Essential oil composition (%)^a

Leaf position at plant

RT^b

Substance

KI^c

RI^d

RT^b

Substance

8.30

p-cymene

1026

1025

3.27 ± 1.00

4.38 ± 1.03

12.03

Menthone

1154

1166

3.58 ± 0.44

1.49 ± 0.84

12.32

Isomenthone

1164

1175

1.83 ± 0.05

1.51 ± 0.17

12.43

Neomenthol

1165

1179

1.71 ± 0.07

1.65 ± 0.21

12.69

Menthol

1173

1190

81.46 ± 2.25

86.87 ± 1.99

14.55

Pulegone

1237

1250

7.25 ± 2.19

3.47 ± 1.27

15.10

Piperitone

1252

1266

0.90 ± 0.40

0.62 ± 0.06

Monoterpene ketone

13.56 ± 2.50

7.09 ± 2.12

Monoterpene alcohol

83.17 ± 2.29

88.52 ± 2.01