PHILIPPINE TERPENES AND ESSENTIAL OILS, IV. 



By Raymond F. Bacon. 

 [From the Chemical Laboratory, Bureau of Science, Manila, P. I.) 



The following notes on various Philippine oils represent such data 

 as have accumulated since my last publication on this subject. 1 



OIL OF CINNAMOMUM MINDANAEXSE ELMER. 



A certain quantity of the bark of this tree was collected by Mr. Elmer 

 in the hills behind Davao, Mindanao. It is fairly common in that region. 

 The tree is very close to Cinnamomum zeylanicum Nees and the bark 

 in appearance, taste, and odor is just like the cinnamon of commerce. 

 Fifty kilos of the ground baric were distilled with steam, yielding 200 

 grams of oil of a yellow color and of a strong cinnamon odor and taste. 



This probably does not represent by any means all of the oil which 



it is possible to obtain by commercial distillation from this bark, the 



proportion being less because of the small amount of material at 



my disposal. The oil had the following properties: Refractive index, 



30° 30° 30° 



N -=r- 1.5300; optical rotation, A -~-.7.°9; specific gravity, ~™ 0.960. 



Ten grams of the oil gave 9.2 grams of the dry sodium bisulphite 

 compound of cinnamic aldehyde, corresponding to an aldehyde content 

 of approximately 60 per cent. 



This oil does not agree very closely in its physical properties with 

 the Ceylon cinnamon oil from O. zeylanicum. 



OIL FROM CANARITJM VILLOSUM F. TILL. 



In a previous publication 2 on this subject I mentioned the oil from 

 the resin of this tree, known locally as pagsainguim, and stated that it 

 consisted principally of paracymol; this has also been confirmed by 

 Schimmel and Company on a sample sent to them by this laboratory. 



In November, 1909, 3.5 kilos of resin were collected from one tree 

 near Lamao, Bataan Province. The volatile oil was distilled from (he 



1 This Journal. Sec. A. (1909), 4, 93. 

 - This Journal, Sec. A (1909), 4, 94. 



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