1011
, »att er
Vrit]j q . v ch, and a portion of the compound of the red cinchonicHs le cinchona alkaloids. While hot, the liquor is transparent; but'late ^ becomes turbid, owing partly to the deposition of the tan-be Ca 0 st arcli when the temperature falls below 88° F.; and partly"old ^ ^ le re( l cinchonic compound being more soluble in hot than inile Co - ater > is deposited on cooling. Of 146 parts of the deposit fromb J Und (Jo* ' ebo ' v (Calisaya) bark, Soubeiran (Traite de Pkarm. i. 607)and t], ° parts (principally tannate of starch) were insoluble in alcohol,the c i e re maining 86 parts were readily soluble in alcohol, and yielded•ycllowr° Ua ^haloids. The same author also found that by decoction,'t jjj (Calisaya) bark lost 2-3rds of its weight; whereas by infusiontile lo st l-8rd of its weight. If the water employed in preparing
rochloric
acid) th° C ^° n 0r '"fusion be acidulated (with sulphuric or hydroacid d 6 lne( Hci u al value of the preparation is greatly increased; for thecin^e, ec °niposes the insoluble red cinchonic salt, and forms, with the«the r ]J la alkaloids, a soluble combination. Alkaline solutions, on thethey r yield less powerful, though highly coloured, preparations :’he dissolve the red cinchonic and the acids, but they render
and f e i a <n( ls insoluble. Decoction of cinchona is stomachic, tonic,3. yrttuge. The dose is fSj. to fjij.
''tl )Cr ^ lNf 'TunA Cinchona , L. E. D. —(Heart-leaved [Yellow, or anyi'kis e( jrF les > according to prescription, E., Lance-leaved,!).] Cinchona ,1 >r °ofs L - fme Powder, E., coarsely powdered, D.], 5 viij. [ 5 iv. E. I).] ;s trai n .'.[’t’ Oij. [Oj. E.~\ Macerate for fourteen [seven, D.] days, andC °W ti directions of the Edinburgh College are as follow :—“ Per-a v er hark with the spirit, the bark being previously moistened withhacked • 1 ^ e s pirit, left thus for ten or twelve hours, and then firmlyL tlle cylinder. This tincture may also be prepared, thougho p s . e xpeditiously, and with much greater loss, by the usual pro-<rgesti° n) the bark being in that case reduced to coarse powderJ, ‘th ti ^Ph'it extracts all the bitter and astringent principles of cinchona;
iaates of the cinchona alkaloids, as well as the combination of‘it P / ub rta's
ated
sto.
. ances with the red cinchonic. If the spirit be too concen-kinates are less readily dissolved by it. Tincture of cinchonaHan “’m, t( >nic, and stimulant. The dose of it is foj. to fjiij. It is0t to q^’Hplcyed as an adjuvant to the infusion or decoction of cinchona,4. p. s °l u 'i°n of the sulphate of quinia.
C *°"a [\ TUsa Cinchona composita, L. E. D. (Lance-leaved Cin-m tc «lati ebo ' v Park, E.] bruised [coarsely powdered, D.E. -, fine, ifjded n ° n bo followed, E.~\, Siv. [sij . E. !).] ; Orange Peel [Hitter, E .\,r^Al • jiij. [jiss. E., *ss. D.]; Serpentary, bruised, 3yj. [5iij.
.. ij. a m'on [chopped, E .}, 5ij. [5j. E. 1) ] ; Cochineal, powdered, 5j.
, J ’ Proof Spirit, Oij. [Oj. and fgiij. E., i'.lxx. D.] Digest forSbo Vl„ and strain. “ I3iges1
{l^eq r ’ b lter the liquors.
S" ' *
Digest for seven days ; strain and expressbv l 1110 11( l uors - This tincture may also be conveniently pre-•^ure f e "'cthod of percolation, in the same way as the compoundYhark ° » car( kunom,” E.) —This is usually sold as Huxham's Tincturefii oriif. II * * S a lnore agreeable and more stimulant, though less power-y^dg ac 1311 Ike simple tincture, and is less apt to disturb the stomach.CUlcl ’0na C ti r(ling t0 tbe P ()n( ^ on Pharmacopoeia , it contains one-half lessIlla chi c , ’ an the simple tincture. It is employed as a tonic and sto-khe dose of it is f3j. to f3iij.