Reduced polydextrose

C - Chemistry – Metallurgy – 08 – B

Patent

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Details

C08B 37/00 (2006.01) A23L 1/236 (2006.01) A23L 1/308 (2006.01)

Patent

CA 2101333

A polydextrose having improved color, flavor and decreased reactivity toward food ingredients having amine functionality. The polydextrose comprises a water-soluble highly branched polydextrose having been prepared by a process which comprises melting dextrose in the presence of a food-acceptable acid catalyst. The improved polydextrose of this invention has substantially no reducing glucose groups. Another aspect of this invention is directed to a method of making the above-described improved polydextrose which comprises exposing unimproved polydextrose to an environment capable of chemically transforming the reducing glucose groups contained in the unimproved polydextrose, thereby substantially eliminating their reducing properties. An improved polymaltose prepared by heating maltose in the presence of a food-acceptable acid catalyst and chemically transforming the reducing glucose groups contained in the polymaltose, thereby eliminating their reducing properties, is also described.

Polydextrose possédant une couleur et un goût améliorés, avec une réactivité moindre vis-à-vis des ingrédients alimentaires aminés. Le polydextrose est à base d'un polydextrose hydrosoluble, hautement ramifié, préparé par fusion de dextrose en présence d'un catalyseur acide de qualité alimentaire. Le polydextrose amélioré de l'invention ne renferme pratiquement pas de groupes glucose réducteurs. L'invention porte également sur une méthode permettant de préparer le polydextrose décrit ci-dessus, et consistant à exposer un polydextrose non amélioré à un milieu apte à transformer chimiquement les groupes glucose réducteurs contenus dans ce polydextrose, ce qui élimine pratiquement leurs propriétés réductrices. Enfin, l'invention décrit un polymaltose amélioré, préparé par chauffage de maltose en présence d'un catalyseur acide de qualité alimentaire et transformation chimique des groupes de glucose réducteurs du polymaltose, avec élimination de leurs propriétés réductrices.

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