C - Chemistry – Metallurgy – 11 – B
Patent
C - Chemistry, Metallurgy
11
B
C11B 3/00 (2006.01) C11B 1/10 (2006.01) C11B 7/00 (2006.01) C11B 11/00 (2006.01) C11B 13/00 (2006.01)
Patent
CA 2395559
The invention concerns a method for extracting and fractionating fats contained in a raw material, characterised in that it comprises at least a step which consists in using an extraction solvent consisting of at least a hydrofluoroether of general formula (I): CnF 2n+1 O Cm H2m+1, wherein: n ranges between 3 and 6 and m ranges between 1 and 5 and at least a separation step enabling to obtain a raw extract of fats rich in unsaponifiable substances and optionally, in free fatty acids and a insoluble extraction fraction.
L'invention concerne un procédé d'extraction et de fractionnement de matière grasse contenue dans une matière première, caractérisé en ce qu'il comprend au moins une étape d'extraction mettant en oeuvre un solvant d'extraction constitué par au moins un hydrofluroéther de formule générale (I): C¿n?F ¿2n+1? O C¿m?H ¿2m+1? dans laquelle, n est compris entre 3 et 6 et m est compris entre 1 et 5 et au moins une étape de séparation conduisant à l'obtention d'une part d'un extrait brut de matière grasse riche en substances insaponifiables et, éventuellement, en acides gras libres et d'autre part à une fraction insoluble d'extraction.
Lemaire Benoit
Mompon Bernard
Surbled Michel
Swegers Jacques
Extractive
Oyen Wiggs Green & Mutala
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