Table 2 Quorum sensing inhibition zones in C. violaceum CV026 by compounds
Compound | Anti-quorum sensing inhibition zones (mm) | |||
|---|---|---|---|---|
MIC (mg/mL) | MIC | MIC/2 | MIC/4 | |
Acetylerythrodiol | 0.50 | 12.0 ± 1.0 | 9.1 ± 0.4 | - |
Amyrincapraote | 1.00 | 9.1 ± 0.5 | - | - |
Erythrodiol 3-O-palmitate | 1.00 | 7.5 ± 0.2 | - | - |
Erythrodiol | > 1.00 | - | - | - |
3-O-acetylbetulin | 0.50 | 11.5 ± 0.5 | - | - |
Betulinic acid | 1.00 | 11.0 ± 0.2 | 8.5 ± 0.2 | - |
3-O-acetyllupeol | 1.00 | 9.0 ± 0.5 | - | - |
Lupeol | 1.00 | - | - | - |
Myrianthic acid | 0.50 | 12.0 ± 1.0 | 9.8 ± 0.4 | - |
Pomolic acid | 0.50 | 13.0 ± 0.5 | 10.5 ± 0.7 | - |
Ursolic acid | 1.00 | 14.0 ± 1.0 | 11.3 ± 0.5 | - |
Taraxerone | 1.00 | - | - | - |
22,23-Dihydrospinasterol 3-O-β-D-glucopyranoside | > 1.00 | - | - | - |
Spinasterol | > 1.00 | - | - | - |
Spinasterol 3-O-β-D-glucopyranoside | > 1.00 | - | - | - |
Stigmasterol | > 1.00 | - | - | - |
Lacourtianamide | 0.50 | 13.5 ± 0.5 | 9.1 ± 0.5 | - |
Lacourtianoside II | > 1.00 | - | - | - |
Epicatechin | 0.50 | 16.0 ± 1.0 | 11.5 ± 0.5 | 9.5 ± 0.1 |
Methyl pheophorbide-a | 1.00 | 13.0 ± 1.0 | 10.3 ± 0.1 | - |