Table 2 a-c Major phytochemical compounds identified in the active plant n-hexane partitions by gas chromatography-mass spectrometry chemometric profiling
No. | Retention time (min) | Peak area | % of total peak area | Name of compound | Library match (%) | NIST No. | CAS No. | Molecular formula | Molecular weight |
|---|---|---|---|---|---|---|---|---|---|
a Costus speciosus (stem-flower) n-hexane partitiona | |||||||||
1 | 12.94 | 2.150.E + 08 | 7.37 | Hexadecanoic acid or n-Hexadecanoic acid or Palmitic acid or Palmitinic acid | 95 | 151,973 | 57–10-3 | C16H32O2 | 256 |
2 | 13.514 | 3.480.E + 09 | 7.25 | 9,12-Octadecadienoic acid (Z,Z), methyl ester or Linoleic acid, methyl ester or Methyl linoleate | 99 | 233,849 | 112–63-0 | C19H34O2 | 294 |
3 | 12.793 | 1.560.E + 09 | 2.68 | Hexadecanoic acid, methyl ester or Methyl palmitate or Palmitic acid, methyl ester | 99 | 158,970 | 112–39-0 | C17H34O2 | 270 |
4 | 13.577 | 9.940.E + 08 | 1.71 | Octadecanoic acid, methyl ester or Stearic acid, methyl ester or Methyl stearate | 98 | 79,123 | 112–61-8 | C19H38O2 | 298 |
5 | 19.165 | 9.070.E + 08 | 1.56 | Lanost-8-en-3-ol, (3β) | 91 | 253,595 | 79–62-9 | C30H52O | 428 |
6 | 20.985 | 8.240.E + 08 | 1.42 | Stigmast-4-en-3-one | 95 | 17,165 | 1058–61-3 | C29H48O | 412 |
7 | 12.569 | 6.730.E + 08 | 1.16 | Pentadecanoic acid or Pentadecylic acid | 99 | 63,741 | 1002–84-2 | C15H30O2 | 242 |
8 | 19.095 | 6.670.E + 08 | 1.15 | 7-Ergostenol | 86 | 253,005 | 116,179–22-7 | C28H48O | 400 |
9 | 16.567 | 5.880.E + 08 | 1.01 | 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,8-dimethyl-2-(4,8,12-trimethyltridecyl)-, [2R-[2R*(4R*,8R*)]]- | 98 | 151,380 | 119–13-1 | C27H46O2 | 402 |
b Cymbopogon citratus (stem-rhizome) n-hexane partitionb | |||||||||
1 | 13.731 | 2.852.E + 08 | 9.16 | 9,12-Octadecadienoic acid (Z,Z) or Linoleic acid | 93 | 229,327 | 60–33-3 | C18H32O2 | 280 |
2 | 18.808 | 8.335.E + 08 | 2.68 | Stigmasterol or Sigmasta-5,22-dien-3-ol, (3β, 22E) | 90 | 251,057 | 83–48-7 | C29H48O | 412 |
3 | 13.444 | 6.416.E + 08 | 2.06 | 7,10-Octadecadienoic acid, methyl ester | 95 | 35,764 | 56,554–24-6 | C19H34O2 | 294 |
4 | 19.368 | 5.734.E + 08 | 1.84 | γ-Sitosterol or Clionasterol or Stigmast-5-en-3-ol, (3β) | 99 | 151,558 | 83–47-6 | C29H50O | 414 |
5 | 11.575 | 7.538.E + 08 | 1.73 | Selina-6-en-4-ol | 94 | 140,232 | NA | C15H26O | 222 |
6 | 18.514 | 4.958.E + 08 | 1.59 | 5-Cholestene-3-ol, 24-methyl | 99 | 214,174 | NA | C28H48O | 400 |
7 | 17.274 | 3.632.E + 08 | 1.17 | Cyclooctacosane | 95 | 72,382 | 297–24-5 | C28H56 | 392 |
8 | 12.758 | 9.362.E + 08 | 1.16 | Hexadecanoic acid, methyl ester or Methyl palmitate or Palmitic acid, methyl ester | 98 | 158,970 | 112–39-0 | C17H34O2 | 270 |
c Tabernaemontana coronaria (leaf) n-hexane partitionc | |||||||||
1 | 16.882 | 7.578.E + 08 | 6.91 | Ibogamine-18-carboxylic acid, 12 methoxy-methyl ester | 96 | 48,516 | 510–22-5 | C22H28N2O3 | 368 |
2 | 13.507 | 3.355.E + 08 | 3.06 | Phytol | 91 | 14,111 | 150–86-7 | C20H40O | 296 |
3 | 13.458 | 2.298.E + 08 | 2.10 | 9,12,15-Octadecatrien-1-ol, (Z,Z,Z) | 93 | 141,196 | 506–44-5 | C18H32O | 264 |
4 | 21.146 | 1.781.E + 08 | 1.63 | 12-Oelanen-3-yl acetate, (3α) or Olean-12-en-3-yl acetate | 95 | 244,056 | 33,055–28-6 | C32H52O2 | 468 |
5 | 16.693 | 1.786.E + 08 | 1.63 | Ibogaine | 99 | 131,027 | 83–74-9 | C20H26N2O | 310 |
6 | 17.596 | 1.501.E + 08 | 1.37 | Vitamin E or α-Tocopherol | 98 | 151,382 | 59–02-9 | C29H50O2 | 430 |
7 | 16.532 | 1.482.E + 08 | 1.35 | 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,8-dimethyl-2-(4,8,12-trimethyltridecyl)-, [2R-[2R*(4R*,8R*)]]- | 95 | 151,380 | 119–13-1 | C27H46O2 | 402 |
8 | 19.956 | 1.231.E + 08 | 1.12 | 9,19-Cyclolanost-24-en-3-ol, (3β) | 98 | 68,266 | 25,692–13-1 | C31H52O | 440 |