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Table 1 VCs identified by GC–MS in the n-hexane fraction of G. lemaneiformis

From: A sustainable process for the recovery of volatile constituents from Gracilaria lemaneiformis in agar production and evaluation of their antioxidant activities

No.

RT

RPA (%)

Compound

1

3.833

0.21

Hexanal

2

7.232

0.21

Undecane

3

17.026

0.20

Heptadecane

4

17.789

2.52

Tetradecanoic acid

5

17.989

0.21

Cyclopropanecarboxylic acid, 2,2-dimethyl-3-

6

18.589

0.39

Nonadecane

7

18.801

0.53

Pentadecanoic acid

8

19.665

1.69

cis-9-Hexadecenoic acid

9

19.802

3.05

Dibutyl phthalate

10

20.131

38.57

n-Hexadecanoic acid

11

20.300

0.87

Hexadecanoic acid

12

20.408

0.57

Isopropyl palmitate

13

21.275

1.05

Phytol

14

21.392

0.25

13,16-Octadecadiynoic acid, methyl ester

15

21.716

25.48

Oleic acid

16

22.267

1.01

Isopropyl stearate

17

23.150

12.84

Arachidonic acid

18

23.583

0.99

9-Octadecenamide, (Z)-

19

23.717

0.50

Hexanedioic acid, bis(2-ethylhexyl) ester

20

23.933

0.46

3-Butenoic acid, 2-oxo-4-phenyl-

21

24.789

1.52

Hexadecanoic acid, 2-hydroxy-1-(hydroxymethyl

22

25.565

0.59

2-Nitrophenylcinnamamide

23

25.833

0.27

Arachidonic acid

24

32.467

4.90

Cholesterol

25

33.633

1.06

Cholest-5-en-3-ol, (3.beta.,5.alpha.)

Total identified

 

99.94

 
  1. The compounds were numbered in order of elution; RT, retention time (min); RPA, relative peak area