Solvent extraction process

Details Solvent extraction process Solvent extraction process

B - Operations, Transporting

01

D

B01D 11/02 (2006.01) A01N 63/00 (2006.01) C11B 9/02 (2006.01) A61K 35/78 (2000.01)

Patent

CA 2370894

A process for extracting a compound or composition of matter from a raw material containing that compound or composition as a constituent part is described. The process comprises the steps of (1) contacting the raw material with an extraction solvent comprising a pentafluoropropane so as to extract the compound or composition from the raw material into the solvent, and (2) separating the solvent containing the extracted compound or composition from the raw material. The process is particularly adapted for extracting flavours and fragrances from materials of plant origin.

L'invention concerne un procédé destiné à extraire un composé ou une composition de matière à partir d'une matière brute contenant ce composé ou cette composition en tant que partie constitutive. Le procédé consiste (1) à mettre la matière brute en contact avec un solvant d'extraction comprenant un pentafluoropropane de manière à extraire le composé ou la composition de la matière brute dans le solvant, et (2) à séparer le solvant contenant le composé ou la composition extrait(e) de la matière brute. Ce procédé est notamment adapté à l'extraction de substances aromatiques et odorantes à partir de matières d'origine végétale.

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