Tincture of Cat′echu. Syn. Compound tincture of catechu; Tinctura catechu composita (Ph. L.), T. catechu (B. P., Ph. E. & D.), L. Prep. 1. (B. P.) Pale catechu, in coarse powder, 21⁄2; cinnamon, bruised, 1; proof spirit, 20: macerate for seven days with agitation, strain, press, and filter, and add spirit to make up 20.—Dose, 1⁄2 to 2 dr.
2. (Ph. L.) Catechu, in powder, 31⁄2 oz. (4 oz.—Ph. D.); cinnamon, bruised, 21⁄2 oz. (2 oz.—Ph. D.); proof spirit, 1 quart; macerate for 7 days (or percolate—Ph. E.).
3. (Wholesale.) From catechu, 2 lbs.; oil of cassia, 3 fl. dr.; rectified spirit and water, of each 1 gall.; macerate for 10 days.—Dose, 1 to 2 fl. dr., as a warm astringent; in diarrhœa, &c., either alone, or combined with chalk.
Tincture of Cevadilla. Syn. Tinctura sabadillæ. (Dr Turnbull.) Prep. Digest the seeds of cevadilla (freed from their capsules), and bruised, for ten days in as much rectified spirit as will cover them; express and filter. For external use only in rheumatism.
Tincture of Chamomile. Syn. Tinctura anthemidis. (Aust. Ph.) Dried chamomile flowers, 2 oz.; proof spirit, 1 pint.
Tincture of Chiret′ta. Syn. Tinctura chiraytæ (B. P.), Tinctura chirayta, T. chirettæ (Ph. D.), L. Prep. (B. P.) Chiretta, cut small and bruised, 1; proof spirit, 8; macerate 48 hours with 6 of the spirit, agitating occasionally, pack in a percolator, and let it drain, then pour on the remaining spirit; when it ceases to drop, press, and wash the
marc with spirit to make up 8.—Dose, 15 to 60 minims; B. Ph. dose 1⁄2 to 2 dr.
2. (Ph. D.) Chiretta or chirayta (bruised), 5 oz.; proof spirit, 1 quart; macerate for 14 days. Tonic and stomachic.—Dose, 1⁄2 to 2 fl. dr.
Tincture of Chloroform (Compound). Syn. Tinctura chloroformi composita. (B. P.) Prep. Mix 2 fl. oz. of chloroform with 8 fl. oz. of rectified spirit and 10 fl. oz. of compound tincture of cardamoms.—Dose, 20 to 40 minims.
Tincture of Cinchona. Syn. Tincture of bark; Tinctura cinchonæ (B. P., Ph. L., E., & D.), T. corticis Peruviani, T. c. P. simplex, L. Prep. 1. (B. P.) Yellow cinchona bark, in coarse powder, 4; proof spirit, 20; macerate 48 hours with 15 of the spirit, agitating occasionally, pack in a percolator and let it drain, then pour on the remaining spirit, and when it ceases to drop, press, and wash the marc with spirit to make 30.—Dose, 1 to 2 dr.