Compound No. | Zone of inhibition (mm) at 200 µg dw/disc | |||||
Gram + Ve bacteria | Gram − Ve bacteria | |||||
B. cereus | B. megaterium | S. aureus | E. coli | S. typhi | S. paratyphi | |
2 | NF | NF | NF | NF | NF | NF |
3 | NF | NF | NF | NF | NF | NF |
4 | 5.4 | NF | 7 | NF | 8 | 7 |
5 | 4.5 | 6 | 6 | *10 | *13 | *12 |
6 | NF | 5 | 6 | NF | *10 | 9 |
7 | NF | NF | *14 | NF | NF | NF |
8 | *10 | 5.5 | *12 | 8 | 6 | 7 |
9 | NF | *11 | 5 | 6 | NF | 8 |
10 | *12 | *10 | 4 | NF | 5.5 | NF |
11 | NF | NF | NF | NF | NF | NF |
12 | 8 | NF | NF | NF | 4 | 5 |
13 | NF | NF | NF | NF | NF | NF |
14 | 7 | NF | NF | NF | NF | NF |
**Ampicillin | *14 | *12 | *19 | *16 | *20 | *18 |