Table 4 GC-MS results of MetOH extract of O. compressa.

From: Chemical finger-printing, antioxidant activity and in silico validation of phytometabolites of Octhochloa compressa

Peak #

RT

(min)

Peak area

Molecular

formula

Molecular weight

Identified compound

Amount (µg/mL)

1

5.095

2,123,335

(CH3)2NH

45.08

Dimethylamine

2.36

2

5.192

1,508,446

C7H15NO

129.20

3-piperidinemethanol, 1-methyl-

1.67

3

5.406

2,067,825

C10H12O2

164.20

Isoeugenol

2.30

4

5.566

1,008,883

C₂H₅NO₂

75.07

Glycine

1.12

5

6.465

1,366,101

C4H2N2O4

142.07

Alloxan

1.52

6

7.117

809,245

C4H10N2

86.136

Piperazine

0.90

7

7.422

2,177,474

C4H6O2

86.06

Methacrylic acid

2.42

8

7.834

567,935

C3H4N2O

84.08

3-amino isoxazole

0.63

9

9.000

1,216,838

C10H32O6Si6

416.87

Cyclohexasiloxane

1.35

10

9.722

4,070,434

C9H10O2

150.177

2-methoxy-4-vinylphenol

4.52

11

10.615

1,346,620

C8H10O3

154.16

Syringol

1.50

12

11.562

925,733

C6H4CH3NH2

107.15

O-toluidine

1.03

13

12.691

1,234,002

C24H60O16Si5

745.1

Pentasiloxane

1.37

14

13.445

431,730

C15H24O

220.35

Butylated hydroxytoluene

0.48

15

13.525

823,548

C14H22O

206.32

2 4-di-tert-butylphenol

0.91

16

15.493

923,794

C7H6O4

154.12

Gentisic acid

1.03

17

20.494

13,395,488

C17H34O2

270.45

Methyl palmitate

14.87

18

21.163

12,751,895

C16H32O2

256.42

Palmitic acid

14.16

19

23.083

955,857

C19H34O2

294.4721

9,12-Octadecadienoic acid (Z, Z)-, methyl ester

1.06

20

23.174

2,807,764

C19H32O2

292.4562

9 12 15-octadecatrienoic acid methyl ester (z z z)-

3.12

21

23.591

10,602,998

C19H38O2

298.5

Methyl stearate

11.77

22

24.190

3,729,607

C18H36O2

284.48

Stearic acid

4.14

23

24.714

630,617

C13H26

182.3455

Cyclohexene 2-butyl-1 3 3-trimethyl

0.70

24

25.447

609,054

C10H21NO

171.28

Octanamide, N,N-dimethyl-

0.68

25

27.694

6,734,826

C23H32O2

340.4990

Phenol, 2,2’-methylenebis[6-(1,1-dimethylethyl)−4-methyl-

7.48

26

28.212

2,734,410

C24H24

312.4

1,3,5-Triphenylcyclohexane

3.04

27

29.475

1,684,995

C19H38O4

330.5

2-Palmitoylglycerol

1.87

28

29.721

7,355,806

C24H38O4

390.6

Bis(2-ethylhexyl) phthalate

8.17

29

33.866

3,464,801

C24H38O4

390.564

Dioctyl terephthalate

3.85

  1. MetOH extract of the plant revealed the presence of these 29 compounds with retention time ranging from 5.095 to 33.866 min.
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