Table 1.
The parent and the fragments’ masses of the identified compounds compared with that of the standards from the molecular networking database.
| Compound name | Precursor mass (m/z) | Database fragments | Identified fragments |
|---|---|---|---|
| Cyclo-(L-pro-L-val) | 197.064 | 179.12, 169.14, 152.11, 141.14, 124.12 and 70.07 | – |
| Ile-Pro | 211.06 | – | 183.128, 138.125, 114.102, 98.065, 86.105 and 70.064 |
| Cyclo-[L-(4-hydroxy-Pro)-L-leu] | 227.058 | 199.15, 181.14, 153.15, 136.12 and 86.08 | – |
| Cyclo-(Leu-Leu) | 227.115 | – | – |
| Cyclo (Pro-Phe) | 245.042 | 217.69, 120.03 and 70.79 | 154.100, 120.10 and 70.064 |
| Palmitamide | 256.21 | – | – |
| Pro-Tyr | 261.038 | 243.06, 233.09, 215.04, 135.92, 119.94 and 85.94 | 187.183, 120.085 and 86.056 |
| 9-Octadecenamide | 282.205 | 265.27, 247.30, 149.10 and 135.13 | – |
| C17-Sphinganine | 288.218 | – | – |
| Hexanedioic acid, bis(2-ethylhexyl) ester | 371.135 | – | – |
| Surfactin C14 | 1,022.48 | 909.46, 891.41, 86e3.38, 685.37, 667.44, 582.31, 554.33 and 441.23 | - |
| Surfactin C15 | 1,036.52 | 1,018.47, 923.58, 905.42, 877.39, 808.44, 792.44, 695.38, 685.37, 667.35, 596.41, 554.27 and 441.24 | 923.574, 685.500, 596.445, 483.382, 441.298, 326.238, 272.167 and 86.088 |