Process for eliminating cholesterol contained in a fatty substance of animal origin and the fatty substance with reduced cholesterol obtained

Process for eliminating cholesterol contained in a fatty substance of animal origin used in human diet of the group consisting of butter, suet and lard, which process comprises putting the liquefied fatty substance into contact with a cyclodextrin, continuing this contact under stirring for 30 minutes to 10 hours at a temperature between the fusion temperature of the fatty substance and 80.degree. C., in such a way as to allow the formation of complexes between the cholesterol and the cyclodextrin, and separating the said complexes by entrainment in water and separation of the aqueous phase.