Table 1.

The chemical compounds of Origanum majorana essential oil.

Peak no.	Compound	RT (min)	KI	Concentration (%)
1	Thujene	6.337	930	0.60
2	α-Pinene	6.568	939	0.77
3	Sabinene	8.011	975	6.21
4	β- Pinene	8.099	979	0.31
5	β- Myrcene	8.679	991	1.49
6	α- Phellandrene	9.172	1003	0.24
7	α -Terpinene	9.727	1017	7.98
8	ρ-Cymene	10.035	1025	2.32
9	β - Phellandrene	10.215	1030	2.64
10	γ-Terpinene	11.586	1060	12.88
11	cis-Sabinene hydrate	11.909	1070	2.92
12	α-Terpinolene	12.808	1089	3.36
13	trans-Sabinene hydrate	13.393	1098	8.47
14	(E)-p-Menth-2-en-1-ol	14.328	1140	2.25
15	Terpinene-4-ol	17.132	1177	32.69
16	α-Terpineol	17.599	1189	5.25
17	trans- Piperitol	18.333	1208	0.83
18	Linalyl acetate	20.881	1257	0.93
19	Neryl acetate	26.524	1362	0.18
20	trans-Caryophyllene	27.746	1418	2.31
21	α- Humulene	28.969	1455	0.12
22	Bicyclogermacrene	30.494	1494	1.60
23	Spathulenol	33.128	1578	0.16
24	Caryophyllene oxide	33.272	1583	0.31
Total				96.82