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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