Table 1.
Rhamnolipid composition of M15RL, MDRL, and DDRL mixtures.
| Rt (min.) | Rhamnolipids 1 | M15RL (%) 2 | MDRL (%) 2 | DDRL (%) 2 | Notes |
|---|---|---|---|---|---|
| 6.1 | Rha-Rha-C10 | - | 0.6 | 1 | |
| 7.8 | Rha-C10 | - | 1.6 | 1.2 | |
| 12.5 | Rha-Rha-C11 | - | 0.5 | 0.2 | |
| 14.5 | Rha-C11 | - | 1.3 | 0.2 | |
| 14.8 | Rha-C12:1 | 0.2 | - | - | |
| 17.7 | Rha-C12 | 0.2 | - | - | |
| 23.3 | Rha-Rha-C8-C9 Rha-Rha-C9-C8 |
- | - | 0.1 | |
| 25.0 | Rha-Rha-C12:1-C10;O Rha-Rha-C10-C12:1;O |
- | - | 0.5 | |
| 25.5 | Rha-C14 | 0.3 | - | - | |
| 26.7 | Rha-Rha-C8-C10 Rha-Rha-C10-C8 |
- | 1.8 | 1.2 | |
| 29.5 | Rha-Rha-C9-C10 Rha-Rha-C10-C9 Rha-Rha-C8-C11 |
- | 0.1 | 0.9 | |
| 30.1 | Rha-C8-C10 Rha-C10-C8 |
4.2 | 6.9 | 1.3 | in M15RL, only Rha-C8-C10 is present |
| 31.4 | Rha-C10;O-C13;O | - | - | 0.7 | |
| 33.1 | Rha-Rha-C10-C10 Rha-Rha-C8-C12 |
- | 15.2 | 19.6 | Rha-Rha-C8-C12 present only in DDRL |
| 33.7 | Rha-C10-C9 Rha-C8-C11 |
0.7 | 0.3 | 0.2 | in M15RL, different isomers are present, i.e., Rha-C8-C11 and Rha-C9-C10 |
| 34.1 | Rha-C12:1-C8 Rha-C10:1-C10 Rha-C10-C10:1 Rha-C8-C12:1 |
0.5 | 3.4 | 0.5 | in M15RL, Rha-C10-C10:1 is missing |
| 35.8 | Rha-Rha-C10-C11 Rha-Rha-C11-C10 |
- | 0.4 | 5.1 | |
| 36.3 | Rha-Rha-C12:1-C10 Rha-Rha-C10-C12:1 |
- | 3.3 | 6.9 | |
| 37.5 | Rha-C10-C10 Rha-C8-C12 |
19.3 | 35.0 | 20.8 | in M15RL, there is also Rha-C12-C8 |
| 39.1 | Rha-Rha-C12-C10 Rha-Rha-C10-C12 |
- | 7.7 | 18.2 | |
| 40.8 | Rha-C10-C11 Rha-C11-C10 |
3.8 | 0.4 | 1.1 | in M15RL, there is also Rha-C12-C9 |
| 41.6 | Rha-C12:1-C10 Rha-C10-C12:1 Rha-C8-C14:1 |
29.8 | 8.7 | 4.7 | in M15RL, Rha-C8-C14:1 is missing |
| 42.2 | Rha-Rha-C12-C11 | - | - | 0.7 | |
| 41.5 42.9 |
Rha-Rha-C14:1-C10 Rha-Rha-C10-C14:1 Rha-Rha-C12:1-C12 Rha-Rha-C12-C12:1 |
- | 0.6 | 2.9 | |
| 44.6 | Rha-C12-C10 Rha-C10-C12 |
29.8 | 10.0 | 8.3 | |
| 45.6 | Rha-C13:1-C10 Rha-C12:1-C11 |
0.7 | - | - | |
| 45.7 | Rha-Rha-C14-C10 Rha-Rha-C12-C12 Rha-Rha-C10-C14 |
- | 0.9 | 3.3 | |
| 46.1 | Rha-C12:1-C12:1 | 1.2 | - | - | |
| 47.4 49.0 |
Rha-C14:1-C10 Rha-C10-C14:1 Rha-C12:1-C12 Rha-C12-C12:1 |
5.6 | 0.9 | 0.2 | in M15RL, Rha-C10-C14:1 is missing |
| 48.2 | Rha-C13-C10 Rha-C12-C11 Rha-C11-C12 |
0.9 | - | - | |
| 52.4 | Rha-C14-C10 Rha-C10-C14 Rha-C12-C12 |
2.4 | 0.5 | 0.1 | in M15RL, Rha-C10-C14 is missing |
| 54.2 | Rha-C16:1-C10 Rha-C14:1-C12 |
0.4 | - | - |
1 Rha is the abbreviation for rhamnose. Fatty acyl chains are indicated as C#: N; O, where C# is the number of carbon atoms, N is the number of double-bond equivalents, and O is the number of additional oxygen atoms linked to the hydrocarbon chain. 2 Relative abundances.