Table 1.

Chemical compositions of ZCO.

RT	Constituent	Area %	KIa	Identifi
				cationb
19.36	α -Thujene	0.59	917.77	MS, KI
20.17	(-)-α-Pinene	16.56	923.62	MS, KI
22.22	Camphene	0.06	938.43	MS, KI
25.24	Sabinene	10.81	960.24	MS, KI
26.01	β-Pinene	0.30	965.80	MS, KI
27.98	β-Myrcene	0.32	980.03	MS, KI
34.76	o-Cymene	3.56	1029.00	MS, KI
35.62	Limonene	2.63	1035.21	MS, KI
35.91	β-Phellandrene	3.15	1037.31	MS, KI
37.39	β-Ocimene	24.48	1048.00	MS, KI
39.15	α -Ocimene	2.40	1060.71	MS, KI
40.82	γ-Terpinene	0.17	1072.77	MS, KI
42.21	Sabinene hydrate	0.07	1082.81	MS, KI
42.62	α-Pinene oxide	0.39	1085.77	MS, KI
43.56	Terpinolene	0.07	1092.56	MS, KI
44.27	3-Methyl-2-(3-methylbut-2-enyl)-furan	0.15	1097.69	MS, KI
44.80	Linalool	10.09	1103.31	MS, KI
45.95	Camphor	0.07	1121.42	MS, KI
46.52	cis-ρ-Menth-2-en-1-ol	0.48	1130.39	MS, KI
46.70	(4E,6Z)-Alloocimene	0.69	1133.23	MS, KI
47.52	β-Pinene oxide	0.18	1146.14	MS, KI
47.69	p-Menth-3-en-1-ol	0.46	1148.82	MS, KI
50.04	4-Carvomenthenol	11.61	1185.83	MS, KI
50.65	4-Isopropyl-2-cyclohexenone	0.64	1195.43	MS, KI
51.07	α -Terpineol	1.74	1201.69	MS, KI
52.09	p-Pent-1-en-3-ol,cis-(+)-	0.26	1217.95	MS, KI
53.14	Ascaridole	0.13	1228.61	MS, KI
57.77	Bornyl acetate	0.05	1288.82	MS, KI
58.70	Limonene dioxide	0.02	1301.19	MS, KI
64.33	β-Elemene	0.10	1396.61	MS, KI
67.00	Humulene	0.02	1461.44	MS, KI
67.51	α-Farnesene	0.20	1461.44	MS, KI
68.18	α-Muurolene	0.03	1490.80	MS, KI
69.55	(+)-δ-Cadinene	0.19	1531.75	MS, KI
71.79	β-Caryophyllene oxide	0.45	1603.38	MS, KI
73.48	τ-Muurolol	0.18	1666.92	MS, KI
73.80	(-)-α-Cadinol	0.49	1678.95	MS, KI

^aKovats index on a DB-5 column in reference to n-alkanes. ^bMS, NIST/EPA/NIH Mass Spectral Library; KI, Kovats index.