2. (Ph. E.) Simple syrup (warm), 2 lbs.; tincture of Tolu, 1 oz.; mix by degrees, and agitate them briskly together in a closed vessel.
3. (B. P.) Balsam of Tolu, 11⁄4; sugar, 32; water, 20; boil the balsam half an hour, adding water when required; when cold make up to 16, filter, add the sugar, and dissolve. The product weighs 48 and measures 36. Sp. gr. 1·33.—Dose, 1 to 2 dr.
4. (Wholesale.) To warm water, 23 lbs., add tincture of Tolu, gradually, until it will bear no more without becoming opaque; then cork down the bottle, and occasionally agitate until cold; when quite cold, filter it through paper, and add of the finest double-refined sugar, 44 lbs.; lastly, promote the solution, in a closed vessel, by a gentle heat, in a water bath.
Obs. This syrup should be clear and colourless as water; but, as met with in the shops, it is usually milky. It is strange that the London College should have omitted from their formula the usual addition of rectified spirit, although this syrup, perhaps more than any other, would be benefited by it.
Syrup of Tolu is pectoral and balsamic.
Syrup of Valerian. Syn. Syrupus valerianæ. (P. Cod.) Prep. Infuse 1 lb. of bruised valerian in 4 lbs. of boiling water for six hours; strain, and press; then pour upon the marc 2 lbs. more of boiling water, or q. s. so as to obtain 41⁄2 lbs. of infusion, including the product of the first infusion; filter, and add 1 lb. of valerian water, and then dissolve in it, by the aid of a water bath, 10 lbs. of sugar.
Syrup of Vanilla. Syn. Syrupus vanillæ. Prep. Vanilla, 2 oz.; white sugar, 18 oz.; water, 9 oz. Beat the vanilla with a few drops of spirit, then with part of the sugar, and water, q. s. to form a soft paste; add the rest of the sugar and water, and digest for 18 or 20 hours in a glass vessel placed in a water bath. Strain and clarify with white of egg if required.
Syrup, Velno’s Vegetable. According to Dr Paris and Sir B. Brodie, this celebrated nostrum is prepared as follows:—Young and fresh burdock root, sliced, 2 oz.; dandelion root, 1 oz.; fresh spearmint, senna, coriander seed, and bruised liquorice root, of each 11⁄2 dr.; water, 11⁄2 pint; boil down gently to a pint, strain, add of lump sugar, 1 lb., boil to a syrup; and, lastly, add a small quantity of corrosive sublimate, previously dissolved in a little spirit. Used as an alterative and purifier of the blood.
Syrup of Vin′egar. Syn. Syrupus aceti, L. Prep. (Ph. E.) Take of vinegar (French, in preference), 11 fl oz.; white sugar, 14 oz.; and make a syrup.—Dose, 1 dr. to 1 fl. oz.; as an expectorant, in coughs and colds, or diffused through any mild diluent, as a drink in fevers. A more agreeable preparation is that of the P. Cod., made by dissolving 30 parts of sugar in 16 parts of raspberry vinegar.
Syrup of Vi′olets. Syn. Syrupus violarum, Syrupus violæ (Ph. L. & E.), L. Prep. 1. (Ph. L.) Macerate violet flowers, 9 oz., in boiling water, 1 pint, for twelve hours, then press, strain, and set aside the liquid, that the fæces may subside; afterwards complete the process with sugar, 3 lbs., and rectified spirit, 21⁄2 fl. oz. (or as much of each as may be necessary), in the way which has been ordered concerning syrup of cochineal.