C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 19/14 (2006.01) C08B 30/12 (2006.01) C12S 3/12 (2006.01)
Patent
CA 2222571
According to the invention a method is provided for liquefying starch comprising the steps of adding a sodium composition to the starch prior to or simultaneously with liquefying the starch; adding .alpha.- amylase to the treated starch; and reacting the treated starch for a time and at a temperature effective to liquefy the treated starch. Preferred sodium compositions comprise sodium chloride, sodium bicarbonate, sodium benzoate, sodium sulfate, sodium bisulfite, sodium ascorbate, sodium acetate, sodium nitrate, sodium tartrate, sodium tetraborate, sodium propionate, sodium citrate, sodium succinate, monosodium glutamate, trisodium citrate, sodium phosphate or a mixture thereof.
L'invention concerne un procédé de liquéfaction de l'amidon, qui consiste à ajouter une composition au sodium à l'amidon avant ou pendant la liquéfaction de ce dernier; à ajouter de la alpha -amylase à l'amidon traité; et à faire réagir l'amidon traité pendant un certain temps et à une température efficace pour liquéfier ce dernier. Les compositions de sodium préférées comprennent le chlorure de sodium, le bicarbonate de sodium, le benzoate de sodium, le bisulfure de sodium, le sulfate de sodium, l'ascorbate de sodium, l'acétate de sodium, le nitrate de sodium, le tartrate de sodium, le tétraborate de sodium, le propionate de sodium, le citrate de sodium, le succinate de sodium, le glutamate de monosodium, le citrate de trisodium, le phosphate de sodium ou un mélange de ceux-ci;
Mitchinson Colin
Solheim Leif P.
Danisco Us Inc.
Genencor International Inc.
Gowling Lafleur Henderson Llp
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