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Table 1 Chemical constitutes of VOCs and EOs of T. occidentalis

From: Defensive functions of volatile organic compounds and essential oils from northern white-cedar in China

No Components Retention index % Component in EO and VOC Identificationa
EOs from Shenyang Population EOs from Kunming Population VOCs from Shenyang Population
1 ρ-Cymene 1019 0.55 ± 0.01 0.07 ± 0.10 0.75 ± 0.20 MS
2 γ-Terpinene 1050 0.60 ± 0.02 0.07 ± 0.09 MS
3 Fenchone 1082 10.98 ± 0.13 6.35 ± 2.42 14.00 ± 3.46 MS
4 (−)-α-Thujone 1105 57.44 ± 0.43 69.22 ± 10.49 60.34 ± 5.58 S, MS
5 (+)-β-Thujone 1119 6.74 ± 0.04 3.46 ± 0.61 23.21 ± 19.62 MS
6 Camphor 1150 2.21 ± 0.02 1.56 ± 0.13 1.59 ± 0.43 MS
7 (−)-Terpinen-4-ol 1183 3.37 ± 0.01 4.65 ± 0.81 MS
8 Pulegone 1199 0.63 ± 0.02 0.84 ± 0.01 MS
9 Fenchyl acetate 1286 3.09 ± 0.04 0.28 ± 0.18 0.11 ± 012 MS
10 Bornyl acetate 1292 0.74 ± 0.01 0.85 ± 0.26 MS
11 α-Terpinyl acetate 1349 1.28 ± 0.01 0.60 ± 0.33 MS
12 Oplopanone 1749 0.51 ± 0.20 0.74 ± 0.35 MS
13 Rimuene 1922 4.59 ± 0.23 3.84 ± 4.14 MS
14 (+)-Hibaene 1966 7.28 ± 0.35 7.49 ± 7.79 S, MS
  1. aMS Mass spectra matched with NIST (2014) data
  2. S, the isolated standard