TROC

45;

Insoluble in water, with which it gelatinizes. In boiling water it dis-solves partially, when a portion of a mineral acid is added.Medicinally it is chiefly used in pharmaceutical preparations. A bit ofit allowed to dissolve gradually in the mouth tends to allay ticklingcoughs.Enters into Mucilago Astragali Tragacanthae, E. D. Pulv. TragacanthseComp. L.

Traumatic, belonging to wounds.

Traumatic Balsam. See Tinct. Benz. Comp.

Treacle, or Molasses, is the impure syrup or uncrystallizable portionof the juice of the sugar-cane. It is very fermentable.Medicinally it is purgative, and is a cheap substance for aperientelectuaries, &c.

Trefoil. See Menyanthes.

Tripoli. A sort of burnt earth, used for polishing and cleaningmetals.

Triticum. See Farina and Amylum.

Trochisci. E. P. Lozenges. I have given the composition of some ofthese under Lozenges, Pastilli, and Tabell^e. Others I shallnow mention.

Trochisci Carbonatis Calcis. E. Lozenges of Carbonate of Lime.Chalk Lozenges. Take ^iv of prepared carbonate of lime, 5j ofgum arabic mucilage, Jj of nutmeg in powder, and 3VJ of re-fined sugar, triturate these together, and make into a paste withwater.Medicinally two or three may occasionally be taken as an antacid andabsorbent.

Trochisci Emetin;e. New. Emetine Lozenges. Take gr. xxxij ofcoloured emetine, ^ij °f refined sugar, make into lozenges ofgr. xviij each.Medicinally emetic, when taken fasting, in doses of one for a child, andthree or four for an adult.

Trochisci Glycirrhiz^e Glabrae. E. Liquorice Lozenges. Takeone part each of extract of liquorice and gum arabic, two parts ofrefined sugar; dissolve in warm water, strain, and evaporate with agentle heat, so as to form lozenges in the usual way. Demulcentfor coughs.

Trochisci Gummosi. E. Gum Lozenges. Take four parts of gumarabic, and one part of starch, and twelve parts of refined sugar;make into lozenges with rose water. Demulcent for coughs.

Trochisci Nitratis Potass^:. E. Nitre Lozenges. Take one partof nitrate of potass, three parts of refined sugar; make into lozengeswith mucilage of tragacanth.