8Froning G, Wehling R, Cuppett S, et al. Extraction of cholesterol and other lipids from dried egg yolk using supercritical carbondioxide[J]. J Food Sci, 1990, 55(1):95-98.
9Miranda J, Partal P, Cordobes F, et al. Rheological characterization of egg yolk processed by spray-drying and lipid-cholesterol extraction with carbon dioxide[J]. Journal of the American oil chemists society, 2002,79(2):183-190.
10Larsen J E, Froning G W. Extraction and processing of various components from egg yolk[J].Poultry Sci, 1981,60( 1 ): 160-167.