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AssigneeNovozymes A/S
InventorsKirk Matthew Schnorr, Eduardo A. Borges da Silva, Miguel D.G.P. Toscano, Smitha Prabhakar
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The present invention relates to methods for decolorizing a sugar solution obtained from sugar crops, wherein the solution is treated enzymatically with an oxidoreductase resulting in a decrease in color and/or turbidity of the solution. Also described are methods for decolorizing fruit juice solutions using oxidoreductases. Specifically, glucose oxidase, carbohydrate oxidases, glucose dehydrogenase, cellobiose dehydrogenase and glucooligosaccharide oxidase are described. At least action of glucose oxidase results in the formation of a coloured precipitate, which may be removed by filtration or centrifugation.
A method for decolorizing a sugar solution obtained from sugar crops, wherein the solution is treated enzymatically with a glucose oxidase (EC 1.1.3.4), carbohydrate oxidases (EC 1.1.3) or a dehydrogenase resulting in a decrease in color and/or turbidity of the solution.
A method for decolorizing a fruit juice or fruit juice concentrate, wherein the fruit juice or fruit juice concentrate is treated enzymatically with glucose oxidase (EC 1.1.3.4), or other suitable carbohydrate oxidases (EC 1.1.3) resulting in a decrease in color of the fruit juice or fruit juice concentrate.
A method for preventing color formation during cold storage of fruit juice concentrate, wherein the fruit juice concentrate is treated enzymatically with glucose oxidase (EC 1.1.3.4), or other suitable carbohydrate oxidases (EC 1.1.3).
Dependencies are inferred from the claim text.