Retention time (mins) Concentration (%) Name
9.908 9.88 1-nonadecene
14.813 19.99 1-docosene
17.807 0.54 hexadecanoic acid, methyl ester
18.997 1.95 phenol, 2,4-bis(1,1-dimethylethyl)-
19.549 15.13 1-docosanol
20.169 0.21 diethyl phthalate
21.069 0.37 cyclopropanecarboxylic acid, 2,2-dimethyl-3-(2-methyl-2-propenyl)-, cis-
22.062 0.26 2,5-pyrrolidinedione, 3-ethyl-3-methyl-
22.408 0.86 octadecanoic acid, methyl ester
22.599 0.68 dodecanoic acid
23.958 15.84 phthalic acid, butyl undecyl ester
24.501 0.15 2-cyclopenten-1-one, 2-methyl-
24.75 0.28 n-hexadecanoic acid
25.321 0.58 1-heptadecanol
25.800 0.40 hexadecanoic acid, phenylmethyl ester
26.082 0.46 2,2-dimethyl-n-phenethylpropionamide
26.304 0.65 1-eicosanol
26.854 0.56 tetradecanoic acid
26.972 0.87 1,2-benzenedicarboxylic acid, dibutyl ester
27.192 1.04 2-oxabicyclo[2.2.2]octan-6-ol, 1,3,3-trimethyl-
27.455 0.17 ethanone, 2-imino-1,2-diphenyl-, semicarbazone
27.675 0.08 1-[2-diethylaminoethyl]-2,3,4,5,6,7-hexahydro-4-oxo-1h-cyclopenta[b]pyridine
27.997 5.84 1-tricosene
28.868 0.37 pentadecanoic acid
29.445 0.23 o o'-biphenol, 4,4',6,6'-tetra-t-butyl-
29.798 0.20 (3as,9as,9br)-6,6,9aa-trimethyl-trans-perhydronaphtho[2,1-b]furan
30.194 0.04 2,6-octadienal, 3,7-dimethyl-
30.408 0.93 1-eicosanol
30.658 0.09 (1,3-dioxo-1,3-dihydro-2h-isoindol-2-yl)methyl 3-methoxybenzoate
30.854 10.52 n-hexadecanoic acid
31.192 0.06 2-propenoic acid, 3-(4-methoxyphenyl)-, 2-ethylhexyl ester
31.463 0.17 2-hydroxy-cyclopentadecanone,
31.919 1.86 n-hentriacontanol-1
32.448 0.07 nonadecanamide
33.115 0.11 hexadecanoic acid
33.786 0.33 9-octadecenamide
34.801 0.10 4-methyl-cyclopentadecanone
35.414 0.45 2,5,5,8a-tetramethyldecahydro-2-naphthalenol
36.024 4.13 octadecanoic acid
36.811 2.55 octadec-9-enoic acid
37.378 0.23 2-propenoic acid, 3-(4-methoxyphenyl)-, 2-ethylhexyl ester
38.194 0.40 di-n-octyl phthalate
38.275 0.10 bis(trifluoromethyl)ethylborane ,dimethylamine(n-b)
38.525 0.12 9,12-octadecadien-1-ol
Table 3: Compounds identified by GC-MS analysis from the cyanobacterial (A.variabilis) spent medium extract.