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AssigneeBurcon Nutrascience (MB) Corp.
InventorsKevin Segall, Martin SCHWEIZER, Brent E. GREEN
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The present invention is directed to sunflower protein products, very low in, or free of, beany, green, vegetable or similar flavour notes and useful for the fortification of food and beverage products and prepared without the use of salt in the process. The sunflower protein products of the present invention are obtained by extracting sunflower protein source with water to form an aqueous sunflower solution, at least partially separating the aqueous sunflower protein solution from residual sunflower protein source, adjusting the pH of the aqueous sunflower protein solution to a pH between about 1.5 to about 3.5 to solubilize the bulk of the protein and form an acidified sunflower protein solution then separating the acidified sunflower protein solution from the add insoluble solid material. The acidified sunflower protein solution may be dried following optional concentration and diafiltration to form a sunflower protein product, which may be an isolate. The add insoluble Said material may be washed with acidified water and then dried to form another sunflower protein product. These products may be dried at the acidic pH at which they were prepared or may be adjusted in pH before drying.
A process of producing a sunflower protein product having a protein content selected from the group consisting of at least about 60, at least about 65, at least about 70, at least about 75, at least about 80, at least about 85 or at least about 90 wt % (N×6.25) on a dry weight basis, which process comprises:
A sunflower protein product having a protein content of at least about 60, at least about 65, at least about 70, at least about 75, at least about 80, at least about 85 or at least about 90 wt % (N×6.25) d.b. and which:
A sunflower protein product having a protein content of at least about 60, at least about 65, at least about 70, at least about 75, at least about 80, at least about 85 or at least about 90 wt % (N×6.25) d.b., which has an amino acid profile comprising:
A sunflower protein product having a protein content of at least about 60, at least about 65, at least about 70, at least about 75, at least about 80, at least about 85 or at least about 90 wt % (N×6.25) d.b., which has an amino acid profile comprising:
A sunflower protein product having a protein content of at least about 60, at least about 65, at least about 70, at least about 75, at least about 80, at least about 85 or at least about 90 wt % (N×6.25) d.b., which has a protein solubility at pH 4 of from 50.4 to 90.6%, at pH 5.5 of from 39.7 to 84.8%, and at pH 7 of from 39.1 to 91.5%.
A sunflower protein product having a protein content of at least about 60, at least about 65, at least about 70, at least about 75, at least about 80, at least about 85 or at least about 90 wt % (N×6.25) d.b., which has a protein solubility at pH 4 of from 0.5 to 9.7%, at pH 5.5 of from 2.6 to 7.3%, and at pH 7 of from 10.3 to 14.9%.
Dependencies are inferred from the claim text.