Hydrophobic starch derivatives

Details Hydrophobic starch derivatives Hydrophobic starch derivatives

C - Chemistry, Metallurgy

08

B

C08B 35/00 (2006.01) C08L 3/14 (2006.01)

Patent

CA 2359078

The invention relates to a process for preparing a hydrophobic starch, comprising etherification, esterification or amidation of a root or tuber starch comprising at least 95 wt.% of amylopectin, based on dry substance of the starch, or a derivative thereof, with a substituent comprising an alkyl chain having from 4-24 carbon atoms. The invention further relates to a hydrophobic starch obtainable by said process.

L'invention concerne un procédé servant à préparer un amidon hydrophobe, ce qui consiste à effectuer l'étherification, l'estérification ou l'amidation d'un amidon tiré d'une racine ou d'un tubercule et contenant au moins 95 % en poids d'amylopectine sur la base de la substance sèche de l'amidon, ou d'un de ses dérivés, avec un substituant comprenant une chaîne alkyle possédant 4-24 atomes de carbone. Elle concerne, de plus, un amidon hydrophobe qu'on peut obtenir au moyen de ce procédé.

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