«SCIENTIFIC R RESEARCH. a al OG apie cae aaa « 
x ei, A beautifully green colour being suptectateds a piece of copper is frequéntly 
Pp ut into the oil, a! 
In ‘Eastern Asia, cajuput oil is looked upon as a universal Caney: 
. _ As is well known, the article is generally exported via Makassar. In Boeroe, the 
; port harbour was Kajeli, up to 1914, but now it is Namlea. The fKesidentie Amboina 
‘shipped in 1914 about 37000 kilos to Java and 36000 kilos to Celebes and its Onder- 
he oorigheden. This. district | exported | 26000 kilos to Java, 13000 to South and East 
Borneo, 4000 to Menado, 3000 to the West coast of Sumatra and 2000 to Timor. The 
most important foreign customer is Singapore, whence the oil is sent to British India 
and Indochina. The United Siates used to- buy indirectly, and are now buying 
direct, ‘considerable quantities of cajuput oil. It is employed there in a good 
many patent ; medicines. Part of the oil teaches ne via Amsterdam, London and 
-F pecnbure: a : 
s ee (as ‘x * 
The official statistics supply the following export figures, in kilos: — 
: Destination ere ie MOIR Ge 28 198. 
Sebitictee nc eae Ke gO S00. <i) OTD. 12217. 
Retain ee Ge ee YB TB Sh  T8 
eee a United States 2.20. es B26) 211 8(4 1) 15981 
Bee BinsabOres Se 120057 6 140 658.015, 42090" 
Be Se i Pees ADA = | 
Mee etd arioligna 2 Se DOSE SPOTS 8 BBTB SS 
Meer 4, Portusuese Timor..3 2) 1423). DOs ets 
eo «Oiler countries 20.0% 142° Gos i BLO 
. SS aes Total 124328 65469 79763. 
: PAS may be seen, Pp Saeatior: has partly Jost, during the war, ns importance as a port 
0 _ transit, whereas the direct traffic with America has increased considerably. 
_  Cajuput oil is the only oil distilled in the Dutch Indies from wild. pa all the 
others being distilled from cultivated ones. ; 
d Ey results from an official enquiry- made in 1917, that tmere were then 18 Sean 
in Java and Madura, and 2 in the so- -called Buitenbezittingen, which were dedicated 
exclusively to plants yielding essential oils. ‘The total area was 3000 hectares, 
2700. thereof in Java. A good 2800 hectares are planted with citronella grass. The- 
‘ sultvaton of essential oil plants is also carried on in conjunction with other plants 
5 Java plantations and plays quite an unimportant part in 7 other plantations, also 
ir in Java. ‘Most of the plantations of aromatic plants (13) are in the Preanger district, 
7 cin Batavia and 4 in Semarang. Rosie Janay there is one plantation in Palembang 
and one in Banka. ; 
~ Citronella ou. Citronella grass is ehoptted to the pciories in the main by the 
natives, already cut, when 25 to 30 Dutch cents are paid per picul?)~ 
: The cultivation of the plant is very simple. It is propagated by dividing the tufts 
a grows” everywhere, if only the soil is fertile. Under favourable conditions, 1 bouw?) 
ields from 5000 to 6000 kilos of grass, and 7 kilos of oil are obtained from 1000 kilos 
of grass. Most of the factories are the property of Chinese people. After the prices 
” the cil had gone up (since 1912), more citronella grass has been grown and the 
natives are also beetinins to dedicate themselves. to the distillation. - 
a 8) 1 picul = about 56 kilos. — 2-1 bouw =: about 7100 sq, m. 
a eres Rete A eens ! i 
ae iy ae 
é . 
- Aro Z 25% 
Ps 
