EXTRACT

n. E2x'tra2kt. Lat., extractum (from ex, out, and trahere, to draw). Fr., extrait. Ger., E., Extrakt, Absud. It., estratto. Sp., extracto. A preparation, soft, hard, or dry, obtained by the evaporation of either the natural juice pre ed out of fresh herbs or other parts of plants, or of a solution obtained by treating vegetable or animal substances with a liquid, such as water, alcohol, or ether, which can be evaporated. E's are made by maceration, digestion, or infusion with hot or boiling water, and sometimes by boiling in water with repeated stirring, pre ing the liquid out between strong tin plates, and then evaporating it, generally over a water-bath, to one third or one fourth the original volume, according to the consistence prescribed. Sometimes the evaporation is conducted in vacuo. [B, 95 (a, 14).] Abfiihrendes E. (Ger.). See Extractum COLOCYNTH I DIS compos i tum. Acetic e. Lat., extractum aceticum. Fr., extrait acetique. Sp., extracto acetico. An e. prepared by exhausting the drug with an acetic solution. [L, 41 (a, 21).] Aetherisches E. (Ger.). See OLEO-RESIN. Alcoholic e. Lat., extractum alcohol i cum (seu spirituosum). Fr., extrait alcool i que. Ger., alkoholisches (oder geistiges) E., Abstractiv. An extract obtained by exhausting the powdered drug with strong or diluted alcohol. [B, 81 (a, 21).] Anodyne e. See EXTRACTUM anodynum. Aperient e. See EXTRACTUM solutivum. Aqueous alcoholic e. Ger., spirituoswa eriges E. An e. made by exhaustion with a mixture of water and alcohol. [B, 95. 108 (a, 14). Aqueous e. Lat., extractum aquosum. Fr., extrait aqueux. Ger.,wci eriges Extract. An e. formerly made by boiling the drug with water and expre ing, but more recently, according to nearly all the pharmacopoeias, by infusing or percolating with water. [B, 81 (o, 21).] Aromatic fluid e. See EXTRACTUM a rom at i cum fluidum. Bezoardic e. See EXTRACTUM bezoardicum Camerarii. Bitteres E. (Ger.). See EXTRACTUM amarum. Cathartic e. See Extractum COLOCYNTH I DIS compos i tum. Compound e. Lat., extractum compos i tum. Fr., extrait compose. Ger., zusammengesetztes E. An e. made from more than one drug or an e. with the addition of other ingredients. Dickes E. (Ger.). See EXTRACTUM spi um. Dry e. See EXTRACTUM siccum. Dry narcotic e's. Lat., extract a narcotic a sicca. Of the Ger. Ph.. a cla of e's, identical with those of the Pru . Ph., 1862, made by mixing 4 parts of the e. with 3 of finely powdered licorice-root, drying the mixture at between 40 and 50 C., rubbing the residue to O, no; O2, not; O3, whole; Th, thin; Th2, the; U, like oo in too; [s. 791]