TABLE 2.
MALDI-TOF-MS/MS detection of purified CLPs.
| Fatty acid chain | Molecular formula | Calculated (m/z) | ||
| Lipopeptides | [M+H]+ | [M+Na]+ | ||
| Surfactin (peak a) | C13 | C51H89N7O13 | 1,008.66 | – |
| C14 | C52H91N7O13 | 1,022.67 | – | |
| C15 | C53H93N7O13 | 1,036.69 | 1,058.67 | |
| Iturin A (peak b) | C14 | C48H74N12O14 | 1,043.55 | 1,065.53 |
| C15 | C49H76N12O14 | – | 1,079.55 | |
| C16 | C50H74N12O14 | – | 1,093.56 | |
| Fengycin A (peak c) | C15 | C71H108N12O20 | 1,449.78 | 1,471.76 |
| C16 | C72H110N12O20 | 1,463.80 | 1,485.78 | |
| C17 | C73H112N12O20 | – | 1,499.79 | |
| C18 | C74H114N12O20 | – | 1,513.81 | |
| C19 | C75H116N12O20 | 1,527.83 | ||