C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 19/00 (2006.01) C08B 30/04 (2006.01) C08B 37/00 (2006.01)
Patent
CA 2421637
The invention generally relates to a method for fractionating plant material into valuable components including beta-glucan. The method uses an organic solvent and water instead of water alone, acidified water and/or aqueous alkali as a solvent for the slurrying of a grain flour. In addition to concentrating beta-glucan, other product fractions produced by the method include starch concentrate, and organic solvent solubles. If enzyme treatments are used, other product fractions include dextrin, protein hydrolysates and organic solvent solubles. The process is particularly effective in concentrating beta-glucans in a state close to its native form from the endosperm of barley and oat grains.
L'invention concerne généralement une méthode de fractionnement d'un matériel végétal en éléments de valeur comprenant du béta-glucane. La méthode met en oeuvre un solvant organique et de l'eau, plutôt que de l'eau seule, de l'eau acidifiée et/ou de l'eau alcaline en tant que solvant destiné à l'humidification de la farine de grain. Outre la concentration du béta-glucane, d'autres fractions du produit obtenues par la méthode de l'invention comprennent un concentré d'amidon, des solvants orgniques solubles. Dans le cas où des traitements aux enzymes sont mis en oeuvre, d'autres fractions du produit comprennent de la dextrine, des hydrolysats protéiques et des solvants orgniques solubles. La méthode est particulièrement efficace pour concentrer des béta-glucanes dans un état proche de leur forme naturelle, à partir de l'endosperme du grain d'orge ou d'avoine.
Temelli Feral
Vasanthan Thavaratnam
Hicks & Associates
The Governors Of The University Of Alberta
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