oF ()) au , L LS. eG k re 
ase a nd in 1907 yes a to 2enoe 000 Ibs., “afterwards it went down 1 rapidly and 
: y totalled — last year): Pe tah. 
a ae ‘one ar our cock ert, we digcnssed a’ teas: by B. J. Eaton?) on the 
pl roduction of camphor oil in’ the - Federated Malay States, and. later on we briefly 
reverted to the matter®). We now have before us again an article on the subject, 
om entioned. therein are not normal, like those obtained in Formosa from camphor wood, 
h ving been distilled from the leaves and hence eee characterized, as it is Le), 
mae absence of safrole. eat Rake & 
: 2 years old, e. g., yielded 1.4 to 1.6; those of trees 4 years old, 1.3 to 1. 7 per cent. of 
: : distillate, whereas the figures for the a were 0. 10 to 0. 25 and 0. 13 to 0. 22 per cent., 
ke ir espectively. . nti a nee | ; 
= WHOS 
a Ry 
- 
aa 0! jour and which had deposited considerable quantities of camphor. In order ‘to free. 
the oil from the deposit, it was repeatedly cooled down to —12° and filtered. After 
Pe nents boiling between 155 and 195° contained cineole (4.3 per cent. of the original 
factions boiling from 195 to 225°. , ; 
oe oho trees have been planted too in Mauritius, where ey prosper, but so far 
Hetitute received from Mauritius samples of camphor oil with the following properties: aa 
d, 50 0.90 to 0.925, apy — 6° 20’ to — 21°.5’, cineole content 65 to 72 per cent. (deterinied 
‘ the resorcinol method). As the oils had such a high percentage of cineole, a. further. 
fi e similar samples were investigated. There were two oils from branches, one from. 
eaves, one from wood and one from roots. They. had all been distilled in a copper 
Ss still, except that from roots, - of which pay half came from a BORPEN still, the other 
half from a wooden one. 
2 The leaf oil had been obtained from fresh jeaves at different stages of. maturity 
and from small twigs taken from very old trees. In January, the yield was 0.75 to 
4 0.92 per cent., in the months of March till May, 0.48 to 0.61 per cent., and in June and — 
Je ji ly, 0.71 to 1.1 per cent. Leaves without stalks yielded 1.24 per cent, of a in Ml 
ie was impossible to obtain solid ‘camphor from the: leaves. 
‘ RS 
Roots yielded 2.97 per cent. of oil, branches from very old trees, 0. 60 per cent. of 
; branches from a tree growing near a river contained only 0.21 to 0.31 per cent. of 
. ‘oil, From wood, 0.77 per cent. of oil were obtained. | : 
; 
= 7) : = = a ~- r fy : : y 
ay Der Neue Orient 3 (1918), 45, — zy Cémution from Cinnamomum Gimnnina (the Japanese camphor tree), 
— ation and preparation in the Federated. Malay States. Department of Agriculture. Bulletin No. 15, 
pe; aes October 1912, 28. — %) Bull. Imp. Inst. 11 (1913), 46; Report- October 1913, 34. fee 
Fi rc 
hee, See 5 ae ¢ Kader oH \e S, 
, ae i od £4 
de ‘bess y 
9 fo SS eee PF 
‘entitled “Camphor oil from the Federated Malay States and Mauritius’”’*), | but the oils — Pe, 
It has been found out that the leaves of the Stnnnod tree contain far more sos 
olatile constituents than the branches, deprived of their leaves. The leaves of trees a 
a 1913, the Imperial. Institute ieee a’ ee of a hibe oil. of a are yellow ne 
-oil) and those boiling between 195 and 225°, camphor. The total quantity of camphor aes 
co tained in the original oil was 30.5. per cent. There was no safrole arenene in pe Bie 
ae be nn - £ ¥ Me rah el D Baie Re 4 al Pe "K. bobs 
. 
boi 
+ : 
my 
fH? 
aan 
1av fing been treated in this way, the oil showed djs 0.913 and ap + 4191". The com-— ‘ | ‘ 
mphor has only been obtained there on an experimental scale. In 1912, the nperial @ ane 
es), 
/ 
