Table 2.

GC–MS analysis of L. leonurus flower solvent extracts

Componenta	Chemical formulab	RTc	Compositiond (%)			QAe
			Acetone extract	Ethanol extract	Chloroform extract
2,6-Dimethyl-3-ethyl-pyridine	C9H13N	16.002	4.84	–	–	84
2-Tetradecene	C14H28	29.302	–	–	6.01	98
2.5-bis(1,1-dimethylethyl) phenol	Un	34.281	–	–	11.31	95
2-Tetradecene, Cetene	C14H28	37.123	–	–	11.31	98
1-Octadecene	CH3(CH2)15CH=CH2	44.427	–	–	14.16	96
3- Eicosene	C20H40	50.970	–	–	12.82	96
Phytol	C20H40O	54.526	0.24	2.17	–	99
1-Nonadecene	C19H38	56.967	–	–	10.75	99
1-Hexacosene	C26H52	57.929	–	10.75	–	95
Undulatine	C18H21NO5	61.040	–	–	8.02	99
Cyclotetracosane	C24H48	62.49	–	–	9.74	98

Ui unidentified, Un unknown

^aComponent/compound

^bChemical formula

^cRetention time

^dComposition in percentage (%)

^eQuality assurance of GC/MS library