Table 1.

Chemical composition of ROEO

Peak number	Compounda	RTb	RIc	Area percentage (%)*
1	γ-Terpinene	6.74	1038	7.56
2	α-Terpinolene	7.07	1047	2.46
3	Camphene	7.28	1052	12.78
4	β-pinene	7.98	1070	12.30
5	1,8-cineole	10.13	1134	23.56
6	Sabinene	10.68	1153	0.49
7	Allyltoluene	11.15	1170	0.30
8	α-Pinene	11.41	1179	1.20
9	Linalool-L	12.02	1201	3.21
10	Camphor	12.83	1240	12.55
11	Pinocarvone	13.38	1267	0.84
12	Borneol	13.55	1275	2.53
13	Terpinene-4-ol	13.86	1290	1.23
14	Cryptone	14.05	1299	0.30
15	Myrtenol	14.43	1310	1.14
16	Verbenone	14.70	1317	0.81
17	Carveol	14.89	1323	0.19
18	Carvone	15.47	1339	0.48
19	Bornylacetate	16.63	1371	3.28
20	α-Cubebene	18.13	1415	0.22
21	α-Ylangene	18.70	1434	0.27
22	α-Copaene	18.85	1439	0.87
23	Sobrerol	19.23	1452	0.27
24	Eugenolmethylether	19.61	1464	016
25	Caryophyllene	20.05	1479	2.80
26	Germacrene-D	20.18	1483	0.19
27	Aromadendrene	20.43	1492	0.27
28	α-Caryophyllene	20.80	1505	0.67
29	α-Amorphene	21.35	1525	0.74
30	β-Selinene	21.57	1534	0.08
31	γ-Cadinene	21.76	1541	0.15
32	α-Muurolene	21.89	1546	0.17
33	β-Bisabolene	22.09	1553	0.14
34	γ-Cadinene	22.25	1559	0.34
35	Calamenene	22.44	1566	0.17
36	Caryophylleneoxide	24.12	1630	5.02
				99.9

^aCompounds listed in order of their elution from a DB-5MS column

^bRetention Time (minutes)

^cRetention Index calculated against C8-C26 n-alkanes for DB-5MS column

*only the two first decimal places are presented