=Essence of Ap'ple.= _Syn._ SOLUTION OF VALERIANATE OF AMYL; ESSENTIA POMI
ODORATA, L. _Prep._ From apple oil (valerianate of oxide of amyl), as
ESSENCE OF ALMONDS. Used to flavour liqueurs and confectionery.
=Essence of Ar'nica.= _Syn._ ESSENTIA ARNICÆ, E. A. FLORUM, TINCTURA A. E.
CONCENTRATA, L. _Prep._ (Ph. Baden, 1841.) From arnica flowers, ESSENCE OF
ACONITE. It represents half its weight of herb.
=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, diarrh[oe]a, spasms, &c.
=Essence of Bark.= _Syn._ ESSENTIA CINCHONÆ, E. CORTICIS C., L. _Prep._ 1.
Resinous extract of yellow bark, 4 dr.; rectified spirit, 1-1/2 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 1-1/2 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), 4-1/2 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 7-1/2 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.
3. (Fordred.) Tincture of camphor, 13 fl. dr.; tincture of myrrh, 1/2 fl.
dr.; rectified spirit, 18-1/2 fl. dr.; mix. 1 fl. dr., added to 4 fl. oz.
of water, forms camphor julep. It has been proposed to bleach the tincture
of myrrh with animal charcoal, but this interferes with its proper action.