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US 10,351,633 B2Granted
Enzymatic synthesis of soluble glucan fiber
AssigneeE. I. Du Pont de Nemours and Company
InventorsQiong Cheng, Robert Dicosimo, Arthur Ouwehand, Zheng You, Mark S. Payne, Jian Ping Lai, Kristin Ruebling-Jass, Steven Cary Rothman
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Abstract
An enzymatically produced soluble α-glucan fiber composition is provided suitable for use as a digestion resistant fiber in food and feed applications. The soluble α-glucan fiber composition can be blended with one or more additional food ingredients to produce fiber-containing compositions. Methods for the production and use of compositions comprising the soluble α-glucan fiber are also provided.
Claims6
A method to produce an alpha-glucan, said method comprising:
- (a) combining at least sucrose and an isolated polypeptide comprising an amino acid sequence having at least 95% identity to SEQ ID NO:10 under suitable aqueous reaction conditions to catalyze synthesis of water-soluble alpha-glucan comprising 100% alpha-1,6 glycosidic linkages, and
- (b) optionally isolating the water-soluble alpha-glucan produced in step (a).
Dependencies are inferred from the claim text.