Table 1.

Chemical constituents of KWM-EO determined by GC×GC-TOF MS.

	Chemical Compound	CAS no.a	RT1b	RT2c	KIexpd	KILite	Relative Percentage (%)
1	α-Pinene	7785-70-8	6.27	0.0245	936	929	10.49
2	β-Pinene	127-91-3	7.00	0.0250	981	973	15.41
3	β-Myrcene	123-35-3	7.20	0.0243	992	993	4.86
4	β-Cymene	535-77-3	7.73	0.0253	1027	1031	3.07
5	Eucalyptol	470-82-6	7.93	0.0258	1040	1041	12.87
6	β-Ocimene	3338-55-4	8.07	0.0245	1049	1036	22.18
7	Linalool	78-70-6	8.87	0.0262	1097	1101	0.25
8	Menthone	89-80-5	9.80	0.0325	1160	1154	0.04
9	Menthofuran	494-90-6	9.93	0.0267	1169	1169	0.04
10	Levomenthol	2216-51-5	10.07	0.0277	1178	1172	0.05
11	p-Menth-8-en-2-one	5948-4-9	10.60	0.0330	1213	1218	0.07
12	Carveol	1197-07-5	10.73	0.0272	1222	1223	0.13
13	Carvone	6485-40-1	11.13	0.0327	1251	1249	1.59
14	Linalyl acetate	115-95-7	11.20	0.0270	1256	1257	0.08
15	Dihydroedulan I	63335-66-0	11.87	0.0258	1302	1292	0.28
16	β-Bourbonene	5208-59-3	13.13	0.0250	1396	1386	0.78
17	Caryophyllene	87-44-5	13.60	0.0258	1434	1431	2.80
18	Humulene	6753-98-6	14.00	0.0318	1466	1465	0.29
19	Ethyl 4-ethoxybenzoate	23676-09-7	14.73	0.0302	1524	1521	2.37
20	Viridiflorol	552-02-3	15.73	0.0272	1608	1603	3.47
Monoterpene hydrocarbons identified							56.01
Oxygenated monoterpene identified							15.86
Sesquiterpene hydrocarbon identified							3.87
Oxygenated sesquiterpene identified							3.47
Other							2.56
Identified components							81.86

^a Chemical abstracts service registry number; ^b Retention time of the first column; ^c Retention time of the second column; ^d KI_exp = Kovats indices, retention indices relative to C₇–C₃₀ n-alkanes based on the retention time of components separated by the 1st dimension Rtx-5MS column; ^e KI_Lit: Retention indices reported in the literature.