Method of treating and processing alkaloid-,oil-,and...

A - Human Necessities – 23 – L

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A23L 1/211 (2006.01) A23J 1/14 (2006.01) A23L 1/20 (2006.01)

Patent

CA 2364040

The invention relates to a method for treating and processing lupine seeds containing alkaloid, oil and protein in order to extract products from the lupine seeds using targeted fractionation, whereby the comminuted lupine seed is deoiled by introducing a solvent and, by adding acid, the residue is removed from substances, preferably alkaloids, which are soluble in the acid. The invention is characterized in that the lupine seeds are comminuted into small discoid flakes and/or shaped in such a way that the comminution of the plant seeds is carried out after the seed which is decorticated or not decorticated and which contains the plant seeds has been subjected to a precrushing using a cooled flocculating roller. In addition, the lupine seeds are heated by the indirect input of heat which ensues, to a large extent, without the use of water. After deoiling, the removal of substances, preferably alkaloids, which are soluble in the acid is effected by an aqueous extraction, whereby an alkaloid-reduced raffinate and an aqueous extract are obtained.

L'invention concerne un procédé permettant de préparer et de traiter des graines de lupins à base d'alcaloïdes, d'huiles et de protéines, pour extraire des produits des graines de lupins par fractionnement ciblé. Les graines de lupins broyées sont déshuilées par introduction d'un solvant et le résidu est appauvri, sous apport d'acide, des substances solubles dans les acides, de préférence des alcaloïdes. L'invention se caractérise en ce que les graines de lupins sont broyées et/ou façonnés en flocons en forme de disques, de manière que le broyage des graines végétales s'effectue après préconcassage accompli des semences décortiquées ou non, contenant les graines végétales, à l'aide d'un rouleau de floculation refroidi. Les flocons sont ensuite chauffés par introduction indirecte de chaleur, ce qui exclut dans une large mesure tout apport d'eau. Après déshuilage, les flocons sont appauvris des substances solubles dans l'acide, de préférence des alcaloïdes, par extraction aqueuse, ce qui permet d'obtenir un produit raffiné à teneur réduite en alcaloïdes et un extrait aqueux.

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