Corn oil and protein extraction method

Details Corn oil and protein extraction method Corn oil and protein extraction method

C - Chemistry, Metallurgy

07

K

C07K 1/14 (2006.01) A23J 1/14 (2006.01) C07K 1/34 (2006.01) C07K 14/415 (2006.01) C11B 1/10 (2006.01)

Patent

CA 2373519

The invention is a corn product removal process that sucessfully extracts oil and zein from dry-milled corn. Oils and zein are extracted from corn using ethanol (16, 16a, 16b). Corn solids are separated from the ethanol, oil and zein mixture produced in the step of extracting (18, 18a, 18b). Thereafter, the ethanol, oil and zein mixture are membrane filtered to restrain zein from the mixture and pass an oil and ethanol mixture (26, 27, 27b). At least one of zein or oil is then selected to be separated for an output corn product.

L'invention concerne un procédé d'enlèvement de produit de maïs qui permet d'extraire avec succès l'huile et la zéine du maïs broyé à sec. Les huiles et la zéine sont extraites du maïs à l'aide de l'éthanol (16, 16a, 16b). Les matières solides du maïs sont séparées de l'éthanol, de l'huile et du mélange de la zéine lors de l'étape d'extraction (18, 18a, 18b). Ensuite, l'éthanol, l'huile et le mélange de la zéine sont filtrés sur membrane afin de bloquer la zéine du mélange et passer un mélange d'huile et d'éthanol (26, 27, 27b). Au moins une zéine ou huile est ensuite choisie en vue de sa séparation en tant que produit de sortie de maïs.

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