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KOOPEB, D. (59) 
BARK OF AILAIWHUS SXGZLSA. Pharm. o'our. and Trans. [London] 
55: 345. 1895, 
The "bark and leaves of Al lanthus excel sa are considered to 
have medicinal vej.ue in Madras and hnve received favoraole notice 
from Ainslie and Tlight. In the Telugu country the bark is re- 
garded as a powerf-ul febrifuge and tonic in cases of debility. 
It is also good for dyspepsia and bronchi?!, and asthmatic complrints. 
The only i^revious notice of a chemical examination of the 
bark appeared in 1370 when Ih-jrryan Daji read a, paper on the subject 
(Phmi. Jour, and Trans. [London] [3] 1: 154. 1870,). He seprjratod 
an acid principle, which he called allanthic acid, and aJLso found 
a. bitter, noncrystrllizable principle, but ho r.ttributed the 
medicinal virtue to the former. 
The present author has examined a sample of the ba-rk 
supplied by Watt of Calcxitta, The potrdered bark was macerated 
and percolated with rectified s^pirit ana the percolate evaporated 
to dryness. An atiuoous solution of the residue was extracted with 
ether and other solvents, which removed a v;axy, brown, nonbitter 
substance. The a,queou3 coluticn waf". treated with tannin, the 
precipitate filtered and rrdxed nith fresh load hydrate and dried.. 
The dried tannin compound was powdered and boiled with successive 
portions of alcohol, ar^d the blue fluorescent fluid was evaporated. 
The residue was a light brov/n granular substance, not distinctly 
crystnlline, intensely bitter, noutrrJ in reaction, soluble in 
water and spirit with a fluorescence, not readily soluble in 
ether, but distinctly so in chloroform. It g-^-vc n. purplish 
color v;ith sulphuric acid and yellow '.Tith nitric acid. Its 
solution Was precipitated by iodine in potassivm iodide, potassio- 
ncrcuric iodide, and tannin. The- bitter principle was not 
shaiccn out of acid neutrrJ. or alkaline solutions by ether or 
chloroform. From this exaiaination it would seem that the bitter 
principle of Ail<?nthus excels a bark should not be cj^llcd an 
ajcid, but rather belongs to a neutral class of substa.nccs 
related to quassiin. The cedrin obtained by Lowy in the seeds 
of Si nab-: ', ccdron , the principles separated by Warden from 
the v;ood of Pier asm a guassioidos , and by Shi mo, jam a. -rnd Hirano 
from P. aila.nthoidcs, rnd the samaderin from Samp.dcr.a indica 
may on more complete analysis prove to be one orA the same 
active principle, qua.ssiin, 
ILrJGUIH, ¥., (60) 
THE WORX OF THE CHIEF IHSTHUCTOR IK HORTICULTURE IK THE 
.yfiOTBIEOF SA:>.1AFZMI} IN 193.4, Agr. of Turkestan 11(7): 
pp. 620/619, 1915. [in P.ussian. Abstract in Rev. Appl, Ent. 
(A)5: 251-252, 1917.] 
Aphids were controlled by spraying with soa-p qviassia emulsion 
( 2 pounds of quassia rnd 3 pounds of soft soap in about 18 
grllons of water). 
