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Table 8 GC/MS analysis of fatty acids methyl esters from Thevetia peruviana leaves

From: Chemical profiling of Thevetia peruviana leaves cytotoxic active extracts enhanced by microemulsion formulation

No. Rt RRt Area% Compound M.wt
1 19.91 0.57 0.25 Nonaoic acid-9-oxo-methyl ester 186
2 21.94 0.63 8.12 Dodecanoic acid methyl ester 214
3 26.69 0.77 5.88 Tetradecanoic acid methyl ester 242
4 28.52 0.82 1.24 Pentadecenoic acid methyl ester 254
5 28.87 0.83 0.24 Pentadecanoic acid methyl ester 256
6 30.54 0.88 0.25 9-Hexadecenoic acid methyl ester 268
7 31.09 0.89 21.29 Hexadecanoic acid methyl ester 270
8 32.52 0.93 0.12 Heptadecenoic acid methyl ester 282
9 32.98 0.95 1.19 Heptadecanoic acid methyl ester 284
10 34.09 0.98 0.37 Hexadecanoic acid 3-hydroxy methy ester 286
11 34.61 1 37.82 Octadecadienoic acid methyl ester 294
12 34.65 1.01 4.21 Octadecenoic acid methyl ester 296
13 35.29 1.02 0.95 Octadecanoic acid methyl ester 298
14 36.7 1.06 0.39 Nonadecanoic acid methyl ester 312
15 38.06 1.09 0.39 Eicosenoic acid methyl ester 324
16 38.51 1.11 1.78 Eicosanoic acid methyl ester 326
17 39.03 1.12 0.86 Tetra methyl heptadecan-4-olide 324
18 40.19 1.16 0.36 Heneicosanoic acid methyl ester 340
19 41.83 1.21 0.91 Docosanoic acid methyl ester 354
20 43.39 1.25 0.26 Tricosanoic acid methyl ester 368
21 44.91 1.29 0.72 Tetracosanoic acid methyl ester 382
22 45.43 1.31 0.09 Hydroxytricosanoic acid methyl ester 384
23 46.37 1.33 0.17 Pentacosanoic acid methyl ester 396
24 46.9 1.35 0.13 Hydroxytetracosanoic acid methyl ester 398
25 47.79 1.38 0.36 Hexacosanoic acid methyl ester 410
26 49.16 1.42 0.11 Heptacosanoic acid methyl ester 424
27 50.48 1.45 0.33 Octacosanoic acid methyl ester 438
28 51.8 1.49 0.12 Nonacosanoic acid methyl ester 452
29 53.27 1.53 0.27 Triacontanoic acid methyl ester 466
Total identified 89.17
  1. RRt retention time relative to octadecadienoic acid methyl ester (34.61 min), M.wt molecular weight