Chemical Constituents and Antimicrobial and Antioxidant Activities of Essential Oil from Dried Seeds of Xylopia aethiopica
Table 2
Chemical composition of essential oil from the dried seeds of X. aethiopica.
Na
Compounds
RI lb
RI ac
(%)
1
Hexanal
767
768
0.1
2
α-Thujene
932
920
0.6
3
α-Pinene
936
931
5.9
4
Camphene
950
941
0.2
5
Thuja-2,4(10)-diene
946
944
0.4
6
Sabinene
973
963
1.9
7
β-Pinene
978
970
14.8
8
Dehydro-1,8-cineole
993
977
0.1
9
α-Phellandrene
1002
996
0.1
10
α-Terpinene
1013
1010
0.9
11
m-Cymene
1013
1011
1.6
12
Limonene
1025
1021
1.0
13
1,8-Cineole
1024
1021
16.4
14
Cis-β-ocimene
1029
1025
tr
15
γ-Terpinene
1051
1048
1.4
16
Trans-sabinene hydrate
1053
1051
0.5
17
(E)-linalool oxide (THF)
1058
1056
0.4
18
Terpinolene
1082
1080
0.5
19
Cis-sabinene hydrate
1082
1081
0.4
20
Linalool
1086
1086
3.0
21
α-Thujone
1089
1089
0.1
22
α-Campholenal
1105
1106
0.5
23
Nopinone
1116
1114
2.8
24
Camphor
1123
1122
0.1
25
Trans-pinocarveol
1126
1130
9.1
26
Sabinene ketone
1132
1131
1.1
27
Trans-verbenol
1136
1131
2.4
28
Pinocarvone
1137
1137
4.0
29
Cis-pinocamphone
1149
1151
0.8
30
Cryptone
1160
1159
0.2
31
Terpinen-4-ol
1164
1163
5.6
32
Myrtenal
1172
1172
5.2
33
α-Terpineol
1176
1174
2.0
34
Myrtenol
1178
1177
8.3
35
Trans-carveol
1200
1199
0.6
36
Cuminaldehyde
1213
1216
0.3
37
Carvone
1214
1224
0.3
38
Piperitone
1226
1234
tr
39
Perylaldehyde
1260
1242
0.1
40
α-Terpinen-7-al
1255
1257
0.1
41
Lyratyl acetate
1264
1261
0.1
42
Perillyl alcool
1280
1275
0.1
43
Carvacrol
1278
1281
0.1
44
Germacrene D
1479
1476
0.1
45
δ-Cadinene
1507
1513
0.1
46
Spathulenol
1572
1565
0.1
47
Caryophyllene oxyde
1570
1568
0.1
48
Alismol
1619
1611
0.9
49
Bulnesol
1665
1652
0.1
Hydrocarbon monoterpenes
29.3
Oxygenated monoterpenes
64.7
Hydrocarbon sesquiterpenes
0.2
Oxygenated sesquiterpenes
1.2
Other compounds
0.1
Total identified (%)
95.5
Yields (w/w vs dry material)
1.35
aOrder of elution is given on nonpolar column (Rtx-1), bretention indices of literature on the nonpolar column (lRIa) [21], cretention indices on the nonpolar Rtx-1 column (RIa), and tr, trace (<0.05%). The majority compounds are indicated in bold.