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. 2021 Jul 30;10(8):1768. doi: 10.3390/foods10081768

Table 2.

Chemical composition (%) of liquid and vapor phase L. angustifolia EO.

N° COMPONENT 1 LRI 2 LRI 3 L. angustifolia (%) 4 L. angustifolia (%) 5
1 α-pinene 945 943 1.6 ± 0.02 17.8 ± 0.02
2 camphene 948 946 0.8 ± 0.02 8.9 ± 0.05
3 β-pinene 990 986 2.3 ± 0.02 1.2 ± 0.02
4 α-phellandrene 1000 1006 * 0.1 ± 0.02 0.5 ± 0.05
5 α-terpinene 1010 1008 0.2 ± 0.02 0.5 ± 0.03
6 p-cymene 1020 1016 0.1 ± 0.02 1.0 ± 0.02
7 limonene 1022 1023 1.2 ± 0.02 6.2 ± 0.02
8 1,8-cineole 1025 1027 5.7 ± 0.02 18.0 ± 0.03
9 cis-β-ocimene 1033 1032 0.1 ± 0.02 3.2 ± 0.05
10 trans-β-ocimene 1041 1043 1.4 ± 0.02 3.5 ± 0.03
11 γ-terpinene 1051 1054 0.6 ± 0.02 2.3 ± 0.03
12 linalol oxide 1073 1073 0.5 ± 0.02 0.2 ± 0.03
13 terpinolene 1080 1078 0.6 ± 0.01 1.1 ± 0.03
14 linalool 1096 1092 49.9 ± 0.14 26.2 ± 0.05
15 camphor 1125 1126 3.2 ± 0.04 6.9 ± 0.05
16 borneol 1155 1152 3.9 ± 0.02 0.7 ± 0.02
17 terpinen-4-ol 1161 1160 5.0 ± 0.05 1.4 ± 0.02
18 α-terpineol 1182 1183 0.8 ± 0.04 0.1 ± 0.02
19 linalyl acetate 1251 1252 17.9 ± 0.02 0.2 ± 0.02
20 β-caryophyllene 1424 1426 1.5 ± 0.02 -
21 cis-β-farnesene 1444 1441 0.8 ± 0.01 -
22 β-bisabolene 1500 1501 0.3 ± 0.02 -
23 α-farnesene 1505 1506 1.2 ± 0.02 -
24 caryophyllene oxide 1586 1583 tr -
25 α-bisabolol 1662 1665 0.3 ± 0.02 -
SUM (%) 100.0 99.9
Monoterpene hydrocarbons 9.0 46.2
Oxygenated monoterpenes 86.9 53.7
Sesquiterpene hydrocarbons 3.8 -
Oxygenated sesquiterpene 0.3 -
Others - -

1 The components are reported according to their elution order on a polar column; 2 linear retention indices measured on a polar column; 3 linear retention indices from literature; 4 percentage mean values of L. officinalis EO components (liquid phase); 5 percentage mean values ± SD (standard deviation) of L. officinalis EO components (vapor phase); * Normal Alkane retention index; -, not detected; tr, trace < 0.1.