Chamaecyparis obtusa Suppresses Virulence Genes in Streptococcus mutans

Table 2

Gas chromatography and gas chromatography-mass spectrometry (GC/GC-MS) analysis of the essential oil isolated from C. obtusa.

Retention time (min)	Retention index	Compound	Peak area (%)
8.849	801	n-Hexanal	0.18
11.982	852	trans-2-Hexenal	0.28
13.110	870	n-Hexanol	0.06
15.125	902	Bornylene	0.12
16.419	919	Tricyclene	0.77
16.763	925	α-Thujene	0.12
17.742	936	α-Pinene	11.38
18.650	952	Camphene	2.87
20.228	975	Sabinene	0.46
21.345	980	δ-3-Carene	0.37
22.047	983	β-Pinene	7.22
24.483	1023	α-Terpinene	40.60
24.927	1029	Limonene	0.57
25.474	1036	β-Phellandrene	3.45
27.317	1061	γ-Terpinene	0.21
28.393	1072	cis-Sabinene hydrate	0.35
29.742	1089	α-Terpinolene	3.40
29.983	1092	Dehydro-p-cymene	0.53
30.874	1102	trans-Sabinene hydrate	0.09
31.769	1115	1-Octen-3-yl acetate	0.06
33.199	1133	trans-p-2-Menthen-1-ol	0.05
36.312	1173	Cryptone	0.11
36.461	1175	p-Cymen-8-ol	0.10
36.965	1181	Terpinen-4-ol	0.23
37.889	1193	α-Terpineol	0.11
38.960	1207	Verbenone	0.09
39.699	1217	Fenchyl acetate	0.07
42.535	1256	Linalyl acetate	0.08
45.552	1296	Bornyl acetate	12.45
49.502	1352	α-Terpinyl acetate	0.62
51.422	1380	α-Copaene	0.28
53.780	1414	α-Cedrene	0.52
54.015	1417	β-Caryophyllene	0.16
54.331	1422	β-Cedrene	0.25
55.009	1431	cis-Thujopsene	0.07
55.419	1434	β-Gurjunene	0.06
56.378	1453	α-Humulene	0.37
56.976	1462	cis-Muurola-4(14),5-diene	0.24
57.656	1472	β-Cadinene	0.06
57.927	1476	Germacrene D	0.13
58.150	1490	β-Himachalene	0.10
59.003	1492	α-Muurolene	0.16
59.519	1497	α-Chamigrene	0.05
60.024	1508	γ-Cadinene	0.38
61.079	1525	δ-Cadinene	0.15
61.522	1530	Cadina-1,4-diene	0.09
61.937	1539	Selina-3,7()-diene	0.07
63.011	1551	Elemol	0.07
63.406	1562	trans-Nerolidol	0.25
64.651	1578	Spathulenol	0.05
64.916	1586	Caryophyllene oxide	0.10
66.435	1603	Cedrol	0.97
67.079	1622	1-epi-Cubenol	0.08
67.835	1635	γ-Eudesmol	0.58
68.123	1239	τ-Cadinol	0.57
68.964	1648	α-Cadinol	0.09
69.973	1670	Bulnesol	0.07
70.829	1685	α-Bisabolol	0.13
82.676	1898	Rimuene	0.27
84.836	1926	Hibaene	2.33
85.085	1945	Pimaradiene	0.10
86.747	1977	13-Isopimaradiene	1.42
88.068	1998	Dolabradiene	0.09
90.446	2051	Dehydroabietane	0.07
Total			97.38

Retention index on DB-5HT column.