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Table 4 GC–MS analysis of ethyl acetate extract of the liquid culture of V. lecanii

From: Insecticidal activity and possible modes of action of secondary metabolites of some fungal strains and wild plants as natural pesticides against Spodoptera frugiperda

No

R.t

min

Compounds

Area (%)

Molecular weight

Molecular

formula

1

4

Tetramic acid

13.22

99.09

C4H5NO.2

2

5.25

3-Methylazepin-2-one

9.20

121.14

C7H7NO

3

6.52

4-Acetoxy-3-methylbut-2-enoic acid. methyl ester

4.97

172.18

C8H12O4

4

7.45

7-Isopropyl-1,4a-dimethyldecahydronaphthalene # (Selinane)

16.09

208.38

C15H28

5

8.5

Sandaracopimar-7.15-dien-6-one

4.81

286.50

C20H30O

6

10.32

5-(4-Chlorobenzoyl)-1,4-dimethyl-1H-pyrrole-2-acetic acid (Zomepirac)

6.35

291.73

C15H14ClNO3

7

11.52

Methyl ester of ricinoleic acid

14.9

312.5

C19H36O3

8

12.15

1-pyrazineacetamide. n-(2-cyano-4.5-dimethoxyphenyl)hexahydro-4-(2-hydroxyethyl)-

9.12

348.4

C17H24N4O4

9

13.29

Ergost-5-ene-3.25-diol

5.02

416.70

C28H48O2

10

15.35

12-Deoxyphorbol-13-(2-methylpropionate)

5.44

418.5

C24H34O6

11

16.36

{[4-(tert-Butyldimethylsiloxy)-2,6-dimethylphenyl] (methoxy)methylene}pentacarbonylchromium(0)

4.42

470.51

C21H26CrO7Si

12

17.38

(14.beta.20R)9.19-Cyclo-6.7-epoxylanostan-3-ol. acetate

6.46

484.8

C32H52O3

  1. R.t.: Retention time (min)