Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Plant proteins – e.g. – derived from legumes – algae or...
Patent
1996-01-31
1998-12-01
Schain, Howard E.
Chemistry: natural resins or derivatives; peptides or proteins;
Proteins, i.e., more than 100 amino acid residues
Plant proteins, e.g., derived from legumes, algae or...
530378, A23J 114
Patent
active
058440860
ABSTRACT:
Protein isolates having a high protein content and low residual fat content are provided in substantially non-denatured form by extracting an oil seed meal having a significant fat content, particularly canola meal, with an aqueous food grade salt solution to cause solubilization of protein and fat in the oil seed meal and form an aqueous protein solution. Following separation of this solution from the residual oil seed meal, fat is removed from the aqueous protein solution by chilling the aqueous protein solution and removing the fat which separates. The protein concentration of the defatted protein solution is increased while the ionic strength is maintained substantially constant. A further fat removal operation may be carried out on the concentrated protein solution followed by dilution to an ionic strength below about 0.2 to cause the formation of discrete protein particles in the aqueous phase in the form of protein micelles. These protein micelles are settled to form a mass of protein isolate in the form of an amorphous, sticky gelatinous, gluten-like protein micellar mass, which is separated from supernatant and dried to a proteinaceous powder.
REFERENCES:
patent: 4208323 (1980-06-01), Murray et al.
Schain Howard E.
Stilts Corporation
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