Table 5 Amounts of major VOCs emitted from five different plantation timbers at ambient temperature in Taiwan (mg/m²)

1

α-Pinene

6.40 ± 3.75

0.85 ± 0.21

1.96 ± 0.42

8.05 ± 5.61

1.13 ± 0.27

3a

p-Cymene

0.46 ± 0.19

0.14 ± 0.03

0.12 ± 0.03

1.28 ± 0.60

0.13 ± 0.04

4

Limonene

1.53 ± 0.46

0.54 ± 0.30

0.95 ± 0.49

1.95 ± 1.38

0.60 ± 0.14

19

Myrtenal

74.21 ± 27.13

1.36 ± 0.76

0.60 ± 0.40

6.53 ± 4.23

1.04 ± 0.56

22

Verbenone

1.13 ± 0.10

0.28 ± 0.18

0.19 ± 0.15

6.91 ± 3.40

0.21 ± 0.13

28

trans-Myrtanol

22.75 ± 5.00

0.42 ± 0.11

0.47 ± 0.20

0.72 ± 0.25

0.42 ± 0.10

29

Isobornyl acetate

3.68 ± 1.53

0.57 ± 0.30

0.62 ± 0.18

4.77 ± 3.73

0.58 ± 0.24

35

α-Copaene

6.58 ± 3.95

3.72 ± 1.33

0.95 ± 0.23

1.49 ± 1.11

3.70 ± 1.00

40

α-Cedrene

1.95 ± 0.18

4.25 ± 3.29

10.27 ± 2.18

1.52 ± 1.17

11.43 ± 2.45

43

Thujopsene

1.74 ± 0.92

1.26 ± 0.95

2.90 ± 0.41

0.72 ± 0.64

12.00 ± 3.04

45

α-Humulene

2.17 ± 0.94

2.34 ± 1.06

1.23 ± 0.20

0.41 ± 0.32

1.56 ± 0.29