Preparation of canola protein isolate and use in aquaculture
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United States of America Patent
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Oct 15, 2013
Grant Date -
Jul 10, 2008
app pub date -
Feb 17, 2005
filing date -
Feb 17, 2004
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Abstract
A canola protein isolate useful in aquaculture is formed by a procedure in which canola oil seed meal is extracted to cause solubilization of protein in the canola oil seed meal to form an aqueous protein solution having a protein content of about 5 to about 40 g/L and a pH of about 5 to about 6.8. After separation of the aqueous protein solution from the residual canola oil seed meal, the protein concentration is increased to at least about 50 g/L while maintaining the ionic strength substantially constant by using a selective membrane technique. The concentrated protein solution is dried to provide a canola protein isolate having a protein content of at least about 90 wt % (N×6.25) d.b.
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