Table 1.

The major chemical compositions in the essential oils of S. officinalis.

N	Compound name	Retention time (min.)	Retention time index	Formula	Molecular Mass (g mol−1)	Terpene type	Young leaf	Old leaf	Stem	O.S.S
							% Peak area	% Peak area	% Peak area
1	(−)-α-Pinene,	5.82	934	C10H16	136.23	Mono	2.14	1.96	0.35	S.L, S.A, S.F, S.C
2	Camphene-	6.48	941	C10H16	136.23	Mono	0.54	2.17	0.15	S.L, S.A, S.F, S.C
3	(±)-Sabinene	7.56	977	C10H16	136.23	Mono	0.37	0.16	—	S.L, S.A
4	beta.-Pinene	7.77	980	C10H16	136.23	Mono	6.23	3.19	1.28	S.L, S.A, S.F, S.C
5	1,8-cineole	11.29	1028	C10H18O	154.24	Mono	41.2	25.93	12.37	S.L, S.A, S.F
6	p-Menth-8-en-1-ol	15.47	1161	C10H18O	154.24	Mono	0.07	0.15	—
7	δ-Thujone,	15.68	1103	C10H16O	152.23	Mono	1.26	0.56	—
8	Thujone	16.31	1110	C10H16O	152.23	Mono	0.51	0.17	—	S.F
9	(−)-2-bornanone	17.69	1146	C10H18O	154.24	Mono	—	—	1.62	S.L, S.A, S.F, S.C
10	Camphor	17.70	1139	C10H16O	152.23	Mono	6.27	11.52	—	S.L, S.A, S.F
11	Terpinen-4-ol	19.33	1164	C10H18O	154.24	Mono	0.06	0.16	—	S.L, S.A, S.C
12	Bornyl acetate	23.54	1276	C17H24O4	196.28	Mono	0.24	1.40	0.51	S.F
13	α-Terpinenyl acetate	24.88	1341	C12H20O2	196.28	Mono	4.23	1.26	1.52
14	α-Gurjunene,	27.76	1409	C15H24	204.35	Sesqui	0.03	0.02	—	S.L, S.A
15	Isocaryophyllene	28.20	1409	C15H24	204.35	Sesqui	9.01	5.51	10.23	S.F
16	Beta.-copaene	28.60	1455	C15H24	204.35	Sesqui	0.02	0.01	—
17	α-caryophyllene	29.41	1442	C15H24	204.35	Sesqui	2.22	3.72	7.30	S.L, S.A
18	(−)-Germacrene D,	30.09	1482	C15H24	204.35	Sesqui	0.06	0.14	1.29
19	Gamma.-Elemene	30.73	1433	C15H24	204.35	Sesqui	0.8	—	0.36
20	Caryophyllene oxide	3.43	1573	C15H24	204.35	Sesqui	0.48	2.13	3.24	S.L, S.A, S.N
21	Geranyl-.alpha.-terpinene	39.88	2223	C20H32	272.46	Diter	0.06	0.03	—	S.L, S.A, S.F
22	Isoaromadendrene epoxide	40.79	1623	C15H24O	220.35	Sesqui	0.4	—	0.08	S.L, S.A
23	Beta.-ylangene	41.45	1421	C15H24	204.35	Sesqui	0.96	0.36	—
24	Labda-8(20), Biformene	42.35	2004	C20H32	272.46	Diter	0.17	0.25	—	S.L, S.A
25	Kaur-16-en-18-yl acetate	42.79	1997	C22H34O2	330.50	Diter	0.02	0.06	—
26	β-cis-Caryophyllene	43.82	1425	C15H24	204.35	Sesqui	0.02	0.03	—	S.F
27	Epimanool	45.80	2056	C20H34O	290.48	Diter	2.07	2.10	167
28	Humulane-1,6-dien-3-ol	50.99	1619	C15H26O	222.36	Sesqui	0.87	0.91	—
29	Ferruginol	52.11	2330	C20H30O	286.45	Diter	0.51	0.63	—
30	Sugiol	53.07	2659.9	C20H28O2	300.43	Diter	0.47	10.80	15.89
31	Totarol	60.84	2260	C20H30O	286.45	Diter	—	0.13	—
32	Squalene	74.12	2817	C30H50	410.71	Diter	—	0.16	—
33	2-methyloctacosane	79.90	2864	C29H60	408.78	Diter	0.12	0.23	0.65
	Total						89.29	91.54	85.27
Total Precentage of Monoterpenes							66.64	52.7	19.11
Total Precentage of Sesquiterpenes							15.87	15.01	23.12
Total Precentage of Triterpenes								0.16	0.02
Total Precentage of Diterpenes							1.4	14.18	19.53

Abbreviations: R.T: Retention Time, O.S.S: Other salvia species, SA: Salvia acetabulosa, S.L: Salvia leriifolia, S.F: Salvia fruticosa, S.N: Salvia nemorosa, S.C: Salvia compressa.