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Table 3 Effect of SPM and SPT on the fatty acids composition of S. littoralis larvae

From: Biochemical characterization of spiromesifen and spirotetramat as lipid synthesis inhibitors on cotton leaf worm, Spodoptera littoralis

Peak RT Name Formula Molecular weight Relative % control Relative % SPM Relative % SPT
1 3.801 Nonanoic acid, 9-oxo-, methyl ester C10H18O3 186 0.75 0 0
2 4.944 Undecanoic acid, 10-methyl-, methyl ester C13H26O2 214 0.15 0 0
3 9.178 Tetradecanoic acid, methyl ester)Myristic acid methyl ester ( C15H30O2 242 1.58 0.88 0.266
4 12.14 Pentadecanoic acid, methyl ester C16H32O2 256 0.58 0 0
5 14.792 9-Hexadecenoic acid, methyl ester, (Z)-(Palmitoleic acid methyl ester) C17H32O2 268 1.57 0.77 1.07
6 15.783 Hexadecanoic acid, methyl ester(Palmitic acid methyl ester) C17H34O2 270 49.64 43.18 53.94
7 19.264 Heptadecanoic acid, methyl ester C18H36O2 284 1.08 0.65 0.95
8 21.83 9,12-Octadecadienoic acid (Z,Z)-, methyl ester (Linoleic acid methyl ester) C19H34O2 294 3.52 4.92 3.284
9 22.24 9-Octadecenoic acid (Z)-, methyl ester (Oleic acid methyl ester) C19H36O2 296 30.77 41.9 30.77
10 23.207 Octadecanoic acid, methyl ester (Stearic acid methyl ester) C19H38O2 298. 9.4 7.7 9.72
11 27.121 Nonadecanoic acid, methyl ester C20H40O2 312 0.24 0 0
12 31.745 Eianoic acid, methyl ester (Arachidic acid methyl ester) C21H42O2 326 0.37 0 0
13 37.698 Docosanoic acid, methyl ester (Behenic acid methyl ester) C23H46O2 354 0.35 0 0
% of unsaturated fatty acids 35.86 47.59 35.124
% of saturated fatty acids 64.14 52.41 64.876
Total 100 100 100