| abstract |
Process of solid / liquid extraction of a natural extract contained in at least one plant solid matter or a microorganism comprising at least the following steps: - solid / liquid extraction of at least one plant solid matter or of a microorganism by means of a first solvent system comprising a solvent content selected from among the solvents comprising between 5 and 8 carbon atoms and one or two oxygen atoms in the form of either an ether function, or a ketone function, or an ester function , of at least 50% by volume with respect to the total volume of the first solvent system, said solvents being selected from among the methyl ketones, in particular methyl isobutyl ketone (MIBK), 2-heptanone, propionates, in particular the propionate of ethyl, n-butyl propionate, isoamyl propionate, propyl ethers, in particular diisopropyl ether (DIPE), and mixtures thereof, - recover ation of the natural extract comprising oil or butter, in particular enriched in unsaponifiable. |