Method for enzymatic synthesis of sucrose esters

Details Method for enzymatic synthesis of sucrose esters Method for enzymatic synthesis of sucrose esters

C - Chemistry, Metallurgy

12

P

C12P 19/44 (2006.01) C12P 7/64 (2006.01) C12P 19/02 (2006.01)

Patent

CA 2295593

The invention concerns a method for the enzymatic synthesis of sucrose esters, characterised in that it consists in introducing, in an adapted reactor and so as to form a reaction medium, predetermined amounts of an organic solvent, a sugar or a sugar derivative, a compound donor of acyl groups and an enzymatic catalyst, the amount of at least one constituent of the reaction mixture being deficient, in controlled addition during the reaction of additional amounts of the deficient constituent(s), and finally, in purifying the resulting sucrose esters at least by separating the enzymatic particles from the solvent.

La présente invention a pour objet un procédé de synthèse enzymatique de sucroesters. Procédé caractérisé en ce qu'il consiste à introduire, dans un réacteur adapté et de manière à former un milieu réactionnel, des quantités déterminées d'un solvant organique, d'un sucre ou d'un dérivé de sucre, d'un composé donneur d'acyles et d'un catalyseur enzymatique, la quantité d'au moins un des constituants dudit milieu réactionnel étant déficitaire, à ajouter de manière contrôlée au cours de la réaction des quantités supplémentaires du ou des constituant(s) déficitaire(s) et, enfin, à purifier les sucroesters produits au moins par séparation des particules enzymatiques et du solvant.

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