Table 4.
The chemical composition of the partially purified biosurfactant produced by P. guguanensis strain Iraqi ZG.K.M and analyzed by GC-MS.
| No. | RT (min) | Area% | Name | Quality |
|---|---|---|---|---|
| 1 | 12.129 | 1.93 | 2-Octenoic acid | 90 |
| 2 | 14.443 | 2.02 | 2H-Pyran-3,4,5-triol and tetrahydro-2-methoxy-6-methyl- | 64 |
| 3 | 15.087 | 1.38 | Methyl.alpha.-L-fucopyranoside | 64 |
| 4 | 15.164 | 0.78 | 2H-Pyran-3,4,5-triol and tetrahydro-2-methoxy-6-methyl- | 80 |
| 5 | 16.368 | 1.94 | 2-Decenoic acid | 64 |
| 6 | 18.433 | 11.74 | 2,4-Di-tert-butylphenol | 95 |
| 7 | 19.43 | 1.09 | Dodecanoic acid | 98 |
| 8 | 19.907 | 1.86 | 3-Isopropyl-5-methyl-hex-4-en-2-one | 41 |
| 9 | 25.863 | 2.97 | Methyl palmitate | 98 |
| 10 | 26.538 | 5.75 | n-Hexadecanoic acid | 99 |
| 11 | 26.979 | 8.22 | Ethyl palmitate | 99 |
| 12 | 28.562 | 16.83 | Methyl linoleate | 99 |
| 13 | 28.645 | 7.54 | 8-Octadecenoic acid and methyl ester | 99 |
| 14 | 29.018 | 2.22 | Methyl stearate | 99 |
| 15 | 29.345 | 18.70 | Linoleic acid | 97 |
| 16 | 30.03 | 6.72 | Ethyl stearate | 99 |
| 17 | 32.801 | 2.34 | 1-Nonadecene | 90 |
| 18 | 36.583 | 3.43 | 9,17-Octadecadienal, (Z)- | 95 |
| 19 | 40.547 | 2.53 | 4-Carbomethoxy-6,7-dimethoxy-3(3′,4′-dimethoxyphenyl)-isoquinoline | 52 |