Table 1.

Composition of the EO of A. wilhelmsii, identified by RI-MS*, relative to the literature

No.	Name of compound	RI	Relative  % in EO
1	2-Methyl-butyl-acetate	885	0.43
2	Heptanal	910	0.01
3	α-Thujene	926	0.81
4	α-Pinene	935	2.22
5	Camphene	952	8.31
6	Sabinene	978	0.64
7	β-Pinene	984	0.78
8	3-Octanone	989	0.32
9	α-Phellandrene	1010	0.27
10	α-Terpinene	1015	0.73
11	p-Cymene	1028	0.81
12	1,8-Cineol	1034	11.42
13	Phenylacetaldehyde	1039	0.18
14	γ-Terpinene	1056	0.64
15	cis-Sabinene-hydrate	1064	0.16
16	trans-Linalool oxide	1076	0.29
17	Terpinolene	1086	0.31
18	α-Pinene oxide	1094	0.19
19	Linalool	1105	12.0
20	cis-Thujone	1108	0.21
21	Hotrienol	1111	0.25
22	Isopentyl isovalerate	1113	0.03
23	α-Thujone	1119	0.12
24	α-Campholenal	1123	0.32
25	Allo-Ocimene	1129	0.12
26	Isopinocarveol	1130	0.11
27	trans-Sabinol	1137	0.24
28	Camphor	1140	3.71
29	p-Menth-3-en-8-ol	1144	0.4
30	neo-3-Thujanol	1149	0.01
31	trans-β-Terpineol	1158	0.38
32	Borneol	1162	0.42
33	n-Nonanol	1166	0.01
34	4-Terpineneol	1170	0.37
35	para-Methyl-acetophenone	1175	0.12
36	para-Cymen-8-ol	1180	0.14
37	α-Terpineol	1185	2.11
38	Myrtenol	1190	0.21
39	Verbenone	1204	0.26
40	Farganol	1209	1.01
41	trans-Carveol	1218	0.12
42	Dihydrocarvone	1228	13.23
43	Pulegone	1248	2.82
44	Bornyl acetate	1252	1.14
45	Thymol	1288	5.28
46	Carvacrol	1328	22.49
47	Verbanol acetate	1369	0.25
48	cis-Jasmone	1398	0.04
49	Neryl isobutyrate	1467	0.38
50	Menthyl isovalerate	1532	0.42
51	Caryophyllene oxide	1549	0.08
52	Elemol	1568	0.01

RI retention indices relative to C6–C24 n-alkanes on the DB-5 column; MS mass spectrum (as indicated by the Wiley 7n.L Mass Spectral Library)