Table 2.

Major volatile compounds detected in C. sativa ethanolic extract determined through GC-MS analysis.

Peak number	Retention time	Compound1	Kri-exp2	Kri-theo3	R.A (%)
1	6.86	Undecane	1090	1100	0.57
2	12.45	Nd	—	—	0.75
3	13.25	Neophytadiene	1843	1838	1.38
4	13.84	Palmitic acid methyl ester	1927	1924	5.96
5	14.53	Digitoxin	1967	N.A4	1.20
6	14.99	Nd	—	—	14.47
7	15.13	Methyl stearate	2130	2128	4.43
8	16.13	Nd	—	—	7.58
9	16.69	Nd	—	—	5.96
10	16.89	17-pentatriacontene	2531	N.A4	2.55
11	17.22	Nd	—	—	5.82
12	17.56	Nd	—	—	9.65
13	17.75	Heptacosane	2696	2700	6.11
14	18.29	Nd	—	—	4.67
15	18.65	Nd	—	—	5.80
16	18.89	Nd	—	—	4.04
17	19.16	Squalene	2842	2847	9.91
18	21.39	Nd	—	—	2.16
19	21.57	Nd	—	—	3.08
20	22.57	Nd	—	—	2.12
21	24.65	β-sitosterol	3200	3197	1.78

¹Compounds: these are listed in order of elution on an HP-5MS column; N.A: not available; ²Kri-exp: Kovats retention index on HP-5MS obtained experimentally; ³Kri-theo: Kovats retention index from the literature; ⁴Identification by comparison with mass fragmentation patterns from the literature; R.A: relative amounts (%) were obtained by peak areas normalization.