Table 1. Chemical Composition (%) of the Methanol Extract of I. verum Determined by GC-MS.

s. no	name of the compounds	molecular formula	retention time	percentage (%)
1.	anisaldehyde	C8H8O2	5.792	1.18
2.	anethole	C10H12O	6.127	25.33
3.	m-methoxybenzaldehyde	C8H8O2	6.183	17.82
4.	α-cubebene	C15H24	7.326	1.07
5.	anisylacetone	C10H12O2	7.391	2.33
6.	α-bergamotene	C15H24	7.742	1.38
7.	trans α bergamotene	C15H24	7.999	5.45
8.	(Z)-β-farnesene	C15H24	8.133	0.64
9.	β-sesquiphellandrene	C15H24	8.328	0.76
10.	1-methyl-4-(5-methyl-1-methylene-4-hexenyl)-1-cyclohexene	C15H24	8.898	1.58
11.	3-hydroxybenzoic acid	C7H6O3	9.174	11.39
12.	d-nerolidol	C15H26O	9.529	2.27
13.	p-methoxy-N-methyl-mandelic acid amide	C10H13N O3	9.894	1.67
14.	m-methoxymandelic acid	C9 H10 O4	9.983	2.01
15.	feniculin	C14H18O	10.996	7.44
16.	acetyleugenol	C12H14O3	1.440	0.91
17.	hexadecanoic acid	C16H32O2	13.992	5.22
18.	(Z)-6-pentadecen-1-ol	C15H30O	15.858	8.21
19.	tricyclo[4.3.1.0 2,5]decane	C10H16	15.925	2.19
20.	octadecanoic acid	C18H36O2	16.084	1.13