C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 30/12 (2006.01)
Patent
CA 2727888
A process for producing an enzyme-resistant starch uses an aqueous feed composition that comprises (i) starch that contains at least about 50% by weight amylose, (ii) water, and (iii) alcohol. The concentration of starch in the feed composition is between about 5% and about 50% by weight, and the pH of the feed composition is between about 3.5 and about 6.5. In a first heating step, the feed composition is heated to a temperature between about 130-170°C for about 0.1 - 3.0 hours. The feed composition is cooled to a temperature between about 4-70°C for about 0.1-6.0 hours. In a second heating step, the feed composition is heated to a temperature between about 110-150°C for about 0.1-10.0 hours. The starch is separated from the majority of the water and alcohol and is dried.
Eilers Thomas A.
Harris Donald W.
Marion Eric A.
Richmond Patricia A.
Stanley Keith D. (deseased)
Osler Hoskin & Harcourt Llp
Tate & Lyle Ingredients Americas Inc.
Tate & Lyle Ingredients Americas Llc
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