Table 1 Tryptophan derived metabolites detected in tryptophan-amended aerobic cultures of strain JA2.
S. no. | Rt (min) | Generated Mol. formula | Exact Mass | m/z [M-] | Mass accuracy (ppm) | UV-visible Absorbance (nm) | Identification (Confirmed/ Tentative) |
|---|---|---|---|---|---|---|---|
1 | 7.9 | C11H12N2O3 | 220 | 219.0778 | 0.75 | 275 | 5-Hydroxytryptophan |
2 | 10.9 | C11H9NO4 | 207 | 206.0458 | 0.86 | 270, 280, 288 | 5,6-dihydroxyindole-3-acetic acid |
3 | 14.3 | C10H9NO3 | 191 | 190.0509 | 0.34 | 275, 300 | 5-hydroxyindole-3-acetic acid |
4 | 15.5 | C11H9NO4 | 219 | 218.0456 | 1.42 | 260, 292 | 5-Hydroxyindole-3- pyruvate |
5 | 16.3 | C9H9NO | 147 | 146.0609 | 1.36 | 290 | 5-hydroxy-methyl-indole |
