Process for the fractionation of oilseed press cakes and meals

Details Process for the fractionation of oilseed press cakes and meals Process for the fractionation of oilseed press cakes and meals

A - Human Necessities

23

J

A23J 1/14 (2006.01) C13B 10/00 (2011.01) A23D 7/005 (2006.01) A23D 7/02 (2006.01) A23J 3/14 (2006.01) A23K 1/14 (2006.01) A23K 1/16 (2006.01) A23K 1/165 (2006.01) A23L 1/211 (2006.01) A23L 1/29 (2006.01) A23L 1/305 (2006.01)

Patent

CA 2462538

A process for the fractionation of oilseed cakes and meals (e.g. rapeseed cake, soybean meal, and cottonseed cake) is disclosed. This invention describes a fractionation process, in which the said cake or meal is subjected to enzymatic treatment with polysaccharidases with intermittent wet milling, followed by heat treatment to facilitate separation of insoluble from soluble phase by centrifugal forces. Sequential centrifugation and ultrafiltration steps are carried out in order to yield a fibre-rich fraction, at least three protein-rich fractions, in the case of oilseed cakes at least one emulsified oil fraction, a sugar-rich fraction, and a phytate-rich fraction. This invention also describes the use of the above-mentioned fractions in food, feed, nutraceutical and pharmaceutical applications.

L'invention concerne un procédé de production de tourteaux et d'aliments de graines oléagineuses (notamment tourteaux de colza, aliments de graines de soja et tourteaux de graines de coton). L'invention décrit un procédé de fractionnement selon lequel ce tourteau ou cet aliment est soumis d'abord à un traitement enzymatique avec des polysaccharidases par concassage humide intermittent puis à un traitement thermique permettant de faciliter la séparation de la phase insoluble et de la phase soluble par des forces centrifuges. On réalise ensuite des opérations de centrifugation et d'ultrafiltration pour obtenir une fraction riche en fibres, au moins trois fractions riches en protéines, dans le cas de tourteaux de graines oléagineuses au moins une fraction d'huile émulsionnée, une fraction riche en sucre et une fraction riche en phytates. L'invention concerne également l'utilisation des fractions susmentionnées dans les produits alimentaires des hommes et des animaux et dans les applications nutraceutiques et pharmaceutiques.

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