Essential oil composition (%)^a

P levels (mmol∙L⁻¹)

RT^b

Substance

KI^c

RI^d

0.05

0.5

1.0

2.0

8.30

p-cymene

1026

1025

2.90 ± 0.63

2.29 ± 1.07

5.51 ± 1.07

4.36 ± 0.33

12.03

Menthone

1154

1166

2.32 ± 0.07

2.57 ± 0.03

2.68 ± 0.74

2.11 ± 0.20

12.32

Isomenthone

1164

1175

1.72 ± 0.07

1.60 ± 0.03

1.82 ± 0.04

1.76 ± 0.04

12.43

Neomenthol

1165

1179

1.56 ± 0.42

1.68 ± 0.02

1.76 ± 0.11

1.73 ± 0.08

12.69

Menthol

1173

1190

87.15 ± 1.09

83.70 ± 0.69

83.30 ± 0.59

81.74 ± 2.83

14.55

Pulegone

1237

1250

3.18 ± 0.62

7.24 ± 0.80

3.40 ± 1.09

7.31 ± 2.58

15.10

Piperitone

1252

1266

0.90 ± 0.20

0.91 ± 0.10

0.74 ± 0.19

0.54 ± 0.24

Monoterpene ketone

8.12 ± 0.82

12.66 ± 0.57

8.64 ± 1.44

11.72 ± 1.81

Monoterpene alcohol

88.71 ± 0.46

86.03 ± 0.44

85.06 ± 0.33

83.47 ± 1.67