Efficacy of Eucalyptus cinerea as a Source of Bioactive Compounds for Curative Biocontrol of Crown Gall Caused by Agrobacterium tumefaciens Strain B6
Table 1
Chemical composition of essential oil isolated from E. cinerea leaves.
Compounds
Area (%)
KI
Monoterpene hydrocarbons
α-Pinene
3.45
941
Camphene
15.13
953
β-Pinene
0.17
978
3-Carene
0.06
1004
α-Terpinene
0.17
1015
γ-Terpinene
0.11
1065
Terpinolene
0.04
1088
Bornylene
0.11
1232
Oxygenated monoterpenes
1,8-Cineole
61.00
1033
Fenchol
0.11
1117
trans-Pinocarveol
2.98
1139
Pinocarvone
0.92
1165
4-Terpineol
1.02
1181
α-Terpineol
4.77
1196
trans-Carveol
0.36
1217
l-Bornyl acetate
0.09
1285
exo-2-Hydroxycineole acetate
0.22
1367
cis-Jasmone
0.05
1398
Sesquiterpene hydrocarbons
α-Gurjunene
0.01
1407
β-Caryophyllene
0.02
1418
β-Gurjunene
0.04
1440
Aromadendrene
1.15
1456
β-Guaiene
0.07
1459
β-Selinene
0.04
1480
α-Selinene
0.02
1488
Bicyclogermacrene
0.14
1494
γ-Cadinene
0.09
1512
Oxygenated sesquiterpenes
Epiglobulol
0.69
1561
Spathulenol
0.06
1576
Globulol
4.06
1582
Viridiflorol
1.41
1612
Hydrocarbons
6,7-Dimethyltetralin
0.08
1393
Total identified compounds
98.64%
Total monoterpene hydrocarbons
19.24
Total oxygenated monoterpenes
71.52
Total sesquiterpene hydrocarbons
1.58
Total oxygenated sesquiterpenes
6.22
Identification of components based on GC-MS Wiley 7.0 version library and National Institute of Standards and Technology 05 MS (NIST) library data. Percentages area. KI: Kovats indices on HP-5MS capillary column.