Skip to main content

Table 2 Chemical analysis of chloroform aerial part extract of C. pumilio analyzed by GC-Mass spectrometry

From: Antibacterial activity of Centaurea pumilio L. root and aerial part extracts against some multidrug resistant bacteria

Peaks

Volatile compound

Content (%)

M.W.

RI

1

n-tetradecane

9.65

198

1400

2

Carotene, 3,4-dihydro-1,1′,2,2′-tetra hydro-1′-hydroxy-1-methoxy-

0.58

584

1593

3

Pentadecane

17.83

212

1502

4

Lochneridine (Curan-17-oic acid,2,16-didehydro-20-hydroxy-19-oxo,methyl ester

0.67

398

2127

5

Hexadecane

8.89

226

1601

6

Heptadecane

16.05

240

1701

7

2a,4a-Epoxymethylphenanthrene-7-methanol,1,1-dimethyl-2-methoxy-8-(1,3-dithiin-2-ylidene) methyl-1,2,3,4,4a,4b,5,6,7,8,8a,9-dodecahydro-, acetate

0.73

490

1933

8

Hydrazinecarboxamide

0.45

75

829

9

7,8-Epoxylanostan-11-ol, 3-acetoxy

0.42

502

1734

10

Nonadecane

7.88

268

1900

11

Octadecamethyl cyclononasiloxane

0.63

666

1871

12

Eicosane

7.10

282

2000

13

Hexadecamethyl Cyclooctasiloxane

0.73

592

1700

14

Heneicosane

7.30

296

2100

15

Octasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15-hexadecamethyl-

0.91

578

1759

16

Heptacosane

6.08

380

2700

17

Cis-13-eicosenoic acid

5.64

311

2365

18

3-Oxo-10 (14)-epoxyguai-11 (13)-en-6,12-olide

8.45

262

2010

  1. M.W. molecular weight, RI retention index