Table-1.

Chemical constituent of citronella essential oil from GC-MS analysis.

No.	Chemical	Molecular formula	% of peak area	Retention time (min)
1	Citronellal	C10H18O	23.38	8.95
2	δ-Cadinene	C15H24	12.25	28.39
3	Geraniol	C10H18O	9.09	13.78
4	Germacrene-D	C15H24	7.90	26.03
5	Elemol	C15H26O	7.55	30.31
6	Citronellol	C10H20O	5.21	12.51
7	β-Elemene	C15H24	5.20	20.89
8	γ-Cadinene	C15H24	2.63	28.00
9	α-Muurolene	C15H24	2.45	27.25
10	cis-2,6-Dimethyl-2,6-octadiene	C10H18	2.33	19.03
11	Isopulegyl acetate	C12H20O2	2.17	4.76
12	α-Cadinol	C15H26O	2.05	36.35
13	Valencene	C15H24	1.92	27.51
14	Carvestrene	C10H16	1.90	20.71
15	γ-Eudesmol	C15H26O	1.34	34.95
16	Isoledene	C15H24	1.32	31.73
17	α-Eudesmol	C15H26O	1.18	36.20
18	Isopulegol	C10H18O	1.16	8.77
19	D-Longifolene	C15H24	1.11	37.13
20	α-Amorphene	C15H24	0.95	25.79
21	γ-Muurolene	C15H24	0.83	35.59
22	Neoiso (iso) pulegol	C10H18O	0.62	9.15
23	β-Cadinene	C15H24	0.61	29.39
24	Eugenol	C10H12O2	0.58	19.47
25	β-Bourbonene	C10H24	0.49	20.37
26	α-Selinene	C15H24	0.42	26.89
27	(+)-2-Carene	C10H16	0.32	6.94
28	α-Gurjunene	C15H24	0.30	26.45
29	Bicyclo[4.4.0]dec-1-ene, 2-isopropyl-5-methyl-9-methylene-	C15H24	0.30	26.60
30	α-Humulene	C15H24	0.26	24.46
31	(+)-Epi-bicyclosesquiphellandrene	C15H24	0.25	24.92
32	Cadina-1,4-diene	C15H24	0.25	29.16
33	α-Elemene	C15H24	0.23	25.57
34	trans-Caryophyllene	C15H24	0.16	22.36
35	Aromadendrene	C15H24	0.15	27.10
36	α-Terpinolene	C10H16	0.10	6.37

GC-MS=Gas chromatography-mass spectrometry