Inhibitory Effects of Chrysanthemum boreale Essential Oil on Biofilm Formation and Virulence Factor Expression of Streptococcus mutans
Table 3
GC and GC-MS analysis of the essential oil isolated from C. boreale.
Peak no.a
Components
Retention index
Peak area (%)d
Polarb
Apolarc
Monoterpene hydrocarbons
(19.66)
1
Tricyclene
1009
920
0.18
2
-Pinene
1027
933
4.97
3
-Thujene
1030
925
0.23
4
Camphene
1070
945
4.19
5
-Pinene
1110
970
4.45
6
Sabinene
1123
966
0.61
10
Myrcene
1167
984
0.92
11
-Terpinene
1181
1007
0.48
13
Limonene
1199
1020
0.65
16
cis-β-Ocimene
1239
1029
0.87
17
-Terpinene
1249
1050
0.47
18
p-Cymene
1276
1022
1.34
19
Terpinolene
1286
1078
0.30
Oxygenated monoterpenes
(47.23)
12
2,3-Dehydro-1,8-cineole
1191
976
0.05
14
1,8-Cineole
1212
1020
4.52
22
-Thujone
1427
1090
5.46
23
-Thujone
1441
1096
1.04
28
Camphor
1518
1124
20.89
30
Linalool
1537
1101
0.10
31
trans-Sabinene hydrate
1562
1051
0.40
32
trans-Chrysanthenyl acetate
1569
1186
0.46
33
Bornyl acetate
1576
1268
0.69
35
Terpinen-4-ol
1599
1165
0.72
36
Lavandulyl acetate
1608
—
0.08
37
Myrtenal
1621
1167
0.15
38
Umbellulone
1639
1149
0.28
39
Pinocarveol
1651
1124
0.29
40
p-Mentha-1,5-dien-8-ol
1662
1169
0.60
43
-Terpineol
1697
1174
0.38
44
Borneol
1701
1146
1.94
48
Piperitone
1725
1224
5.27
49
Carvone
1731
1212
1.14
50
cis-Chrysanthenol
1761
1157
2.07
53
Myrtenol
1795
1179
0.32
54
trans-Carveol
1833
1181
0.09
55
Geraniol
1852
—
0.07
56
Geranyl acetone
1854
—
0.08
57
cis-Carveol
1860
1196
0.14
Sesquiterpene hydrocarbons
12.51
25
-Guaiene
1470
—
0.09
27
-Copaene
1493
1370
0.32
29
Berkheyaradulen
1527
1377
0.19
34
-Caryophyllene
1590
1412
5.71
41
cis-β-Farnesene
1671
—
0.38
42
-Selinene
1676
1488
0.15
45
epi-Sesquiphellandrene
1707
—
5.16
46
Widdrene
1710
—
0.09
47
Zingiberene
1714
1496
0.42
51
ar-Curcumene
1780
1484
0.28
Oxygenated Sesquiterpenes
(4.44)
58
Caryophyllene oxide
1975
1561
2.08
59
Viridiflorol
2042
1569
0.10
60
Nerolidol
2049
1555
0.38
61
Elemol
2072
—
0.40
62
Spathulenol
2118
1563
0.42
64
Torreyol
2167
1606
0.15
67
epi-Globulol
2217
1589
0.44
68
Farnesol
2244
1688
0.03
70
-Costol
2301
—
0.29
71
Caryophyllenol II
2349
—
0.07
72
Farnesol (isomer)
2353
1704
0.08
Others
(1.58)
5
n-Hexanal
1087
835
0.07
8
Butyl benzene
1126
938
0.11
9
2-Methylpropylbenzene
1133
1050
0.14
15
2-Pentyl furan
1236
981
0.04
20
6-Methyl-5-hepten-2-one
1341
—
0.06
21
n-Hexanol
1356
882
0.10
24
1-Octen-3-ol
1454
966
0.21
26
2,2,4-Trimethyl-2-cyclohexene carbaldehyde
1474
1040
0.04
52
Methyl salicylate
1789
1169
0.07
63
Eugenol
2164
1327
0.29
65
Thymol
2185
1275
0.34
66
Carvacrol
2212
1275
0.05
69
Decanoic acid
2263
—
0.06
Total identified
(85.42)
Numbering refers to the elution order on Supelcowax 10 column.
bRetention index on polar Supelcowax 10 column.
cRetention index on apolar SPB-1 column.
dPeak area percentage is based on polar Supelcowax 10 column, and values represent averages of three determinations.