2. (EXTRACTUM OPII LIQUIDUM, B. P.; EXTRACT OF OPIUM.) Distilled water,
16; rectified spirit, 4. Digest the extract of opium in the water for an
hour, stirring frequently; filter, and add the spirit. The product should
measure 20.--_Dose_, 10 to 30 minims.
3. (Acetic; EXTRACTUM OPII ACETICUM, L.--Soubeiran.) Opium, 1 oz.;
distilled vinegar, 1 quart; digest 2 days (with heat), decant, filter, and
evaporate.
4. (Alcoholic; EXTRACTUM OPII ALCOHOLICUM, L.--Ph. Antwerp.) From the
tincture.
5. (Aqueo-alcoholic; E. OPII AQUO-ALCOHOLICUM, L.--Taddei.) The opium,
exhausted by spirit, is digested in warm water, and the infusion and
tincture, separately filtered, are mixed and evaporated.
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.