6. (De-narcotised; Extractum opii absque narcotina, L.—a. (P. Cod.) The aqueous extract is reduced with hot water to the consistence of a syrup, and when cold this is mixed with 8 times its volume of ether, and the whole is frequently shaken for a day or two; the ethereal solution is then decanted, and the process repeated with fresh ether, as long as it dissolves anything. The original form of Robiquet is similar. Said to consist entirely of impure MURIATE OF MORPHINE, GUM, and EXTRACTIVE.
b. (M. Lamousin-Lamothe.) Aqueous extract, 4 parts; resin, 1 part; beat well together; add boiling water, 16 parts; boil to one half; add cold water, 8 parts, filter, and evaporate.
7. (By fermentation; Extractum opii per fermentationem, L.)—a. Opium and sugar, of each 4 oz.; water, 1 quart; rub together, and keep the mixture, loosely covered, in a warm situation (about 70° Fahr.), for 10 days or more; then add of cold water, 1 quart, and the next day filter and evaporate.
b. (Duyeux.) From an unstrained mixture of opium, 1 part, with water, 8 parts, and a little yeast; left for a week at a temperature of 68° to 77° Fahr., and then diluted, filtered, and evaporated. Some parties have recommended quince juice as the menstruum.
8. (Roasted; Extractum opii torrefacti, L.—Guibourt.) Powdered opium is heated on a flat dish over a moderate fire, with constant stirring, as long as fumes are given off; it is then exhausted by treating it twice with 6 times its weight of water, and the mixed liquor, after filtration, is evaporated.
9. (Vinous; Extractum opii vino paratum, L.—P. Cod.) From wine of opium. The above extracts of opium (excepting the alcoholic) are regarded as less exciting than the other preparations of the drug. The dose of
each is similar to that of the aqueous extract.
Extract of Or′ange Peel. Syn. Extractum corticis aurantii, L. Prep. 1. From the thin yellow peel, as EXTRACT OF MADDER.
2. See Aurantii.
Extract of Ox-gall. Syn. Inspissated ox-gall; Extractum fellis bovini, L. Prep. 1. (P. Cod.) From ox-gall, strained, and evaporated in a water bath.—Dose, 5 to 15 gr.; in pills.