Table 1.

Chemical composition of the essential oils of fennel cultivars.

Name of Compound	CAS #	tR	KI	ID #	Foeniculum vulgare
					azoricum	dulce	vulgare
α-Pinene	80-56-8	14.56	937	1	1.65	3.26	3.61
Camphene	79-92-5	15.25	953	2	0.08	0.30	0.19
Sabinene	3387-41-5	16.13	973	3	0.39	0.27	0.56
β-Pinene	127-91-3	16.35	981	4	0.12	0.14	0.21
Myrcene	123-35-3	16.72	991	5	0.18	0.66	0.32
α-Phellandrene	99-83-2	17.43	1005	6	0.11	0.18	0.11
o-Cymene	527-84-4	18.13	1020	7	0.46	0.38	0.71
Limonene	138-86-3	18.32	1034	8	12.53	27.78	20.64
Eucalyptol	470-82-6	18.44	1039	9	2.05	0.90	1.93
γ-Terpinene	99-85-4	19.35	1059	10	0.24	0.06	0.38
Fenchone	1195-79-5	20.54	1094	11	7.99	12.77	7.22
Linalool	598-07-2	21.73	1099	12	0.29	0.09	0.11
Camphor	76-22-2	22.60	1143	13	0.13	0.18	0.29
Estragole	140-67-0	24.21	1195	14	11.99	6.34	57.94
Fenchyl acetate	4057-31-2	25.25	1220	15	0.13	0.06	0.21
Cumic aldehyde	122-03-2	25.92	1224	16	0.18	0.06	0
p-Anisaldehyde	123-11-5	26.20	1252	17	0.40	0.11	0.26
trans-Anethole	4180-23-8	26.96	1283	18	61.11	46.26	4.99