Table 1.
Chemical composition of nitrogen-containing compounds extracted from seeds of Griffonia simplicifolia.
| Compound | MW | [M + H]+ | m/z | mg g−1 d.wt. | SD | Relative Percentage | ||
|---|---|---|---|---|---|---|---|---|
| 1H-indole-3-carboxylic acid | 161.0 | 162.0 | 143.8 | 115.9 | 0.08 | 0.006 | 0.04 | |
| 5-hydroxytryptamine | 176.0 | 177.0 | 158.8 | 135.8 | 117.0 | 1.15 | 0.066 | 0.64 |
| 5-hydroxy-3-(2-hydroxyethyl)indole | 177.0 | 178.0 | 159.8 | 132.9 | 115.0 | 0.27 | 0.006 | 0.15 |
| 5-hydroxy-l-tryptophan (5-HTP) | 220.0 | 221.0 | 204.0 | 161.9 | 156.48 | 8.320 | 86.48 | |
| 3-carboxy-6-hydroxy-β-carboline | 228.0 | 229.0 | 210.0 | 183.0 | 101.1 | 2.69 | 0.120 | 1.49 |
| hyrtioerectine B | 246.0 | 247.0 | 229.9 | 203.9 | 174.0 | 6.75 | 0.320 | 3.73 |
| griffonine | 329.0 | 330.0 | 167.9 | 0.75 | 0.030 | 0.41 | ||
| hyrtiosulawesine | 343.0 | 344.0 | 228.9 | 200.9 | 182.9 | 0.9 | 0.030 | 0.50 |
| 1,1′-ethylidenebis(l-tryptophan) | 434.0 | 435.0 | 231.0 | n.d. | n.d. | n.d. | ||
| 3-(phenylamino)alanine | 180.0 | 181.0 | 106.0 | 88.0 | 70.0 | n.d. | n.d. | n.d. |
| 4,5-tryptophan-dione | 234.0 | 235.0 | 217.0 | 162.0 | 181.0 | 11.87 | 0.92 | 6.56 |
| TOTAL | 181.10 | 16.10 | 100.00 | |||||
SD: standard deviation; n.d.: not detectable (i.e., below the limit of detection).