Impact of essential oils on seed quality and seed-borne pathogens of Althea officinalis seeds of different ages

Chemical and Biological Technologies in Agriculture

Table 4 Chemical composition of oregano Eo

RT (min)	Compound	Molecular formula	RI^exp	RI^lit	%
22.48	Carvacrol	C10H14O	1291	1298	77.9
9.83	p-Cymene	C10H14	1025	1020	10.5
12.88	Linalool	C10H18O	1095	1095	2.4
26.11	(E)-Caryophyllene	C15H24	1410	1417	1.9
6.78	α-Pinene	C10H16	930	932	1.3
8.51	Myrcene	C10H16	984	988	1.3
11.03	γ-Terpinene	C10H16	1046	1054	1.3
9.96	1,8-Cineole	C10H18O	1029	1026	0.9
32.69	Caryophyllene oxide	C15H24O	1579	1582	0.8
15.75	Borneol	C10H18O	1169	1165	0.5
16.85	α-Terpineol	C10H18O	1195	1186	0.5
9.45	α-Terpinene	C10H16	1013	1014	0.4
8.11	Sabinene	C10H16	972	969	0.3
7.24	Camphene	C10H16	945	946	tr
9.90	Limonene	C10H16	1027	1024	tr
14.53	Camphor	C10H16O	1140	1141	tr
18.79	Thymol, methyl ether	C11H16O	1240	1232	tr
27.52	α-Humulene	C15H24	1445	1452	tr
Total identified					100

RT retention time, RI^lit retention indices according to the literature, RI^exp experimentally determined retention indices using a homologous series of n-alkanes (C₈‒C₂₀) on the HP‒5MS column, tr—traces