Table 1 Structural compositions of the separated mono-rhamnolipid and di-rhamnolipid
Chromatographic peak number | Retention time (min) | Mass spectrum signal (m/z) | Rhamnolipid homologues |
|---|---|---|---|
The separated mono-rhamnolipid component | |||
 1 | 15.95 | 333 | Rha-C10 |
 2 | 28.29 | 475 | Rha-C8-C10 |
 3 | 32.97 | 503 | Rha-C10-C10 |
 4 | 37.79 | 529 | Rha-C10-C12:1 |
 5 | 42.18 | 531 | Rha-C10-C12 |
The separated di-rhamnolipid component | |||
 1 | 15.05 | 479 | Rha-Rha-C10 |
 2 | 19.19 | 507 | Rha-Rha-C12 |
 3 | 22.25 | 593 | Rha-Rha-C8-C8 |
 4 | 26.15 | 621 | Rha-Rha-C8-C10 |
 5 | 28.26 | 647 | Rha-Rha-C8-C12:1 |
 6 | 30.00 | 649 | Rha-Rha-C10-C10 |
 7 | 32.90 | 675 | Rha-Rha-C10-C12:1 |
 8 | 35.35 | 677 | Rha-Rha-C10-C12 |