Research Article

Efficacy of Eucalyptus cinerea as a Source of Bioactive Compounds for Curative Biocontrol of Crown Gall Caused by Agrobacterium tumefaciens Strain B6

Table 5

GC-MS analysis of E. cinerea ethyl acetate fraction (EtOAc-F).

Compounds (min)Content (%)Characteristic mass fragments

Phenolic compounds
4-Hydroxybenzoate15.970.23282, 267, 193, 223, 73
Gentisic acid20.1000.68370, 355, 281, 147, 223, 267, 73
Protocatechuic acid21.1401.13147, 223, 355, 311, 281, 193, 73
Shikimic acid21.3455.07174, 179, 281, 311, 355, 443, 458, 73
Gallic acid24.8457.18458, 281, 443, 355, 399, 179, 147, 73
2-(Diphenylphosphoryl)-4-nitrophenol25.6062.74115, 139, 183, 215, 292, 339
Ferulic acid27.480,2146, 191, 219, 249, 308, 323, 338, 73
Caffeic acid28.5710.19219, 381, 396, 73
Catechin43.8893.12179, 368, 650, 267, 355, 73
Terpenes
Camphene8.7002.1179, 93, 107, 121, 136
Aromadendrene10.9471.0841, 55, 69, 107, 121, 134, 147, 161, 175, 189, 204
α-Gurjunene19.6462.0541, 55, 77, 91, 105, 119, 133, 147, 161, 189, 204
Sugars
β-D-Galactofuranose22.3700.67103, 147, 189, 217, 319, 73
Galactopyranose23.4753.62103, 147, 204, 249, 307, 331, 73
D-Mannopyranose25.7962.48103, 135, 147, 204, 249, 307, 331, 73
α-D-Glucopyranoside39.5620.75103, 135, 147, 217, 271, 319, 361, 437, 73
Others
Phosphoglycerol20.2100.62103, 218, 299, 318, 357, 387, 445, 73
Palmitic acid26.3381.26117, 145, 129, 132, 313, 73
Inositol27.9780.66147, 191, 205, 217, 265, 306, 318, 73
Phytol29.2010.36123, 143, 103, 73
Oleic acid30.1900.75117, 129, 145, 185, 222, 264, 339, 73
Stearic acid30.6140.76117, 147, 201, 297, 341, 423, 73
1,2,4,8-Tetramethylbicyclo6.3.0undeca-2,4-diene31.3320.11109, 147, 204, 219, 73
1H-Cycloprop[e]azulene33.3670.23147, 204, 247, 287, 575, 73
Cholest-5-en-3-ol45.4340.04147, 217, 283, 368, 456, 73

: retention time.