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. 2019 Apr 2;7(5):1704–1714. doi: 10.1002/fsn3.1007

Table 3.

Chemical composition of essential oils obtained by hydrodistillation (HD) and microwave‐assisted extraction (MAE) of Thymbra spicata

No Compound RIb Relative peak areaa (%)
HD MAE
1 α‐Thujene 824 1.05 ± 0.47 0.25 ± 0.21
2 α‐Pinene 829 0.44 ± 0.17 0.11 ± 0.07
3 Hepten‐3‐ol 880 0.3 ± 0.04 0.26 ± 0.14
4 Myrcene 889 1.58 ± 0.42 0.84 ± 0.32
5 2‐Ethylhexanol 898 0.11 ± 0.01 0.23 ± 0.23
6 α‐Phellandrene 904 0.19 ± 0.04 0.12 ± 0.04
7 α‐Terpinene 916 1.89 ± 0.38 1.29 ± 0.18
8 p‐Cymene 825 5.37 ± 1.11 4.65 ± 1.28
9 Limonene 928 0.23 ± 0.06 0.23 ± 0.08
10 γ‐Terpinene 960 13.25 ± 1.41 13.94 ± 4.12
11 Linalool 999 0.15 ± 0.00 0.14 ± 0.01
12 Isoborneol 1,070 0.13 ± 0.01 0.12 ± 0.04
13 Terpinen‐4‐ol 1,079 0.47 ± 0.09 0.25 ± 0.02
14 Thymol 1,193 1.19 ± 0.05 2.16 ± 0.59
15 Carvacrol 1,214 68.20 ± 3.57 66.91 ± 7.52
16 β‐Caryophyllene 1,322 2.59 ± 0.38 4.02 ± 0.99
17 Aromadendrene 1,339 0.21 ± 0.04 0.37 ± 0.08
18 α‐Humulene 1,356 0.09 ± 0.01 0.13 ± 0.03
19 Spathulenol 1,478 0.2 ± 0.03 0.37 ± 0.18
20 Caryophyllene oxide 1,483 0.46 ± 0.01 0.32 ± 0.06
Total peak area (%) 98.06 96.66
a

Mean ± SD (n = 2).

b

Retention Index on nonpolar HP‐5ms column in reference to n‐alkanes.

Different letters in the same row denote a significant difference, LSD Fisher's test (p < 0.05).