Table 2.

GC/MS analysis of the composition of basil essential oil^a

No	Compound nameb	RT	Composition, %
1	Santolina triene	10.44	1.4
2	α-pinene	10.56	0.2
3	Camphene	10.62	0.2
4	Sabinene	10.85	0.1
5	β-Pinene	11.32	0.2
6	Myrcene	11.86	0.4
7	o-Cymene	12.86	0.1
8	Limonene	13.29	0.2
9	1,8-Cineole	13.52	0.8
10	(Z)-β-Ocimene	13.77	0.1
11	(E)-β-Ocimene	14.04	1.7
12	cis-Sabinene hydrate	14.67	0.2
13	cis-Linalool oxide	15.02	0.1
14	Terpinolene	15.23	0.1
15	Linalool	16.03	53.9
16	Camphor	16.84	0.4
17	Menthone	17.63	0.4
18	iso-Menthone	18.32	0.2
19	Menthol	18.67	1.3
20	Terpinen-4-ol	18.88	0.1
21	α-Terpineol	19.29	0.1
22	Methyl chavicol	19.74	12.63
23	Geraniol	20.21	1.1
24	Geranial	21.84	0.1
25	Bornyl acetate	22.39	0.2
26	Menthyl acetate	22.69	0.1
27	δ-Elemene	23.95	0.2
28	α-Cubebene	24.52	0.1
29	Eugenol	25.34	0.1
30	α-Copaene	25.56	0.4
31	Geranyl acetate	25.84	0.1
32	β-Elemene	26.14	3.47
33	α-Cedrene	26.56	0.1
34	(E)-Caryophyllene	26.97	0.7
35	β-Gurjunene	27.09	0.1
36	α-trans-Bergamotene	27.22	0.7
37	α-Guaiene	27.39	1.8
38	cis-Muurola-3,5-diene	27.74	0.1
39	α-Humulene	27.96	0.6
40	cis-Cadina-1(6),4-diene	28.12	0.5
41	β-Acoradiene	28.33	0.1
42	γ-Muurolene	28.81	3.7
43	β-Selinene	28.94	0.4
44	Aciphyllene	29.31	1.2
45	Aciphyllene	29.61	3.2
46	γ-Cadinene	29.83	1.7
47	δ-Cadinene	29.91	0.4
48	trans-Cadina-1,4-diene	30.19	0.1
49	α-Cadinene	30.48	0.1
50	(E)-Nerolidol	30.96	0.1
51	Spathulenol	31.58	0.1
52	1,10-di-epi-Cubenol	32.58	0.4
53	epi-α-Cadinol	33.51	1.9
54	β-Eudesmol	33.71	0.1
55	Total identified (%)		98.8

^aCompound identified by GC/MS and/or by comparison of MS and LRI of standard compounds (ST) under the same conditions

^bThe compounds are listed according to their concentration order. Linear retention index relative to n-alkanes (C7-C20) on DB-5 column