Table 7.
Minimum Bactericidal Concentration (MBC) values (mg/ mL) for E. oils of D. tripetala
| Bacteria | UFO a | RFO b | Ciproflaxin Positive control |
DMSO Negative control |
|---|---|---|---|---|
|
Staphylococcus aureus
(NCINB 50080) |
Bacteriostatic at 0.10 ± 0.01 VG |
Bacteriostatic at 0.15 ±0.02 VG |
Bactericidal at 0.05 ± 0.01 NVG |
0.5 mL VG |
|
Enterococcus faecium
(ATCC19434) |
Bactericidal at 0.05 ± 0.01 NVG |
Bactericidal at 0.10 ± 0.02 NVG |
Bactericidal at 0.05 ± 0.01 NVG |
0.5 mL VG |
|
Escherichia coli
(ATCC 700728) |
Bacteriostatic at 0.15 ± 0.02 VG |
Bacteriostatic at 0.20 ± 0.00 VG |
Bactericidal at 0.05 ± 0.01 NVG |
0.5 mL VG |
|
Listeria ivanovii
(ATCC 19119) |
Bacteriostatic at 0.10 VG |
Bacteriostatic 0.15 VG |
Bactericidal at 0.05 ± 0.01NVG |
0.5 mL VG |
|
Enterobacter cloacae
(ATCC13047) |
Bacteriostatic at 0.10 VG |
Bacteriostatic at 0.10 VG |
Bactericidal at 0.05 ± 0.01 NVG |
0.5 mL VG |
| Escherichia coli 0179 * | Bacteriostatic at 0.15 VG |
Bacteriostatic at 0.20 VG |
Bactericidal at 0.05 ± 0.01 NVG |
0.5 mL VG |
| Escherichia coli 180 * | Bacteriostatic at 0.20 VG |
Bacteriostatic at 0.20 VG |
Bactericidal at 0.05 ± 0.01 NVG |
0.5 mL VG |
| Vibro spp. * | Bacteriostatic at 0.05 VG |
Bacteriostatic at 0.10 VG |
Bactericidal at 0.05 ± 0.01 NVG |
0.5 mL VG |
| Escherichia coli 132* | Bacteriostatic at 0.20 VG |
Bacteriostatic at 0.20 VG |
Bactericidal at 0.05 ± 0.01 NVG |
0.5 mL VG |
a:Unripe fruit oil, Ripe oil, b:Ripe fruit oil, Ripe oil. VG = visible growth, *laboratory confirmed resistant isolates to antibiotics