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Table 1 Chemical composition of the rosemary essential oil

From: Antioxidant activity of rosemary (Rosmarinus officinalis L.) essential oil and its hepatoprotective potential

Compounds

RT-FIDa

RT-MSb

RRTc

Percentage content (% m/m)

Monoterpene hydrocarbons

   

31.22

  Tricyclene

12.640

6.82

0.579

0.23

  α-Thujene

12.777

7.00

0.585

0.13

  α-Pinene

13.100

7.19

0.600

11.51

  Camphene

13.737

7.62

0.629

4.55

  Sabinene

14.697

8.47

0.673

0.05

  β-Pinene

14.887

8.50

0.681

8.16

  β-Myrcene

15.292

9.04

0.700

0.99

  α-Phellandrene

15.955

9.43

0.730

0.19

  δ3-Carene

16.212

9.62

0.742

0.13

  α-Terpinene

16.456

9.85

0.753

0.14

  p-Cymene

16.782

10.13

0.768

1.23

  Limonene

16.970

10.25

0.777

2.80

  γ-Terpinene

18.178

11.30

0.832

0.92

  α-Terpinolene

19.416

12.31

0.889

0.19

Oxygenated monoterpenes

   

63.88

  1,8-cineole

17.124

10.43

0.784

43.77

  Linalool

19.746

12.82

0.904

0.46

  Camphor

21.845

14.30

1.000

12.53

  Isoborneol

22.318

14.71

1.022

0.53

  Borneol

22.655

15.05

1.037

2.97

  Terpinen-4-ol

23.059

15.44

1.056

0.56

  α-Terpineol

23.548

15.93

1.078

1.53

  γ-Terpineol

23.802

16.17

1.090

0.40

  Bornyl acetate

27.185

19.14

1.244

1.13

Sesquiterpene hydrocarbons

   

4.77

  α-Copaene

30.598

22.03

1.401

0.12

  Longifolene

31.866

22.93

1.459

0.18

  β-Caryophyllene

32.240

23.41

1.476

3.93

  α-Humulene

33.406

24.45

1.529

0.36

  Germacrene D

34.029

25.18

1.558

0.08

  δ-Cadinene

35.528

26.59

1.626

0.10

Total identified

   

99.87

Number of compunds identified

   

29

  1. aRT-FID - retention time in GC/FID system; bRT-MS - retention time in GC/MS system; cRRT - relative retention time with respect to camphor.