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US 8,541,046 B2Granted
Process for the preparation of a canola protein isolate
AssigneeBurcon Nutrascience (MB) Corp.
InventorsMartin Schweizer, Brent E. Green, Kevin I. Segall, Randy Willardsen
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Abstract
A novel canola protein isolate of predominantly 2S canola protein and having improved solubility properties, has an increased proportion of 2S canola protein and a decreased proportion of 7S canola protein. The novel canola protein isolate is formed by heat treatment of aqueous supernatant from canola protein micelle formation and precipitation, to effect precipitation of 7S protein which is sedimented and removed.
Claims13
A process for the preparation of a canola protein isolate having an increased proportion of 2S canola protein, which comprises:
- (a) providing an aqueous solution of 2S and 7S proteins consisting predominantly of 2S protein,
- (b) heat treating the aqueous solution to cause precipitation of 7S canola protein,
- (c) removing precipitated 7S protein from the aqueous solution, and
- (d) recovering a canola protein isolate having a protein content of at least about 90 wt % (N×6.25) d.b. and having an increased proportion of 2S canola protein.
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