Table 1.

Chemical compositions of the essential oil of Araucaria heterophylla oleogum resin.

No	Compound name	Rt	% Area	RI	M+ peak	M.F	Base peak
1	( +)- Sabinene	4.30	12.07	980	136.2	C10H16	93.2
2	β-pinene	4.40	6.44	985	136.2	C10H16	93.2
3	β-Myrcene	4.56	0.88	997	136.3	C10H16	93.2
4	O-Cymene	5.29	1.70	1011	134.2	C10H14	119.2
5	D-limonene	5.39	11.22	1023	136.2	C10H16	68
6	α-Pinene oxide	6.95	5.18	1143	152.23	C10H16O	67.1
7	Cis-verbenol	7.23	4.39	1146	152.2	C10H16O	109.2
8	Trans-pinocarveol	8.00	1.23	1148	152.2	C10H16O	92.2
9	Trans-Verbenol	8.13	5.88	1151	152.2	C10H16O	109.2
10	(−)-Myrtenol	9.41	2.01	1188	152.23	C10H16O	79.2
11	Levoverbenone	9.66	2.89	1210	150.2	C10H14O	107.2
12	Limonene dioxide	11.11	1.52	1144	168.2	C10H16O2	67.1
13	5-Tridecene, (E)	11.83	0.62	1288	182.3	C13H24	55.2
14	Patchoulane	12.40	0.89	1189	206.36	C15H26	91.1
15	α-Copaene	13.94	8.00	1350	204.35	C15H24	105.1
16	β-bourbonene	14.14	2.06	1380	204.35	C15H24	81.2
17	Caryophyllene	15.03	10.36	1400	204.3	C15H24	93.1
18	Humulene	15.90	0.91	1442	204.2	C15H24	93.2
19	γ-Muurolene	16.39	3.49	1480	204.2	C15H24	161.2
20	γ-Cadinene	17.30	0.59	1510	204.35	C15H24	161.2
21	Caryophyllene oxide	18.18	14.82	1540	220.35	C15H24O	79.2
22	Germacra-4(15),5,10(14)-triene-1-α-ol	18.31	1.29	1577	220.35	C15H24O	131.2
23	Humulene oxide II	19.53	0.75	1600	220.35	C15H24O	67.1
24	( +)-Agathadiol	33.90	0.70	1634	306.48	C20H34O2	81.1
Total %		99.89%

Non oxygenated compounds	59.23%	Oxygenated compounds	40.66%
Monoterpenes	32.93%	Monoterpenoids	23.1%
Sesquiterpenes	26.3%	Sesquiterpenoids	16.86%
Diterpenes	–	Diterpenoids	0.70%

Oxygenated compounds	40.66%
Epoxide and dioxide	22.27%	Alcohols	15.50%	Ketone	2.89%

Significant values are in bold.

Rt (min) retention time, RI retention index, M.F. molecular formula.