decolorization of...

C - Chemistry – Metallurgy – 07 – H

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C07H 21/04 (2006.01) C12N 9/06 (2006.01)

Patent

CA 2570872

The invention provides compositions and methods for the enzymatic treatment (~bleaching~ or ~de-colorizing~) of chlorophyll-comprising compositions, e.g., algae preparations, chlorophyll-containing or chlorophyll~-contaminated feeds, foods or oils, for example, vegetable oils, including oils processed from oilseeds, such as canola (rapeseed) oil or soybean oil, or oil fruits, such as palm oil. In one aspect, the invention provides methods using a chlorophyllase enzyme for the enzymatic hydrolysis of chlorophyll in an algae, an animal (e.g., a fish) or plant preparation, a food or an oil. In one aspect, the chlorophyllase is immobilized onto a silica. The invention also provides compositions of manufacture and detergents.

La présente invention a trait à des compositions et des procédés pour le traitement (blanchiment ou décoloration) enzymatique de compositions à base de chlorophylle, par exemple, des préparations d'algues, des aliments pour animaux contenant de la chlorophylle ou contaminés par la chlorophylle, des aliments ou huiles, telles que des huiles végétales, comprenant des huiles obtenus à partir d'oléagineux, telles que l'huile de colza ou l'huile de soja, ou des fruits oléagineux, tels que l'huile de palme. Dans un mode de réalisation, l'invention a trait à des procédés mettant en oeuvre une enzyme chlorophyllase pour l'hydrolyse enzymatique de la chlorophylle dans une préparation à base d'algues, d'animaux (par exemple, de poissons) ou de plantes, un aliment ou une huile. Dans un mode de réalisation, la chlorophyllase est immobilisée sur une silice. La présente invention a également trait à des compositions de fabrication et des détergents.

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