Patent ID: 6759543
Filing Date: 2004-07-06
Classification: A61K,A61Q

Abstract:
Process for extracting of the unsaponifiable fraction contained in a vegetable oil or of a coproduct of the vegetable oil refining industry, comprising at least:A) a step during which the said oil is converted to an aqueous-alcoholic solution which is a step chosen from the group consisting of saponifications and esterifications, B) a step of extraction of the aqueous-alcoholic solution during which the fatty fraction is separated from the unsaponifiable fraction chosen from the group consisting of liquid-liquid extractions and distillations, C) a step of purification of fraction the unsaponifiable component chosen from the group consisting of crystallizations and liquid-liquid extractions, characterized in that at least one step among the liquid-liquid extractions of step B, the crystallizations of step C or the liquid-liquid extractions of step C is carried out using 1-chlorobutane.