Preparation of protein isolates from safflower seeds
AssigneeThe United States of America as represented by the Secretary of Agriculture
InventorAntoinette A. Betschart
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Abstract
Protein isolates with improved properties are prepared from safflower seeds by applying to the seeds the following steps: (a) pressing the seeds to remove oil therefrom, (b) extracting the press-cake with hexane at 20.degree.-30.degree. C. to remove residual oil, (c) drying the so-extracted press-cake 20.degree.-30.degree. C., (d) treating the press-cake with aqueous alkali at pH 8-10, (e) separating a juice from the press cake and acidifying the juice of pH 6.0, and (f) separating a protein isolate from the juice and washing and drying it.
Claims4
A process for preparing a protein isolate from safflower seeds, which comprises the steps of
- a. pressing the seeds to remove oil and to form a press-cake,
- b. extracting the press-cake with hexane at 20.degree.-30.degree. C. to remove residual oil,
- c. separating the press-cake from the hexane,
- d. drying the press-cake at 20.degree.-30.degree. C.,
- e. applying an aqueous alkalizer to the press-cake at a pH of 8 to 10,
- f. separating a juice containing soluble proteins therefrom,
- g. acidifying the juice to pH 6.0 to precipitate a protein isolate,
- h. separating the protein isolate therefrom, and
- i. washing the protein isolate with water at pH 6.0 and drying it.
Dependencies are inferred from the claim text.