Table 1 Inhibition of violacein production in C. violaceum CV12472 by compounds
Compound | MIC (mg/mL) | Violacein inhibition (%) | |||
|---|---|---|---|---|---|
MIC | MIC/2 | MIC/4 | MIC/8 | ||
Acetylerythrodiol | 1.00 | 45.5 ± 1.5 | 26.0 ± 0.6 | 14.2 ± 0.28 | - |
Amyrincapraote | 0.50 | 29.3 ± 0.2 | 10.5 ± 0.1 | - | - |
Erythrodiol 3-O-palmitate | 0.50 | 18.5 ± 0.5 | 07.9 ± 0.3 | - | - |
Erythrodiol | 1.00 | 37.3 ± 0.8 | 13.6 ± 0.1 | - | - |
3-O-acetylbetulin | 1.00 | 60.1 ± 1.0 | 21.9 ± 0.6 | - | - |
Betulinic acid | 0.50 | 26.9 ± 0.1 | 15.1 ± 0.4 | - | - |
3-O-acetyllupeol | 1.00 | 27.5 ± 1.1 | 10.0 ± 0.5 | - | - |
Lupeol | 1.00 | 38.0 ± 0.4 | 12.9 ± 0.2 | - | - |
Myrianthic acid | 1.00 | 25.8 ± 0.7 | 10.3 ± 0.4 | - | - |
Pomolic acid | 0.50 | 44.2 ± 0.22 | 28.0 ± 0.5 | 9.7 ± 0.2 | - |
Ursolic acid | 1.00 | 60.1 ± 1.0 | 21.9 ± 0.6 | 7.5 ± 0.4 | - |
Taraxerone | 0.50 | 25.9 ± 0.6 | 11.0 ± 0.3 | - | - |
22,23-Dihydrospinasterol 3-O-β-D-glucopyranoside | 1.00 | 20.5 ± 0.3 | - | - | - |
Spinasterol | 1.00 | 20.9 ± 0.10 | 11.3 ± 0.5 | - | - |
Spinasterol 3-O-β-D-glucopyranoside | 1.00 | 17.49 ± 0.6 | - | - | - |
Stigmasterol | 1.00 | 22.9 ± 0.8 | 06.7 ± 0.2 | - | - |
Lacourtianamide | 0.50 | 43.8 ± 1.5 | 19.7 ± 0.4 | 5.5 ± 0.1 | - |
Lacourtianoside II | > 1.00 | - | - | - | - |
Epicatechin | 0.25 | 100 ± 0.00 | 86.7 ± 1.7 | 39.8 ± 0.6 | 17.2 ± 0.9 |
Methyl pheophorbide-a | 0.50 | 41.0 ± 1.0 | 22.6 ± 0.5 | 8.4 ± 0.5 | - |