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
1998-04-13
1999-11-30
Woodward, Michael P.
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...
530370, 530350, 530412, 530418, 530420, 530427, 426433, 426434, 426598, A23J 114, A23L 238
Patent
active
059945087
ABSTRACT:
A process for providing an isoflavone rich protein isolate is provided, along with the isoflavone rich protein isolate produced thereby. A vegetable material containing protein and at least one isoflavone compound is extracted with an aqueous extractant having a neutral pH. The protein and isoflavones are extracted into the extractant, and the extractant containing the protein and isoflavones is separated from insoluble vegetable materials to form a protein extract. The pH of the protein extract is adjusted to about the isoelectric point of the protein to precipitate the protein. The extract containing the precipitated protein is cooled to a temperature of from about 40.degree. F. to about 80.degree. F., and then the protein is separated from the extract. The cool separation temperatures unexpectedly significantly increase the concentration of isoflavones recovered in the separated protein, while the neutral extract pH inhibits loss of protein normally observed at cool or cold separation temperatures.
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Bryan Barbara A.
Guevara Balagtas F.
Mohamed Abdel A.
Protein Technologies International, Inc.
Taylor Richard B.
Woodward Michael P.
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