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. 2022 Jul 26;13:940988. doi: 10.3389/fphar.2022.940988

TABLE 2.

Chemical composition of D. triradiata aerial parts oil extracted by HD, MAHD and SFE.

Peak Rt Compound M.F RIexp RIlit Content % Identifications
HD MAHD SFE
1 7.29 α-Pinene C10H16 914 914 1.05 0.54 ----- MS,RI
2 7.72 Camphene C10H16 930 930 0.31 0.15 ----- MS,RI
3 8.48 Sabinen C10H16 957 957 0.46 1.38 ----- MS,RI
4 8.56 β-Pinene C10H16 960 961 0.14 0.13 ----- MS,RI
5 9.05 β-Myrcene C10H16 978 978 ------ 0.10 ----- MS,RI
6 9.43 α-Phellandrene C10H16 992 993 0.03 -------- ----- MS,RI
7 10.08 p-Cymene C10H14 1,014 1,014 8.22 6.22 0.90 MS,RI
8 10.19 β-Phellandrene C15H24 1,017 1,017 1.74 1.56 ----- MS,RI
9 18.04 Bornyl acetate C15H24 1,276 1,267 1.57 0.45 ----- MS,RI
10 20.58 α-Copaene C15H24 1,365 1,365 0.19 0.56 0.44 MS,RI
11 20.84 (-)-β-Bourbonene C15H24 1,374 1,374 0.95 2.28 2.16 MS,RI
12 21.02 (-)-β-Elemene C15H24 1,380 1,380 0.97 2.30 1.63 MS,RI
13 22.05 β-Copaene C15H24 1,418 1,421 0.13 0.33 0.31 MS,RI
14 22.45 γ-Muurolene C15H24 1,434 1,435 0.08 0.21 0.20 MS,RI
15 22.70 α-Humulene C15H24 1,444 1,444 0.05 0.15 ----- MS,RI
16 23.48 Germacrene D C15H24 1,474 1,474 10.34 24.80 23.30 MS,RI
17 23.59 β-Selinene C15H24 1,478 1,478 0.12 0.22 0.43 MS,RI
18 23.84 β-Guaiene C15H24 1,488 1,488 0.58 1.08 0.42 MS,RI
19 24.28 δ- Cadinene C15H24 1,505 1,505 0.09 0.11 ----- MS,RI
20 24.61 Myristicin C11H12O3 1,518 1,518 20.23 18.23 12.55 MS,RI
21 24.74 β-Vatirenene C15H24 1,523 1,527 0.14 0.16 ------ MS,RI
22 25.17 Germacrene B C15H24 1,540 1,540 0.39 0.31 0.27 MS,RI
23 25.47 Elemicin C12H16O3 1,552 1,552 33.43 21.97 34.83 MS,RI
24 25.95 Spathulenol C15H24O 1,570 1,570 0.88 0.76 0.99 MS,RI
25 26.16 β-Copaene-4α-ol C15H24O 1,579 1,579 0.13 ----- ----- MS,RI
26 26.33 Salvial-4 (14)-en-1-one C15H24O 1,585 1,586 ----- 0.36 ----- MS,RI
27 27.05 Dill apiol C12H14O4 1,615 1,615 1.85 1.32 ----- MS,RI
28 27.23 7-epi-γ-Eudesmol C15H26O 1,623 1,622 0.16 0.11 ----- MS,RI
29 27.68 β-Eudesmol C15H26O 1,642 1,642 9.21 7.60 8.94 MS,RI
30 28.40 Apiol C12H14O4 1,674 1,674 0.53 0.31 ------ MS,RI
31 28.54 Alloaromadendrene oxide-(2) C15H24O 1,680 1,678 1.78 1.76 2.30 MS,RI
32 36.89 Linoleic acid, methyl ester C19H34O2 2077 2076 ------ ----- 1.05 MS,RI
33 36.99 Oleic acid, methyl ester C19H36O2 2083 2085 ------ ------ 1.03 MS,RI
34Total identified compounds 49.87 2-methyloctacosane C29H60 2,855 2,857 0.14 0.06 5.85 MS,RI
95.89 95.52 97.60
Non-oxygenated compounds Monoterpene hydrocarbons (MH) - - - - 3.73 3.86 ------ -
Sesquiterpene hydrocarbons (SH) - - - - 14.03 32.51 29.16 -
Aromatic hydrocarbons (ArH) - - - - 8.22 6.22 0.90 -
Aliphatic hydrocarbons (AH) - - - - 0.14 0.06 5.85 -
Oxygenated compounds Oxygenated monoterpenes (OM) - - - - 1.57 0.45 ------ -
Oxygenated sesquiterpenes (OS) - - - - 12.16 10.59 12.23 -
Phenylpropanoid (PP) - - - - 56.04 41.83 47.38 -
Acyclic compounds (AC) - - - - ------- ------ 2.08 -

tR, retention time; RIexp., experimental refractive index; RIlit, reference refractive index; MF, molecular formula.