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. 2020 Nov 11;25(22):5244. doi: 10.3390/molecules25225244

Table 1.

Chemical composition of SEO.

NO. Compound Molecular Formula RT a RI b MF c RMF d Content (%) Identification e
1 α-Pinene C10H16 3.70 930 953 954 26.00 1,2,3
2 Camphene C10H16 3.87 943 906 911 0.21 1,2
3 2,4-Thujadiene C10H14 3.93 957 844 858 0.76 1,2
4 β-Terpinene C10H16 4.26 964 876 918 0.15 1,2
5 l-β-Pinene C10H16 4.31 969 926 935 0.38 1,2
6 Epoxycyclooctane C8H14O 4.39 971 896 912 0.22 1,2
7 2,3-Dehydro-1,8-cineole C10H16O 4.50 1041 791 835 0.33 1,2
8 1,3,8-p-Menthatriene C10H14 4.56 1042 872 913 0.25 1,2
9 E,E-2,6-Dimethyl-1,3,5,7-octatetraene C10H14 4.79 1049 902 915 0.27 1,2
10 4-Isopropenyltoluene C10H12 4.87 1073 849 895 0.07 1,2
11 o-Cymene C10H14 5.10 1079 929 939 0.62 1,2
12 Isosylvestrene C10H16 5.27 1083 879 923 0.11 1,2
13 γ-Terpinen C10H16 5.83 1101 908 918 0.18 1,2
14 trans-p-Mentha-2,8-dienol C10H16O 5.99 1111 746 747 1.30 1,2
15 Berbenol C10H16O 6.16 1117 824 830 0.13 1,2
16 Campholenal C10H16O 6.24 1119 854 875 0.10 1,2
17 4-Isopropenyltoluene C10H12 6.31 1123 919 940 0.33 1,2
18 Terpinolene C10H16 6.40 1124 901 925 1.69 1,2,3
19 Benzyl ethyl carbinol C10H14O 7.05 1131 761 799 0.35 1,2
20 l-Pinocarveol C10H16O 7.24 1143 920 928 0.17 1,2
21 cis-Verbenol C10H16O 7.32 1146 862 899 0.82 1,2
22 d-Verbenol C10H16O 7.41 1149 917 919 4.11 1,2
23 Pinocarvone C10H14O 7.54 1157 873 891 1.14 1,2
24 l-Terpinen-4-ol C10H18O 8.00 1158 909 920 0.56 1,2
25 p-Cymen-8-ol C10H14O 8.07 1160 906 920 0.61 1,2
26 Myrtenal C10H14O 8.13 1169 927 933 0.07 1,2
27 α-Terpineol C10H18O 8.19 1172 821 839 1.27 1,2,3
28 Verbenone C10H14O 8.34 1198 908 917 7.40 1,2,3
29 cis-Carveol C10H16O 8.76 1207 942 944 2.20 1,2
30 l-Carveol C10H16O 8.95 1213 704 719 0.25 1,2
31 Carvol C10H14O 9.02 1217 857 894 0.25 1,2
32 Hotrienol C10H16O 9.10 1218 657 747 0.17 1,2
33 3,5-Diethylphenol C10H14O 9.17 1219 762 799 0.16 1,2
34 trans-2-Caren-4-ol C10H16O 9.38 1224 734 750 0.19 1,2
35 Bornyl acetate C12H20O2 9.95 1259 887 892 0.72 1,2
36 (−)-trans-Pinocarvyl acetate C12H18O2 10.16 1264 742 754 0.15 1,2
37 4-Vinylguaiacol C9H10O2 10.25 1271 818 845 0.25 1,2
38 1,4-p-Menthadien-7-ol C10H16O 10.65 1291 739 774 0.31 1,2
39 Aromadendrene, dehydro- C15H22 12.42 1407 747 778 0.25 1,2
40 Calarene C15H24 12.55 1412 903 930 5.27 1,2
41 4,5,9,10-dehydro-Isolongifolene C15H20 12.91 1424 752 764 0.25 1,2
42 2-Tridecanone C13H26O 13.39 1439 885 896 0.33 1,2
43 Bisabolene C15H24 13.69 1450 896 912 0.52 1,2
44 Cadina-3,9-diene C15H24 13.86 1456 835 851 0.30 1,2
45 Juniper camphor C15H26O 14.20 1467 790 801 0.30 1,2
46 (−)-Spathulenol C15H24O 14.52 1478 842 849 0.51 1,2
47 Caryophyllene oxide C15H24O 14.59 1480 661 689 0.18 1,2
48 Isoaromadendrene epoxide C15H24O 14.90 1490 775 791 0.70 1,2
49 cis-Lanceol C15H24O 15.00 1494 749 805 0.43 1,2
50 3,3,5,6,7-Pentamethyl-1-indanone C14H18O 15.35 1505 790 791 2.96 1,2
51 Trans-Longipinocarveol C15H24O 16.09 1530 723 758 0.52 1,2
52 Dehydro-cyclolongifolene oxide C15H22O 16.87 1556 740 752 4.81 1,2
53 Tetradecanoic acid C14H28O2 17.20 1567 701 778 0.15 1,2
54 9-Hexadecenoic acid C16H30O2 19.40 1701 661 669 0.22 1,2
55 Androst-2,16-diene C19H28 19.62 1709 738 743 0.19 1,2
56 Phellopterin C17H16O5 19.77 1773 766 786 2.17 1,2
57 Hexadecanoic acid C16H32O2 19.84 1775 878 895 2.26 1,2
58 Manoyl oxide C20H34O 20.12 1945 868 889 0.23 1,2
59 Androstane-3,11-diol C19H32O2 20.81 1985 711 736 0.32 1,2
60 Methyl isopimarate C21H32O2 21.35 1998 742 802 0.37 1,2
61 Linoleic acid C18H32O2 21.57 2008 793 847 1.00 1,2
62 trans-Oleic acid C18H34O2 21.65 2012 629 691 0.27 1,2
63 Kaur-16-ene C20H32 22.23 2037 852 872 3.51 1,2
64 16-Kauran-16-ol C20H34O 22.30 2040 870 888 1.65 1,2
75 Kauran-16-ol C20H34O 22.43 2045 847 869 0.99 1,2
66 Cryptopinon C20H30O 22.59 2052 769 798 0.29 1,2
67 Pimaric acid C20H30O2 23.71 2101 739 741 3.09 1,2
68 Abietic acid C20H30O2 24.26 2125 785 786 3.78 1,2
Pentadecane f
Total compounds 92.07
Oxygenated monoterpenes 54.65
Sesquiterpenoids 22.73
Others 14.69

a Peak time. b Retention indices relative to C9–C30 n-alkanes on the HP-INNOWax column. c Forward match. d Reverse match. e Methods of identification: 1, retention index; 2, mass spectrum; 3, co-injection with standard compound. f Internal standard.