Emulsio Olei Ricini (N. F.)—Emulsion of Castor Oil.
Related entry: Oleum Ricini (U. S. P.)—Castor Oil
Preparation.—Formulary number, 131: "Castor oil, thirty-two grammes (32 Gm.) [1 oz. av., 56 grs.]; acacia, in fine powder, eight grammes (8 Gm.) [123 grs.]; tincture of vanilla (U. S. P.), two and one-half cubic centimeters (2.5 Cc.) [41♏]; syrup (U. S. P.), twenty cubic centimeters (20 Cc.) [325♏]; water, a sufficient quantity to make one hundred cubic centimeters (100 Cc.) [3 fl℥, 183♏]. Carefully weigh the castor oil and the acacia into a mortar, triturate until well mixed; carefully weigh out twelve grammes (12 Gm.) [185 grs.] of water, and add at once to the mixture of oil and acacia, triturating briskly until a thick, creamy emulsion is produced. To this add gradually, with stirring, a mixture, of the syrup and tincture with a portion of the remaining water, and finally enough water to make one hundred cubic centimeters (100 Cc.) [3 fl℥, 183♏]. The emulsion contains about one-third (1/3) of its volume of castor oil. The flavoring may be varied to suit prescription. It should be freshly prepared as required"—(Nat. Form.).
King's American Dispensatory, 1898, was written by Harvey Wickes Felter, M.D., and John Uri Lloyd, Phr. M., Ph. D.