A yellowish powder, with a slight characteristic odor.
Action and Uses: Used in thyroid deficiency; sometimes in obesity, in which it may be harmful.
Dosage: 0.1 Gm. or 1-1/2 grains (U.S.P.).
TINCTURAE, TINCTURES.—Tinctures with few exceptions are alcoholic or hydroalcoholic extractive preparations of vegetable drugs. The tinctures of potent drugs represent uniformly 10 Gm. of drug in 100 Cc. of the preparation, while tinctures of less potent drugs vary in strength but represent usually 20 Gm. of drug in 100 Cc. of the preparation. For the official tinctures see under the names of the respective drugs. For Tinctura Amara, see under Gentiana; for Tinctura Antiperiodica and Tinctura Antiperiodica sine Aloe, under Quininae Bisulphas; for Tinctura Aromatica, under Cinnamomum Saigonicum; for Tinctura Ipecacuanhae et Opii and for Tinctura Pectoralis, under Opium.
TINCTURAE AETHEREAE, ETHEREAL TINCTURES, N.F.—When not otherwise directed, ethereal tinctures are to be prepared representing 10 per cent. drug strength, extracted with a mixture of alcohol and ether. Of doubtful advantage over ordinary tinctures.
TINCTURAE MEDICAMENTORUM RECENTIUM, TINCTURES OF FRESH DRUGS, N.F. (Tincturae Herbarum Recentium, U.S.P. VIII).—When not otherwise directed, tinctures of fresh drugs are to be prepared by extracting 50 Gm. of the fresh drug with alcohol to make 100 Cc.
TOXITABELLAE, POISON TABLETS.—Tablets containing poisons.
*Tragacantha (Trag.), Tragacanth, U.S.P. (Gum Tragacanth).—Mixed with 50 parts of distilled water, forms a smooth, nearly uniform, stiff, opalescent mucilage.
Action and Uses: Demulcent and ingredient in emulsions.
Glyceritum Tragacanthae (Glycer. Trag.), Glycerite of Tragacanth, N.F.—Tragacanth (about 10%) in glycerin and water.