Table 1 Occurrence and relative amounts of volatile compounds emitted by Elsholtzia rugulosa flowers and leaves.

From: Multiple functions of volatiles in flowers and leaves of Elsholtzia rugulosa (Lamiaceae) from southwestern China

Compound

Retention time

Relative amount (%)

Flower (n = 3)

Damaged flower (n = 3)

Leaf (n = 5)

Damaged leaf (n = 4)

Elsholtzia ketone

20.08

9.98 ± 1.26

25.87 ± 5.93

24.76 ± 4.96

79.35 ± 8.07

Piperitone

21.72

0.93 ± 0.38

4.79 ± 2.02

1.59 ± 0.37

0.67 ± 0.50

β-Elemene

24.19

0.98 ± 0.29

0.42 ± 0.07

–

–

β-Bourbonene

25.54

3.63 ± 0.48

3.30 ± 0.50

–

0.76 ± 0.08

β-Caryophyllene

26.48

45.89 ± 2.59

40.24 ± 3.42

3.28 ± 1.50

3.77 ± 0.14

α-Caryophyllene

27.37

5.56 ± 0.22

4.12 ± 0.35

–

0.36 ± 0.02

Caryophyllene oxide

30.59

2.16 ± 0.29

3.17 ± 1.74

–

0.82 ± 0.23

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