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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].