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Table 2 Chemical composition of O. americanum oil

From: Chemical compositions, antioxidant, antimicrobial, and mosquito larvicidal activity of Ocimum americanum L. and Ocimum basilicum L. leaf essential oils

Peak

Retention time (min)

Mass

Compounds

Area (%)

[Ref]a

1

5.039

136

α-Pinene

5.195

1, 2, 3

2

5.315

136

Camphene

4.674

2

3

5.710

204

α -farnesene

0.972

 

4

5.755

128

1-Octen-3-ol

0.398

5

5

5.870

136

β-Pinene

1.694

1,2,3

6

6.165

136

α-Phellandrene

0.773

 

7

6.625

136

Limonene

7.215

1,3

8

7.025

136

3-Carene

1.673

 

9

7.235

154

Cis-β-Terpineol

0.535

3

10

7.460

136

Cyclohexene

1.433

 

11

7.756

154

Eucalyptol

1.220

1,2,3

12

8.771

152

Camphor

33.869

1,2,3

13

8.856

154

Iso Borneol

0.388

2

14

8.971

154

Borneol

1.394

1

15

9.046

154

α-terpinenol

0.671

1,3

16

9.241

148

Estragole

0.937

5

17

9.326

152

(-)-Myrtenol

3.206

1

18

9.796

152

Octadienal

0.476

 

19

10.212

204

Naphthalene

0.691

2

20

11.727

204

Copaene

0.696

1

21

11.907

204

Cadrene

1.508

 

22

12.402

204

Caryophyllene

5.500

 

23

12.462

204

β-Caryophyllene

1.060

4

24

12.532

204

Aromadendrene

1.696

3

25

12.803

204

α-Caryophyllene

0.661

5

26

13.118

204

α-Cubebene

0.450

 

27

13.308

204

Longifolene

6.727

 

28

13.403

204

Isoledene

5.472

 

29

13.558

204

Epizonarene

0.992

 

30

14.293

222

Veridiflorol

5.858

 

31

14.693

222

Humulane

0.541

5

32

15.038

222

α-cadinol

0.341

1

33

15.189

222

Ledol

0.512

 

34

15.369

222

γ-Muurolene

0.572

 
   

Total

100%

 
  1. a1 (Singh, Tewari, Pande, & Singh 2013)
  2. 2 (Bhatt, Tewari, Pande, & Rana 2018)
  3. 3 (Matasyoh, Bendera, Ogendo, Omollo, & Deng 2006)
  4. 4 (Coulibaly, Hema, Sawadogo, Toe, Kiendrebeogo, & Nébié 2023), and
  5. 5 (Wungsintaweekul, Sitthithaworn, Putalun, Pfeifhoffer, & Brantner 2010)