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Table 1 Chemical composition of the essential oil from the leaves of P. amboinicus[9]

From: Toxicity of essential oil from Indian borage on the larvae of the African malaria vector mosquito, Anopheles gambiae

Peak No

AI

Chemical compound

Percentage

1

788

1-octene

0.35

2

988

myrcene

0.16

3

1014

α-terpinene

0.61

4

1020

ρ-cymene

6.51

5

1025

β-phelandrene

0.11

6

1054

γ- terpinene

7.76

7

1098

trans-sabinene hydrate

0.22

8

1123

methyl octanoate

0.42

9

1165

borneol

0.26

10

1186

α-terpineol

3.28

11

1192

dihydro carvel

0.23

12

1195

methyl chavicol

0.28

13

1197

2Z-octenol acetate

0.96

14

1289

thymol

21.66

15

1298

carvacrol

29.25

16

1305

undecanal

8.29

17

1452

α-humulene

9.67

18

1489

β-selinene

2.01

19

1582

caryphyllene oxide

5.83

20

1584

2-phenyl ethyl tiglate

1.38

21

1590

β- copaen-4-α-ol

0.12

22

1608

humulene epoxide II

0.11

23

1611

tetradecanal

0.12

24

1615

β-himachalene oxide

0.15

25

1621

β-cedrene epoxide

0.03

26

1627

1-epi-cubenol

0.16

  

TOTAL

99.93

  1. AI (Arithmetic Index) in the literature [12].