Process for extraction of β-glucan from cereals and...

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

Reexamination Certificate

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C536S124000, C536S127000, C536S128000, C536S123100, C536S023600, C127S034000, C424S195110, C424S750000, C424S094620, C424S078310, C426S028000, C426S518000, C426S573000, C426S094000, C426S018000, C426S590000, C510S392000, C800S284000

Reexamination Certificate

active

07138519

ABSTRACT:
A process for obtaining β-glucan from cereal grain, such as barley and oats. A β-glucan product obtained by the process. Uses of the β-glucan product as a food ingredient and for treating various diseases or disorders. The process includes the steps of forming flour from the cereal grain, mixing the flour with water to form a slurry of a process for obtaining β-glucan from cereal grain including forming flour from the cereal grain, mixing the flour with water to form a slurry of an aqueous solution of β-glucan and a solid residue, separating the aqueous solution from the solid residue, and removing water from the aqueous solution by evaporation or ultrafiltration or combinations thereof to form a β-glucan containing gel or solid.

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Luc Saulnier, et al., “Extraction and Partial Characterisation of β-glucan from the Endosperms of two Barley Cultivars”,Journal of Cereal Science, vol. 19, pp. 171-178 (1994).
Peter J. Wood et al., “Large-Scale Preparation and Properties of Oat Fractions Enriched in (1-3)(1-4)-β-D-Glucan”,American Association of Cereal Chemists, Inc., vol. 66, No. 2, pp. 97-103 (1989).
Morgan et. al, “Glucagel, A Gelling β-Glucan from Barley”,Cereal Chemistry, vol. 75, No. 6, pp. 879-881 (Nov.-Dec. 1998).
Beer, et al., “Extraction of Oat Gum from Oat Bran: Effect of Process on Yield, Molecular Weight Distribution, Viscosity and (1-3)(1-4)-β-D-Glucan Content of the Gum”, Cereal Chemistry, 73(1):58-62, 1996.

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