TABLE 3.
THE ANTIBACTERIAL ACTIVITY OF THE TEST COMPOUNDS (4a-m)
| COMP. No. | Cup plate method | MIC (μg) | ||
|---|---|---|---|---|
| B. subtilis | E. coli | B. subtilis | E. coli | |
| 3 | ++ | ++ | 185.00 | 197.00 |
| 4a | +++ | +++ | 147.00 | 141.00 |
| 4b | + | + | 241.00 | 239.00 |
| 4c | ++ | ++ | 195.00 | 183.00 |
| 4d | ++ | ++ | 180.00 | 177.00 |
| 4e | + | + | 225.00 | 220.00 |
| 4f | + | + | 247.00 | 255.00 |
| 4a | + | + | 280.00 | 283.00 |
| 4h | + | + | 265.00 | 247.00 |
| 4i | ++ | ++ | 192.00 | 201.00 |
| 4j | + | + | 216.00 | 210.00 |
| 4k | + | + | 260.00 | 265.00 |
| 4l | ++ | ++ | 190.00 | 176.00 |
| 4m | ++ | ++ | 178.00 | 180.00 |
| Ampicillin | ++++ | ++++ | 145.00 | 135.00 |
+
: Less active (0.2-0.5 mm);
++
: Moderately active (0.6-1.4 mm);
+++
: Highly active (1.5-3.0 mm);
++++
: Very highly active (over 3.00 mm)