Effects of Thymol and Carvacrol, Constituents of Thymus vulgaris L. Essential Oil, on the Inflammatory Response

Table 1

Percentual chemical composition of Thymus vulgaris leaves essential oil.

Retention time	Retention index^a	Compound	Percentual (%)	Identification
6.8	945	Solvente	—	MS^b
7.8	960	α-Pinene	1.9	MS, NMR^d
8.7	1022	p-Cymene	0.6	MS, NMR
9.9	1022	Limonene	0.6	MS, NMR
10.1	1028	γ-Terpinene	1.1	MS, NMR
11.3	1056	Linalool	0.2	MS, NMR
14.8	1143	Camphor	0.1	MS, NMR
15.7	1163	endo-Borneol	14.3	MS, NMR
16.2	1175	4-Terpineol	0.7	MS, NMR
16.8	1187	α-Terpineol	22.9	MS, NMR
19.1	1240^c	Carvacrol methyl ether	1.3	MS, NMR
21.0	1289^c	Thymol	0.9	MS, NMR
21.6	1297^c	Carvacrol	45.5	MS, NMR
24.8	1417	Geranyl acetate	0.3	MS, NMR
26.6	1417	Caryophyllene	3.2	MS, NMR
30.8	1580	Unknown	0.8	MS, NMR
33.2	1580	Caryophyllene oxide	2.9	MS, NMR
35.3	1637	Germacrene-D	1.8	MS, NMR
38.0	1708	Unknown	0.1	MS, NMR
Total identified			99.2

^aRI: Retention index relative to a homologous series of n-alkanes on the DB-5 capillary column.
^bMass spectrometry.
^cCalculated considering retention time of 22.65 minutes.
^dNuclear magnetic resonance.