EO¹

RT²

Substance

KI³

RI⁴

Content (%)

ID⁶

Position leaves

Young

Adult

1

10.06

β-pinene

980

985

0.09 ± 0.00⁵

0.18 ± 0.01

AS. MS. KI

2

11.68

limonene

1031

1036

1.42 ± 0.05

0.48 ± 0.02

AS. MS. KI

3

15.60

isopulegol

1146

1158

0.49 ± 0.00

0.39 ± 0.01

MS. KI

4

15.86

menthona

1154

1166

13.34 ± 0.22

3.83 ± 0.02

AS. MS. KI

5

16.13

isomenthona

1164

1175

2.55 ± 0.07

2.64 ± 0.05

AS. MS. KI

6

16.26

neomenthol

1165

1179

1.43 ± 0.02

1.68 ± 0.06

AS. MS. KI

7

16.60

menthol

1173

1190

67.27 ± 1.65

73.35 ± 0.18

AS. MS. KI

8

18.41

pulegone

1237

1250

0.31 ± 0.03

0.05 ± 0.00

AS. MS. KI

9

18.90

piperitone

1252

1266

2.49 ± 0.03

2.28 ± 0.06

MS. KI

10

19.80

menthyl acetate

1294

1297

2.33 ± 0.13

10.03 ± 0.55

MS. KI

11

23.20

β-elemene

1391

1417

0.12 ± 0.00

0.43 ± 0.03

MS. KI

12

25.31

germacrene D

1480

1497

1.75 ± 0.06

1.14 ± 0.02

MS. KI

Ketone monoterpenes

18.69 ± 0.26

8.79 ± 0.14

Alcohols and esters monoterpenes

71.52 ± 1.55

85.46 ± 0.33

Total of terpenes

93.59 ± 1.39

96.48 ± 0.16

Essential oil content

0.74 ± 0.02

0.89 ± 0.03