Pregelatinized chemically modified resistant starch products...

C - Chemistry – Metallurgy – 08 – B

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C08B 31/00 (2006.01) A21D 2/18 (2006.01) A23L 1/0522 (2006.01) C08B 31/18 (2006.01)

Patent

CA 2598089

Pregelatinized forms of chemically modified resistant starches are provided which have a high degree of resistance to .alpha.-amylase digestion, fat-like texture and outstanding freeze-thaw stability. The starch products are formed as distarch phosphodiesters that undergo melting of the crystalline phase by heating above their gelatinization temperature. The products maintain a granular morphology that produces a smooth texture. The pregelatinized resistant starches may be used in various food products, where they lend high dietary fiber, low fat and/or low calorie characteristics to the product.

L'invention concerne des formes prégélatinisées d'amidons chimiquement modifiés résistants lesquelles ont un degré élevé de résistance à la digestion par des .alpha.-amylases, une texture ressemblant à celle de la graisse et une remarquable stabilité vis-à-vis des cycles de gel-dégel. Les produits de l'amidon sont produits sous forme de phosphodiesters de diamidon qui subissent une fusion de la phase cristalline en les chauffant à une température supérieure à leur température de gélatinisation. Les produits conservent une morphologie granulaire qui produit une texture lisse. On peut utiliser les amidons prégélatinisés résistants dans différents produits alimentaires, où ils confèrent au produit des caractéristiques de teneur en fibres alimentaires élevée, de faible teneur en matière grasse et/ou hypocaloriques.

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