OLEIN

n. Ol'e2-i2n. Fr.,oleine. Ger., O. Glyceryl tri oleate; a substance, CaKi(OCl glI33p)a = C^Hj^O,,, forming a constituent of most of the natural liquid fats and oils. It occurs in commerce as a yellow liquid (at 20 C.), thickening at 15 C., and congealing at 5C. It is soluble in 85-per-cent. alcohol and in benzene. [B; "Proc. of the Am. Pharm. A oc.," xxxvii, p. 642 (a, 50).] O. hypophosphite. A compound proposed by C. G. Polk, said to be identical in chemical constituents with the protagon of the brain; made by mixing 24 oz. of olive-oil, 6 oz. of lard-oil, and 2 oz. of beef extract, heating, saturating with phosphorus, and then slowly introducing dry oxygen until the phosphorus is entirely oxidized. Two oz. of this preparation may be added to 14 oz. of cod-liver oil, and used in pulmonary tuberculosis. [" Proc. of the Am. Pharm. A oc.," xxv, p. 283 (a, 50).] O's aure (Ger.). Oleic acid. O's ulphuric acid. A substance obtained by Fremy in an impure state by di olving oleic acid in concentrated sulphuric acid. [B, 3 (a, 38).] Trior. See O. [s. 135]