Epitome of the Pharmacopeia of the United States and the National Formulary Part 89

=Xanthoxylum (Xanthox.), Xanthoxylum, U.S.P.= (p.r.i.c.kly Ash Bark).

ACTION AND USES: Bitter, without special advantage over gentian.

DOSAGE: 2 Gm. or 30 grains (U.S.P.).

_Fluidextractum Xanthoxyli (Fldext. Xanthox.), Fluidextract of Xanthoxylum, U.S.P._ (Fluidextract of p.r.i.c.kly Ash).--Xanthoxylum (100%).

Absolute alcohol content about 60 per cent.

DOSAGE: 2 Cc. or 30 minims (U.S.P.).

=Xanthoxylum Fructus (Xanthox. Fruct.), p.r.i.c.kly Ash Berries, N.F.=

ACTION AND USES: Obsolete and probably worthless; has been used as stimulant, tonic, alterative, diaph.o.r.etic, sialagogue and carminative.

DOSAGE: 1 Gm. or 15 grains (N.F.).

=Zea (Zea), Zea, N.F.= (Corn Silk).

ACTION AND USES: Probably valueless. Has been used in inflammatory conditions of the bladder.

DOSAGE: 4 Gm. or 1 drachm (N.F.).

_Fluidextractum Zeae (Fldext. Zea.), Fluidextract of Zea, N.F._--Zea (100%). Absolute alcohol content about 40 per cent.

DOSAGE: 4 Cc. or 1 fluidrachm (N.F.).

=Zedoaria (Zedoar.), Zedoary, N.F.=--Rhizome.

ACTION AND USES: Practically the same as those of ginger, over which it has no advantage.

DOSAGE: 1 Gm. or 15 grains (N.F.).

_Tinctura Zedoariae Amara (Tr. Zedoar. Amar.), Bitter Tincture of Zedoary, N.F. (Compound Tincture of Zedoary)._--Zedoary (25%), aloes (12.5%), rhubarb (6.2%), gentian (6.2%), agaric (6.2%) and saffron (6.2%) in glycerin, alcohol and water. Absolute alcohol content about 50 per cent.

USES: Bitter stomachic and laxative; needlessly complex and without special advantage over compound tincture of gentian.

DOSAGE: 4 Cc. or 1 fluidrachm (N.F.).

=*Zinci Acetas (Zinc. Acet.), Zinc Acetate, U.S.P.=--Zn(C{2}H{3}O{2}){2} + 2H{2}O.

Soft white crystals, having a faint vinegar odor and, in dilute solutions, an astringent metallic taste. Freely soluble in water (1:2.3), and soluble in alcohol (1:30).

ACTION AND USES: Used locally, like zinc sulphate, being somewhat less powerful.

DOSAGE: 0.125 Gm. or 2 grains (U.S.P.).

=Zinci Carbonas Praecipitatus (Zinc. Carb. Praec.), Precipitated Zinc Carbonate, U.S.P.=

Impalpable, white, odorless, tasteless powder. Insoluble in water or alcohol.

ACTION AND USES: Similar to, but without advantage over zinc oxide.

=*Zinci Chloridum (Zinc Chlor.), Zinc Chloride, U.S.P.=--ZnCl{2}.

White or nearly white, granular powder, porcelain-like ma.s.ses or molded pencils, odorless, very deliquescent and intensely caustic.

Very soluble in water (1:0.25) and in alcohol (1:1.3).

ACTION AND USES: Antiseptic, astringent and escharotic.

_*Liquor Zinci Chloridi (Liq. Zinc. Chlor.), Solution of Zinc Chloride, U.S.P._--ZnCl{2} (about 50 per cent.).

=*Zinci Oxidum (Zinc. Oxid.), Zinc Oxide, U.S.P.=--ZnO.

Fine, white or nearly white, odorless, tasteless powder. Insoluble in water or in alcohol.

ACTION AND USES: Antiseptic and astringent, widely used either alone or in combination with other substances as a dusting powder and as a protective and sedative in ointments.

_Glycerogelatinum Zinci Durum (Glycerogel. Zinc. Dur.), Firm Zinc Glycerogelatin, N.F._--Zinc oxide (10%) in water, glycerin and glycerinated gelatin.

_Glycerogelatinum Zinci Molle (Glycerogel. Zinc. Mol.), Soft Zinc Glycerogelatin, N.F._--Zinc oxide (10%) in water, glycerin and glycerinated gelatin.

_Mulla Zinci (Mull. Zinc.), Zinc Mull, N.F._ (Unguentum Zinci Extensum, N.F. III).--Zinc oxide (10%) in benzoinated suet and benzoinated lard.

_Pasta Zinci (Past. Zinc.), Zinc Paste, N.F._ (La.s.sar's Zinc Paste).--Zinc oxide (24%), salicylic acid (2%), starch and petrolatum.

_Pasta Zinci Mollis (Past. Zinc. Moll.), Soft Zinc Paste, N.F._ (Unna's Soft Zinc Paste).--Zinc oxide (25%), precipitated calcium carbonate, linseed oil and solution of calcium hydroxide.

_Pasta Zinci Sulphurata (Past. Zinc. Sulphur.), Sulphurated Zinc Paste, N.F._ (Unna's Sulphurated Zinc Paste).--Zinc oxide (15%), precipitated sulphur (10%), purified siliceous earth and benzoinated lard.

_*Unguentum Zinci Oxidi (Ung. Zinc. Ox.), Ointment of Zinc Oxide, U.S.P._ (Zinc Ointment).--Zinc oxide (20%) in benzoinated lard.

=Zinci Phenolsulphonas (Zinc. Phenolsulph.), Zinc Phenolsulphonate, U.S.P.= (Zinc Sulphocarbolate).--The hydrated salt.

Colorless, odorless crystals or granules having an astringent, metallic taste. Freely soluble in water (1:1.6), and in alcohol (1:1.8).

ACTION AND USES: Similar to, but less active than zinc sulphate, over which it has no advantage.

DOSAGE: 0.125 Gm. or 2 grains.