Table 1.

Chemical composition of essential oil of Coriandrum sativum L. extracted by hydrodistillation and microwave distillation

No.	Compound	RT a(HD)	RT (MW)	RI b(HD)	RI (MW)	%HD	%MW
1	α-Pinene	11.46	11.33	931	929	3.46	0.15
2	β-Pinene	13.40	–	971	–	0.63	–
3	β-Myrcene	14.24	–	989	–	0.27	–
4	Decene	–	14.76	–	1000	–	0.29
5	p-Cymene	15.98	15.95	1023	1015	2.94	0.30
6	γ-Terpinene	17.92	17.78	1062	1058	5.26	1.37
7	Linalool	22.15	21.51	1146	1133	66.29	63.27
8	Camphor	23.39	22.61	1171	1155	0.56	0.28
9	Citronella	23.51	22.89	1173	1161	0.21	0.24
10	Borneol	24.05	23.53	1185	1174	0.23	0.11
11	Terpineol-4-ol	24.47	24.02	1193	1184	0.30	0.18
12	α-Terpineol	25.00	24.64	1204	1196	0.53	0.11
13	Decanal	25.47	25.21	1214	1209	0.25	0.19
14	Citronella	26.53	26.39	1237	1234	0.54	0.51
15	Carvone	27.12	26.96	1249	1246	0.35	0.25
16	Geraniol	27.77	27.63	1264	1260	1.55	0.91
17	Decenal	–	27.77	–	1263	–	0.18
18	Decanol	28.33	–	1275	–	0.11	–
19	Bornyl acetate	–	28.87	–	1287	–	0.13
20	Undecanal	29.79	–	1307	–	0.08	–
21	Myrtenyl acetate	30.59	30.62	1325	1326	0.11	0.15
22	Citeral dimethoxy	31.77	31.86	1352	1354	0.10	0.19
23	Neryl acetate	32.24	32.35	1363	1365	0.12	0.17
24	Geranyl acetate	33.43	33.49	1390	1391	0.06	8.49
25	Dodecanal	34.17	34.30	1407	1415	0.12	0.34
26	Caryophyllene	34.72	34.82	1420	1427	0.08	0.15
27	Dodecenal	36.72	36.85	1469	1476	2.12	2.90
28	Dodecanoic acid	40.66	–	1567	–	0.08	–
29	Tetradecanol	44.40	44.67	1665	1672	0.12	0.26
30	Tetradecanoic acid	–	48.93	–	1790	–	2.89
31	Tetradecanoic acid ethyl ester	49.09	–	1665	–	4.56	–
32	Hexadecanoic acid	–	55.56	–	1990	–	4
33	Osthole	–	60.23	–	2144	–	1.29
	Monoterpenes hydrocarbons					12.56	1.82
	Monoterpenes oxygenated					70.95	74.99
	Sesquiterpenes hydrocarbons					0.08	0.15
	Others					7.44	12.16
	Total					91.03	89.3

^a RT retention time

^b RI retention index on HP-6890 with reference to n-alkanes injected after the oil at the same chromatographic conditions