Method for fractionating a raw material consisting of several constituents usinga supercritical pressure solvent

摘要

The invention concerns a method for fractionating a synthetic or natural material consisting of several constituents and containing at least an amphiphilic constituent. The invention is characterised in that said fractionating is carried out by means of a supercritical pressure solvent by dispersion of said material inside an insoluble or hardly soluble liquid in the supercritical pressure solvent. The inventive method is advantageously carried out for a mixture of lipids such as, for example an oil extracted from a cereal.