Table 3.

Chemical compositions of the Citrus aurantifolia essential oil.

No.	Compounds	Retention time (min)	Retention index∗	Composition (%)	Quality
1	Thujene	8.087	928	0.45	91
2	α-Pinene	8.390	936	1.55	98
3	Camphene	9.059	953	0.04	96
4	Sabinene	9.548	966	0.29	91
5	β -Pinene	9.790	972	11.41	97
6	β-Myrcene	10.569	992	0.92	91
7	α-Phellandrene	11.369	1012	0.04	91
8	α-Terpinene	11.824	1022	0.23	96
9	D-Limonene	12.575	1039	62.95	98
10	γ -Terpinene	13.741	1065	13.30	96
11	Terpinolene	14.858	1091	0.43	97
12	β-Linalool	15.829	1111	0.19	80
13	Terpinen-4-ol	19.581	1194	0.24	93
14	α-Terpineol	20.422	1212	0.45	72
15	cis-Geraniol	21.532	1236	0.26	93
16	β-Citral	22.091	1249	0.55	87
17	α-Citral	23.47	1279	0.74	97
18	δ-Elemene	26.042	1337	0.06	98
19	α-Bergamotene	29.435	1416	0.07	98
20	Caryophyllene	29.821	1425	0.39	99
21	α-trans-Bergamotene	30.255	1436	0.80	91
22	Terpinolene	14.858	1091	0.43	97
23	β-Linalool	15.829	1111	0.19	80
24	Terpinen-4-ol	19.581	1194	0.24	93
25	α-Terpineol	20.422	1212	0.45	72

^∗ Retention index relative to n-alkanes (C8-C40) on the Mega-5MS column. The bold values indicate the representative data of the major compound.