C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 19/14 (2006.01) C08B 37/00 (2006.01) C12P 19/04 (2006.01)
Patent
CA 2345606
A method is described for obtaining dextrin-enriched and beta-glucan-enriched fractions from barley flour. In particular, barley flour is mixed or ground in about 60% ethanol at boiling temperature, then dextrinized by addition of thermostable alpha- amylase into the aqueous ethanol and relaxing at boiling temperature. The dextrinized mixture is filtered such that beta-glucan is retained on the filter and dextrin is in the filtrate. To increase the purity of the beta-glucan to at least > 45% db and to increase the dextrin yield, the beta-glucan residue is resuspended in 60% ethanol and treated a second time with alpha amylase and filtered as previously noted. After alcohol is evaporated from the combined filtrates, the dextrin is spray dried into a powder.
Temelli Feral
Vasanthan Thava
Bennett Jones Llp
The Governors Of The University Of Alberta
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