Ruta chalepensis L. Essential Oil Has a Biological Potential for a Natural Fight against the Pest of Stored Foodstuffs: Tribolium castaneum Herbst

Table 2

Chemical composition of the essential oil of Ruta chalepensis L.

No.	TR (min)	Constituent	IK	%
1	12.78	2-Nonanone	1028	0.2
2	13.17	Nonanal	1082	0.28
3	14.73	Geijerene	1087	0.43
4	15.95	1-Nonanol	1099	0.09
5	16.46	2-Decanaone	1162	5.12
6	16.80	Decanal	1285	0.05
7	20.34	2-Undecanone	1293	64.35
8	23.19	2-Dodecanone	1361	4.52
9	24.46	2-Hexanone 6-phenyl	1372	0.14
10	26.25	2-Tridecanone	1485	2.36
11	28.33	2-Tetradecanone	1491	0.13
12	30.65	Decipidone	1522	3.9
13	34.36	Piperonyl piperazine	1567	11.9
14	35.87	2-Pentadecanone	1601	0.13
15	36.86	Cyclononasiloxane octadecamethyl	1609	0.17
16	38.71	n-Hexadecanoic acid	1634	0.14
17	40.05	Octadecane	1657	0.6
18	40.66	Cyclodecasiloxane eicosamethyl	1673	0.5
19	41.66	Levoglucosan	1698	0.76
20	44.60	Tetracosane	1751	0.16
Total				95.93

TR: retention time (min), IK: Kováts index.