Essence, Aromat′ic. Syn. Essentia aromatica, L. Prep. From hay saffron, dr.; and rectified spirit, 6 fl. dr.; digested together; to the filtered tincture is added oil of cinnamon and powdered white sugar, of each 1 dr.; ether (rect.), 2 fl. dr.; oil of nutmeg and essence of ginger, of each 1⁄2 dr.; after agitation and a few days’ repose, the clear portion is decanted into a stoppered phial.—Dose, 5 to 15 drops, on sugar or in a glass of wine or weak spirit; in cholera, diarrhœa, spasms, &c.
Essence of Bark. Syn. Essentia cinchonæ, E. corticis c., L. Prep. 1. Resinous extract of yellow bark, 4 dr.; rectified spirit, 11⁄2 fl. oz.; tincture of orange peel, 1⁄2 fl. oz.; acetic acid (Ph. L.), 1 fl. dr.; digest a week.
2. Disulphate of quinine, 1⁄2 dr.; resinous extract of bark, 2 dr.; rectified spirit, 2 fl. oz.; as before.—Dose, 12 drops to a teaspoonful; as a febrifuge and tonic.
Essence of Beef. Syn. Essence of red meats, &c. Prep. 1. From lean beef (chopped small), 1 lb.; water, 1⁄2 pint; place them in a bottle, which they will only half fill, and agitate them violently for half an hour; then throw the whole on a sieve, and receive the liquid in a jug; next boil the undissolved portion in water, 1 pint, for 20 minutes; strain, mix the decoction with the cold infusion, evaporate the liquid to the consistence of a thin syrup, adding spice, salt, &c., to taste, and pour the essence, whilst boiling hot, into bottles, jars, or (still better) tin cans, which must then be at once hermetically corked, sealed, or soldered up, and stowed away in a cold place. In this state it will keep a long time. (Brande’s.)
2. (Ellis.) Take of lean beef (sliced), a sufficient quantity to fill the body of a porter bottle; cork it up loosely, and place it in a pot of cold water, attaching the neck, by means of a string, to the handle of the pot; boil for 11⁄2 to 2 hours, then decant the liquid and skim it. Spices, salt, wine, brandy, &c., may be added as before. Highly nutritious and sustaining.
Essence of Ber′gamot. See Oil (Volatile).
Essence, Bit′ter. Syn. Essentia amara, L. Prep. (Ph. Den.) Wormwood, 4 parts; gentian root, bitter orange peel, and blessed thistle, of each 1 part; rectified spirit, 45 parts; digest a week. Tonic and stomachic.—Dose, 1⁄2 dr. to 2 dr.
Essence of Calum′ba. Syn. Essentia calumbæ, L. See Infusion of Calumba.
Essence of Cam′phor. Syn. Camphor drops, Liquor of camphor, Concentrated essence of c., Concentrated solution of c., Conc. camphor julep; Essentia camphoræ, Liquor c., L. c. concentratus, L. Prep. 1. Camphor (clean), 41⁄2 oz.; rectified spirit, 1 gall.; dissolve. This forms the ‘ESSENCE OF CAMPHOR’ and ‘LIQUOR CAMPHORÆ’ of the wholesale houses. About 1⁄2 fl. dr., added to 71⁄2 fl. dr. of cold distilled water, forms (by agitation) a transparent aqueous solution of camphor, fully equal in strength to the filtered ‘MISTURA CAMPHORÆ’ (camphor julep) of the Ph. L. The above made with weaker spirit forms the ‘spirit of wine and camphor’ of the shops.
2. Camphor, 1 oz.; rectified spirit, 10 oz. (by weight); dissolve. This forms the ‘CONCENTRATED ESSENCE OF CAMPHOR’ of the wholesale druggists. 10 or 12 drops, added to 1 fl. oz. of pure cold water, make a transparent camphor julep, as before. There is a large quantity of these solutions of camphor sold by the London houses, who charge a considerable price for them. They are very convenient for preparing extemporaneous camphor julep or camphor mixture in dispensing.