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Table 2 Results of the GC–MS analysis. RT stands for retention times

From: Floral attractants in the black orchid Brasiliorchis schunkeana (Orchidaceae, Maxillariinae): clues for presumed sapromyophily and potential antimicrobial activity

Methanolic extract

No

RT

%

Compound

1*

12.822

2.79

Glycine, N-acetyl-

2

16.371

0.15

Benzoic acid

3

17.625

2.77

Glycerol

4*

20.682

0.66

Pyroglutamic acid

5

25.581

0.09

Hydroxybenzoic acid

6

26.991

0.09

Suberic acid

7

28.851

0.45

Azelaic acid

8

33.847

1.83

9,12-Octadecadienoic acid, methyl ester

9

33.954

0.57

9,12,15-Octadecatrienoic acid, methyl ester

10

34.345

0.24

Octadecanoic acid, methyl ester

11

38.546

0.75

Tetradecanoic acid, propyl ester

12

40.720

10.34

2-Monopalmitoylglycerol

13

41.160

30.70

1-Monopalmitoylglycerol

14

43.171

11.22

2-Monostearin

15

43.599

33.50

1-monostearin

16*

43.777

3.85

D-( +)-Trehalose

Dichloromethane extract

No

RT

%

Compound

1

4.980

0.41

Ethylbenzene

2

5.193

2.57

p-Xylene

3

5.826

1.21

o-Xylene

4*

24.204

2.10

Phenol, 3,5-di-tert-butyl-

5*

33.488

77.06

7,9-Di-tert-butyl-1-oxaspiro(4,5)deca-6,9-diene-2,8-dione

6*

37.055

16.65

2,5-di-tert-Butyl-1,4-benzoquinone

  1. *- tentative identification