Table 2. Concentration of the abundant volatile compound in 40 accessions of C. citratus.

Sr. No	RT	Compounds name	% Peak area range	Molecular formula	Molecular weight g/mol
1	4.15	Toluene	8.36 ± 0.07	C7H8	92.14
2	12.15	α-Pinene	15.57 ± 0.82	C10H16	136.23
3	14.41	5-Hepten-2-one, 6-methyl	5.4 ± 0.68	C8H14O	126.2
4	22.03	Citronellal	6.46 ± 0.91	C10H18O	154.25
5	23.10	Limonene oxide	5.67 ± 0.08	C10H16O	152.23
6	27.57	Verbenol	22.84 ± 0.24	C10H16O	152.23
7	28.49	Geranial	5.04 ± 0.08	C10H16O	152.23
8	29.76	Citral	27.73 ± 1.92	C10H16O	152.23
9	30.44	Neral	21.31 ± 0.23	C10H16O	152.23
10	30.84	Linalool	5.65 ± 0.13	C10H18O	154.25
12	30.98	Thymol	1.08 ± 0.09	C10H14O	150.22
13	32.12	Neric acid	10.93 ± 0.43	C10H16O2	168.23
14	33.07	Geranyl acetate	15.65 ± 0.43	C12H20O2	196.29
15	34.17	β-Farnesene	1.65 ± 0.07	C15H24	204.35
16	35.23	Humelene	1.08 ± 0.06	C15H24	204.35
17	36.67	Methyleugenol	11.19 ± 0.65	C11H14O2	178.23
18	36.72	2-Tridecanone	3.17 ± 0.09	C13H26O	198.34
19	37.14	Verbenone	14.37 ± 0.84	C10H14O	150.22
20	41.61	β-Caryophyllene	7.29 ± 0.45	C15H24	204.35
21	43.23	Selina-6-en-4-ol	2.34 ± 0.05	C15H26O	222.37
23	42.41	Globulol	5.34 − 0.23	C15H26O	222.37
22	44.50	Cadinol	2.56 ± 0.12	C15H26O	222.37
23	53.90	n-Hexadecanoic acid	0.82 ± 0.06	C16H32O2	256.42
24	58.04	Phytol	3.25 ± 0.08	C20H40O	296.5
25	59.11	TransGeranylgeraniol	2.34 ± 0.42	C20H34O	290.5
26	61.70	Methyl-Camphorsulfonates	4.73 ± 1.02	C11H18O4S	246.33
27	63.98	Elsholtzia ketone	1.19 ± 0.05	C10H14O2	166.22