C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 31/18 (2006.01)
Patent
CA 2634370
A starch thinning and etherif ication process is provided comprising the steps of (a) mixing a starch substrate with a thinning agent, an alkalizing agent and an etherif ication agent; (b) drying the mixture of step (a); and (c) allowing the dried mixture to react with the etherif ication agent, wherein: the thinning agent consists of one or more hypochlorites; step (a) is carried out at an alkaline pH and does not involve any artificial heating; and step (b) is carried out before the mixture of step (a) reaches the starch substrate's gelatinisation temperature.
L'invention un procédé de fluification et d'éthérification d'amidon consistant (a) à mélanger un substrat d'amidon avec un agent fluidifiant, un agent alcalifiant et un agent d'éthérification, (b) à sécher le mélange de l'étape (a), et (c) à permettre au mélange séché de réagir avec l'agent d'éthérification, l'agent fluidifiant étant constitué d'un ou plusieurs hypochlorites, l'étape (a) étant réalisée à un pH alcalin et ne requérant aucun chauffage artificiel, et l'étape (b) étant réalisée avant que le mélange de l'étape (b) atteigne la température de gélatinisation du substrat d'amidon.
Berckmans Marc Charles Florent
Sivasligil Dogan Sahin
Cargill Incorporated
Ridout & Maybee Llp
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