unsaturated fatty acids (set): elaidic, myristoleic, vaccenic, erucic, oleic, palmitoleic, arachidonic, alpha-linolenic, gamma-

formula ala lard tallow cholesterol molecular model monounsaturated gammalinolenic epa trans essential omega elaidic fatty diet alphalinolenic oleic atoms 2d cis chemical hydrogenated plasma margarine junk erucic computer membrane molecule eicosapentaenoic acid vaccenic palmitoleic dimensional polyunsaturated unsaturated obesity structural dha linoleic myristoleic compound rancid oil blood food arachidonic structure serum lipid