Enzyme-resistant starch and method for its production
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United States of America Patent
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Mar 13, 2007
Grant Date -
Apr 13, 2006
app pub date -
Oct 8, 2004
filing date -
Oct 8, 2004
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Abstract
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.degree. C. for about 0.1 3.0 hours. The feed composition is cooled to a temperature between about 4 70.degree. 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.degree. C. for about 0.1 10.0 hours. The starch is separated from the majority of the water and alcohol and is dried.
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