Table 2.
Main signals exhibited in the LC-MS spectra of compounds detected in Pterocarpus soyauxii and proposed attribution.
| N° | Tr (min) | [M + H]+ | Molecular formula | Name of compound | Molecular classes | |
|---|---|---|---|---|---|---|
| Exp. | Calcl. | |||||
| 1 | 0.4 | 235.2035 | 235.2056 | C16H27O | Ambrial | — |
| 2 | 0.5 | 215.0544 | 215.0550 | C9H11O6 | Not identified | — |
| 3 | 0.6 | 311.0875 | 311.0914 | C18H15O5 | 7-O-Acetylformononetin | Isoflavone |
| 4 | 0.7 | 301.0738 | 301.0707 | C16 H13O6 | Khrinone A | Isoflavonoid |
| 5 | 0.8 | 181.1063 | 181.1071 | C7H17O5 | Not identified | — |
| 6 | 2.4 | 195.1223 | 195.1227 | C8H19O5 | Ammoniated polyethylene glycol | — |
| 7 | 2.6 | 279.1609 | 279.1591 | C16 H23O4 | Mono(2-ethylhexyl) phthalate | Aromatic dicarboxylic acid |
| 8 | 2.8 | 437.2909 | 437.2898 | C25H41O6 | Not identified | — |
| 9 | 2.9 | 273.2577 | 273.2577 | C20 H33 | Cembrene A | Diterpene |
| 10 | 2.9 | 305.1074 | 305.1078 | C9H21O11 | Not identified | — |
| 11 | 3.0 | 209.1507 | 209.1536 | C13H21O2 | Not identified | — |
| 12 | 3.1 | 211.1301 | 211.1329 | C12H19O3 | Not identified | — |
| 13 | 3.2 | 293.2127 | 293.2111 | C18H29O3 | Not identified | — |
| 14 | 3.5 | 257.1210 | 257.1172 | C16H17O3 | 3′,5′-Dimethoxy-4-stilbenol | Stilbenoid |
| 15 | 3.8 | 281.2495 | 281.2474 | C18H33O2 | Linoleic acid | Fatty acid |
| 16 | 4.0 | 235.2054 | 235.2056 | C16 H27 O | Not identified | — |
| 17 | 4.1 | 263.2378 | 263.2369 | C18H31O | Not identified | — |