Potential Antiproliferative Activity and Evaluation of Essential Oil Composition of the Aerial Parts of Tamarix aphylla (L.) H.Karst.: A Wild Grown Medicinal Plant in Jordan

Table 2

Chemical composition of the EO hydrodistilled from Jordanian T. aphylla (Amman, Jordan) as analyzed by GC-MS.

No.	Rt.	RI Lit.	RI Exp.	Compound	% content
1	8.971	1022	1021	o-cymene	Tr.
2	10.204	1054	1053	γ-terpinene	0.37
3	12.069	1099	1102	cis-decahydronaphthalene	1.44
4	12.152	1101	1104	α-thujone	0.57
5	16.369	1200	1203	cis-4-caranone	0.63
6	16.899	1217	1215	β-cyclocitral	0.31
7	21.284	1315	1316	2E,4E-decadienal	0.67
8	23.757	1373	1374	β-E-damascenone	0.81
9	25.099	1408	1406	dodecanal	1.35
10	26.619	1444	1443	neryl acetone	2.82
11	27.856	1477	1473	-ionone	13.74
12	28.051	1489	1478	cis-eudesma-6,11-diene	0.32
13	29.251	1508	1508	farenal	1.02
14	29.399	1509	1512	tridecanal	2.39
15	29.656	1521	1518	β-sesquiphellandrene	1.20
16	31.423	1565	1563	dodecanoic acid	6.00
17	31.807	1579	1573	n-hexyl benzoate	1.69
18	33.196	1611	1609	tetradecanal	0.75
19	35.324	1668	1666	14-OH-9-epi-E-caryophyllene	2.16
20	35.567	1672	1673	5-isocedranol	0.81
21	36.01	1685	1685	ishwarone	0.76
22	36.454	1700	1697	n-heptadecane	0.92
23	36.972	1713	1711	2E,6Z-farnesal	0.74
24	38.818	NA	1763	tetradecanoic acid	3.35
25	38.971	1767	1768	α-muurolen-15-al	2.27
26	39.996	1800	1797	octadecane	0.97
27	40.561	1816	1813	2E,6E-farnesoic acid	0.57
28	41.424	1845^g	1839	6,10,14-trimethyl-2-pentadecanone	32.39
29	42.776	1886	1879	5E,9Z-farnesyl acetone	1.64
30	43.381	1900	1897	nonadecane	1.07
31	43.624	1913	1904	5E,9E-farnesyl acetone	2.82
32	43.932	NA	1913	14Z-Methyl-8-hexadecenal	2.48
33	44.177	1921	1921	methyl hexadecanoate	0.72
			Monoterpenes (MT)		7.62
			Hydrocarbon MT: No. 1-3		1.81
			Oxygenated MT: No. 4-8,10		5.81
			Sesquiterpenes (ST)		28.05
			Hydrocarbon ST: No. 12,15		1.52
			Oxygenated ST: No. 11,13,19-21,23,25,27,29,31		26.53
			Nonterpenoid nonaromatic compounds: No. 9,14,16,18,22,24,26,28,30,32,33		52.39
			Nonterpenoid aromatic compounds: No. 17		1.69
			Total Identified %		89.75

Notes: compounds are listed in order of their elution times from a DP-5 column. : retention time; : literature RI¹³; : experimental RI relative to (C8-C20) n-alkanes; : the percentage composition based on peaks areas; : traces: below 0.1 % content; : RI value not available in literature; : reference [13]. Compounds in bold are the major (≥ 4%).