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Table 4 GC-MS analysis of bioactive compounds detected in freeze-dried extract of Padina sp. seaweed

From: Synthesis of silver nanoparticles using marine macroalgae Padina sp. and its antibacterial activity towards pathogenic bacteria

No.

Rt

Name of compounds

Mol. formula

MW

Peak area %

1

4.390

Cyclotrisiloxane, hexamethyl-

C6H18O3Si3

222.46

2.23

2

6.931

Cyclotetrasiloxane, octamethyl-

C4H16O4Si4

240.51

1.55

3

9.368

Cyclopentasiloxane, decamethyl-

C10H30O5Si5

370.77

1.79

4

11.840

Cyclohexasiloxane, dodecamethyl-

C12H36O6Si6

444.92

1.69

5

14.089

Cycloheptasiloxane, tetradecamethy l-

C14H42O7Si7

519.08

3.24

6

16.653

Tetradecanoic acid, dodecanoic acid

C14H28O2

228.37

0.91

7

17.814

Cyclononasiloxane, octadecamethyl-

C18H54O9Si9

667.38

17.94

8

18.712

n-Hexadecanoic acid

C16H32O2

256.42

7.03

9

20.561

Octadecanoic acid, pentadecanoic acid

CH3(CH2)16CO2H

284.48

1.06