Table 1.

List of compounds identified from chloroform extract of I. cylindrica underground parts using GC-MS

Sl. no	Retention time (min)	Compound	Formula	Molecular weight (Da)	Abundance (%)
1.	10.38	3,5-Bis (1,1-dimethylethyl)-4-hydroxy benzenepropanoic acid, octadecyl ester	C36H62O3	530	1.1
2.	15.31	13-Heptadecyn-1-ol	C17H32O	252	1.1
3.	18.42	6-Methylenebicyclo [3.2.0] hept-3-en-2-one	C8H8O	120	1.0
4.	23.14	2-Methoxy-4-vinylphenol	C9H10O2	150	1.0
5.	23.55	3-(Chloroacetoxy)-4-methoxy benzaldehyde	C10H9CIO2	228	1.9
6.	25.80	2-Octyl cyclopropanetetradecanoic acid, methyl ester	C26H50O2	394	1.2
7.	26.63	2,4-Di-tert-butylphenol	C14H22O	206	11.0
8.	28.49	9-Hexadecen-1-ol	C16H32O	240	9.7
9.	28.68	2,2,4-Trimethyl-1,3-pentanediol diisobutyrate	C16H30O4	286	4.2
10.	32.22	(E)-4-(3-Hydroxyprop-1-en-1-yl)-2-methoxyphenol	C10H12O3	180	1.2
11.	32.93	Palmitic acid, methyl ester	C17H34O2	270	9.5
12.	36.55	Palmitic acid (hexadecanoic acid)	C16H32O2	256	15.5
13.	36.94	L-Methionyl-D-glutaminyl-D-methionyl-L-asparaginyl-L-lysyl-L-valyl-L-leucyl-D-α-aspartyl-L-serine	C43H76N12O15S21	1064	7.0
14.	38.24	Methyl 9-cis, 11 trans-octadecadienoate	C19H34O2	294	2.5
15.	39.69	(Z)-18-Octadec-9-enolide	C18H32O2	280	11.8
16.	40.17	Octadecanoic acid	C18H36O2	284	10.9
17.	40.60	Heptacos-1-ene	C27H54	378	3.6
18.	43.48	Octadecanoic acid, ethyl ester	C25H42O2	374	1.7
19.	46.46	Diisooctyl phthalate	C24H38O4	390	7.7
20.	49.38	17α,21β-28,30-Bisnorhopane	C28H48	384	1.5
21.	50.80	Campesterol	C28H48O	400	1.4
22.	51.56	Stigmasterol	C29H48O	412	1.4