Table 1.

Chemical composition of essential oil of Ferulago carduchorum

No.	Component	RTa	RIb	Composition (%)
1	α-Pinene	10.133	937	18.23
2	Camphene	10.403	946	1.63
3	Verbenene	10.485	958	Trace
4	β-Pinene	11.443	971	1.81
5	Myrcene	12.306	989	3.15
6	α-Phellandrene	12.697	997	0.4
7	p-Cymene	13.654	1017	0.21
8	o-Cymene	13.500	1020	0.61
9	δ-3-Carene	13	1029	0.25
10	β-Phelandrene	13.819	1031	2.07
11	(Z)-β-Ocimene	14.969	1045	43.3
12	(E)-β-Ocimene	15.47	1055	2.71
13	γ-Terpinene	16.807	1062	1.82
14	Terpinolene	16.917	1088	0.16
15	Linalool	17.236	1100	0.16
16	1,3,8- para-Menthatriene	18.155	1115	Trace
17	allo-Ocimene	18.744	1129	2.29
18	cis-Verbenol	18.904	1135	0.26
19	neo-allo-Ocimene	18.799	1150	Trace
20	trans-Verbenol	19.162	1156	1.01
21	p-Mentha-1,5-dien-8-ol	20.043	1165	0.39
22	4-Terpineol	20.516	1170	0.13
23	α –Terpineol	21.159	1180	0.06
24	Dodecane	22.234	1200	1.02
25	Bornyl acetate	25.446	1277	3.98
26	α - Cubebene	33.892	1366	2.65
27	α -Ylangene	31.025	1370	0.16
28	α -Copaene	29.649	1378	0.36
29	β–Bourbonene	29.952	1382	0.43
30	β -Cubebene	30.156	1389	0.14
31	β -Elemene	30.271	1399	0.14
32	α -Gurjunene	36.654	1421	0.32
33	γ -Elemene	31.944	1428	0.1
34	Aromadendrene	31.306	1433	0.31
35	α -Humulene	32.659	1446	Trace
36	trans-β-Farnesene	33.017	1452	Trace
37	Germacrene-D	33.198	1475	Trace
38	Bicyclogermacrene	34.431	1498	0.68
39	β - Bisabolene	35.047	1500	0.15
40	δ-Cadinene	35.482	1513	0.5
41	Spathulenol	37.424	1568	0.71
42	Salvial-4(14)-en-1-one	37.754	1589	Trace
43	α-Cadinol	39.862	1650	Trace
Total				92.3
Monoterpenes hydrocarbons				78.64
Monoterpenes oxygenated				5.99
Sesquiterpenes hydrocarbons				5.94
Sesquiterpenes oxygenated				0.71
Nonterpenoids				1.02

Notes

^aRetention time,

^bRI Retention Index on HP-6890 with reference to nalkanes injected after the oil at the same chromatographic conditions.