Patent ID: 8735615

Claim:
Process for extraction of an unsaponifiable fraction of a renewable raw material that is selected from among oil-producing fruits, oleaginous seeds, oleoproteaginous seeds, seed husks, oleaginous almonds, sprouts, pits and cuticles of fruits, and lipid-rich animal, algal, fungal or yeast raw materials, characterized in that it comprises the following stages: a) Dehydration and packaging of the renewable raw material, not leading to any extraction of fat, b) Reactive trituration of the packaged lipidic raw material in the presence of a light alcohol and a catalyst, in such a way as to recover, on the one hand, a liquid phase, and, on the other hand, a solvent-containing meal, c) Evaporation of light alcohol from the liquid phase, d) Concentration of the liquid phase so as to obtain a concentrate that comprises the dilute unsaponifiable fraction in fatty acid alkyl esters, e) Saponification of unsaponifiable concentrate, f) Extraction of the unsaponifiable fraction from the saponified mixture.