Extract, Black. See Extract of Cocculus.
Extract of Black Pepper. See Extract of Pepper.
Extract of Bladder-wrack. Syn. Extractum fuci vesiculosi. From the dried plant of the bladder-wrack. Given in obesity.
Extract of Bor′age. Syn. Extractum boraginis, L. Prep. 1. (P. Cod.) From the dried herb (Borago officinalis).
2. (Ph. Lusit.) From the clarified juice of the fresh plant. Exhilarating, restorative, and pectoral.—Dose, 10 to 30 gr., or more.
Extract of Box. Syn. Extractum buxi, E. corticis b., L. Prep. (P. Cod.) From the tincture of the root bark, prepared (with proof spirit) by displacement, as EXTRACT OF ACONITE—P. Cod.
Extract of Broom. Syn. Extract of broom tops; Extractum scoparii, E. spartii scoparii, L. From decoction of broom tops. Diuretic and cathartic; and, occasionally, emetic.—Dose, 20 gr. to 1 dr.; in dropsy, &c. It is now seldom used.
Extract of Bry′ony. Syn. Extractum bryoniæ, E. b. albæ, E. radicis b. a., L. Prep. From the infusion or decoction of the root of white bryony (Bryonia dioica). Purgative, diuretic, and emmenagogue.—Dose, 10 gr. to 1⁄2 dr. It was once a favourite remedy in asthma, dropsy, epilepsy, &c.
Extract of Bu′chu. Syn. Extractum buchu, E. diosmæ, L. Prep. 1. From buchu leaves, as the last.
2. (Ethereo-alcoholic; E. b. æthero-alcoholicum, L.—W. Procter.) Buchu (in coarse powder), 1 lb.; ether, 4 fl. oz.; alcohol (rectified spirit), 12 fl. oz.; percolate without digestion, adding dilute alcohol until a pint of ethereo-alcoholic tincture is obtained, and suffer this to evaporate spontaneously; treat the residue in the displacer with dilute alcohol, till 2 pints are obtained; evaporate to a syrup, add the product of the first tincture, mix, and complete the evaporation.—Dose, 5 to 10 gr.; in diseases of the urinary organs, &c.