spirit, until 4 pints have passed through; filter, evaporate to 20 fl. oz., and add carbonate of potassa, 1 oz.; next add oils of caraway and aniseed, of each 1⁄2 dr.; (previously triturated with) powdered sugar, 24 oz.; lastly, apply a gentle heat to dissolve the sugar.
c. (Extractum spigeliæ et sennæ fluidum—Ph. U. S.) As the last (nearly).—Dose. As above. All the above preparations of pinkroot are regarded as powerful and certain anthelmintics; particularly the last two.
Extract of Pipsis′sewa. See Extract of Winter-green.
Extract of Poi′son Oak. Syn. Extractum rhois toxicodendri, L. Prep. (P. Cod.) From the expressed juice of the leaves of Rhus toxicodendron. Narcotic, stimulant, and alterative.—Dose, 1⁄2 gr. to 1 gr., gradually increased; in chronic rheumatism, obstinate skin diseases, &c.
Extract of Pomegran′ate. Syn. Extractum granati, L. Prep. 1. (Soubeiran, & P. Cod.) From the root-bark of pomegranate, as EXTRACT OF BOX. In tapeworm.—Dose, 10 to 20 gr.; followed by a purgative.
2. (E. g. corticis fructus, L.) From the decoction of the fruit-rind. As the last.
Extract of Pop′pies. Syn. Extractum papaveris (B. P.), E. p. albi, L. Prep. 1. (B. P.) Capsules coarsely powdered, 16; rectified spirit, 2; distilled water, a sufficiency; mix the poppy capsules with 40 of the water, stirring them frequently during 24 hours; then pack in a percolator, and pass water slowly through them until about 160 have passed through; evaporate the liquor by a water bath to 20; when cold, add the spirit. After 24 hours filter the liquor, and evaporate to a pilular consistence.—Dose, 2 or 5 grains.
2. (Ph. L.) Bruised poppy-heads (without the seeds), 15 oz.; boiled distilled water, 1 gall.; macerate 24 hours, boil to one half, strain, and complete the evaporation.
3. (Ph. E.) As the last, with “capsules not quite ripe.”
Obs. The medical action of extract of poppies, for the most part, resembles that of opium; but it is considerably weaker, and is generally regarded as less prone to produce headache and delirium.—Dose, 2 to 12 gr. It is usually prepared by the large manufacturers, by exhausting the capsules, by coction with water; hence the inferior quality of the extract of the shops, which contains a considerable quantity of inert matter.