Table 2.
The major constituents of four coniferous oils

RTa	Compound	KIb	C. obtusa	P. densiflora	P. koraiensis	L. kaempferi
			Area %	Area %	Area %	Area %
			13.70	Hexanal	799			1.16
18.72	1-Hexanol	858			0.41
27.02	α-Pinene	928	13.74	47.16	28.22	18.57
29.69	Camphene	943		0.85	1.14	0.48
30.35	2,4(10)-Thujadien	947		0.44
34.95	β-Pinene	974	0.24	11.02	10.79	2.96
37.56	Myrcene	953		1.02
40.46	3-Carene	1011			3.32
42.31	ο-Cymene	1032	0.15	0.53	1.55
42.80	Limonene	1037	0.75	1.52	4.01	2.62
42.93	β-Phellandrene	1039	0.27	11.78
43.07	Eucalyptol	1040		0.13
47.45	Terpinolene	1089		0.36	0.38
47.72	ρ-Cymenene	1092		0.17	0.59
48.70	Nonanal	1103			0.38
49.73	Fenchol	1117	0.45	0.36	1.02	0.60
50.28	α-Campholenal	1127			0.22
51.35	Pinocarveol	1138		1.00	0.95
51.66	Verbenol	1142		0.53
51.82	Camphor	1145			0.28
52.44	β-Terpineol	1153		0.11
53.73	Borneol	1170	1.23	0.39	1.38	1.65
54.10	3-Pinanone	1175		0.31	0.36
54.41	4-Terpineol	1179	0.87	0.52	1.59	0.54
54.83	ρ-Cymenol	1185	0.21	0.33	0.48
54.90	Cryptone	1186		0.20
55.57	α-Terpineol	1195	3.28	2.12	7.63	4.67
55.73	Myrtenol	1197			1.02	0.58
56.72	Verbenone	1210		0.85	0.47
58.20	Citronellol	1230	0.13
60.96	2-Decenal	1267			0.31
61.22	cis-Myrtanol	1271				1.61
62.56	Bornyl acetate	1289	0.54		1.26	0.56
65.85	α-Terpinyl acetate	1352	1.93
66.30	α-Longipinene	1362		0.44	1.33
66.59	2-Undecenal	1368		0.44	0.36
67.39	α-Copaene	1384	0.25		1.38
67.46	Longicyclene	1386
67.92	β-Elemene	1395	1.17
68.17	(+)-Sativene	1401		0.36	0.31
68.97	Longifolene	1423		14.31	13.49
69.30	β-Caryophyllene	1432	0.22	0.56	1.31
70.20	β-Farnesene	1456		0.17	0.29
70.64	Humulene	1468	0.46	0.11	0.29
70.77	Ethyl cinnamate	1472			0.71	1.65
71.23	γ-Muurolene	1485	2.79	0.14		0.75
71.53	Germacrene-D	1493				0.75
71.82	β-Selinene	1501	0.87			0.64
72.01	α-Muurolene	1507	4.16		0.78	1.67
72.20	β-Bisabolene	1514			0.36
72.53	γ-Cadinene	1525	6.52	0.11		2.56
72.65	δ-Cadinene	1529	7.37	0.31	0.50	4.07
72.78	Calamenene	1533	1.08			0.68
73.25	α-Cadinene	1549	0.78
73.42	α-Calacorene	1554	0.43			0.70
73.52	3,7(11)-Selinadiene	1558				0.58
73.74	Nerolidol	1565	1.03		0.52
74.72	Gleenol	1598	0.40
74.78	γ-Eudesmol	1600	0.28		0.50
75.42	Longiborneol	1623		0.52	0.43
75.61	Carotol	1630	1.21			0.99
75.71	Globulol	1634	0.28
75.95	Cubenol	1642	2.14		0.43	1.13
76.30	τ-Cadinol	1655	9.84			3.00
76.36	τ-Muurolol	1657	14.20	0.11		3.66
76.69	α-Cadinol	1669	19.25	0.17		6.24
76.88	Juniper camphor	1676	1.08			0.79
77.19	Cadalene	1688	0.22			0.60
78.52	Falcarinol	1732	0.13
86.29	Cembrene	1956		0.55	8.08	6.12
88.24	Manoyl oxide	2024				0.66
88.38	Atiserene	2032				0.52
89.11	Thunbergol	2071				4.61
89.26	Geranyl linalool	2079				23.58

RT : Retention time
KI : Kovats index on a DB-5 column with reference to n-alkanes(C₉-C₂₄).