Insecticidal Activity and Chemical Composition of the Morinda lucida Essential Oil against Pulse Beetle Callosobruchus maculatus
Table 1
Retention index and relative composition of major chemical components of M. lucida essential oil.
Component
KIa
%
-Thujene
902
0.6
Tricyclene
908
Tr
Camphene
925
0.4
Sabinene*
950
8.2
-Pinene*
954
4
Myrcene
966
0.9
-phellandrene
1008
0.9
-3-Carene
1014
0.1
-Terpinene
1021
0.8
-Cymene
1027
Tr
-Cymene*
1029
1.2
Limonene*
1034
2.4
1,8-Cineole*
1037
43.4
(E) -Ocimene
1054
Tr
g-Terpinene
1064
1.1
Cis-Sabinene hydrate
1073
0.5
Terpinolene
1091
0.4
Linalool*
1103
2.2
Cis--Menth-2-en-1-ol
1127
0.3
-Campholenal
1131
Tr
Trans--Menth-2-en-1-ol
1146
0.3
Camphor
1149
Tr
-Pinene oxide
1162
Tr
Pinocarvone
1167
Tr
Borneol
1170
0.5
-Terpineol
1172
0.6
Terpinene-4-ol
1181
3.4
-Cymen-8-ol
1188
Tr
Trans--Mentha-1(7),8-dien-2-ol
1191
Tr
-Terpineol
1193
3.4
Myrtenal
1196
Tr
Trans-Piperitol
1211
Tr
Trans-Carveol
1223
Tr
Nerol
1228
0.2
Cuminaldehyde
1246
Tr
Carvone
1249
Tr
Cis-Verbenyl acetate
1283
0.1
Isobornyl acetate
1290
0.6
Trans-Sabinyl acetate
1292
0.1
Trans-Pinocarvyl acetate
1302
0.1
Neo-verbanol acetate
1321
0.8
-Terpinyl acetate*
1355
14.5
Eugenol
1364
0.6
Cis-Carvyl acetate
1367
Tr
Neryl acetate
1370
0.3
Geranyl acetate
1388
Tr
-Elemene
1394
Tr
Methyl eugenol
1409
1.4
-Caryophyllene
1421
Tr
-Cymen-7-ol-acetate
1423
Tr
()-Cinnamyl acetate
1450
Tr
()-Methyl isoeugenol
1495
Tr
Bicyclogermacrene
1497
Tr
-Bulnesene
1506
Tr
-Sesquiphellandrene
1526
Tr
Elemol
1554
Tr
Elemicin
1557
Tr
Spathulenol
1578
0.4
Caryophyllene oxide
1583
0.5
g-Eudesmol
1635
Tr
-Eudesmol
1651
0.2
-Eudesmol
1655
Tr
Intermedeol
1667
Tr
Total identified
95.40
Major components are shown in bold. These chemical components were identified by authentic compound injection. KI Kovats retention indices. Tr = trace amount <0.1%.
