Inhibition Zone diameter (mm)/MICs (mg/L)a | β-lactamases | |||||||
---|---|---|---|---|---|---|---|---|
Strains | AM | PEN | CEF | FOX | CAZ | CTX | SHV | TEM |
E. coli | ≤1/640 | ≤1/640 | 8/320 | 15/20 | 11/160 | 12/320 | SHV-1(L138P) | TEM-20 |
RG E. coli-M1 | 12/160 | 1/40 | - | - | - | - | SHV-1 | |
RG E. coli-M2 | 28/40 | 14/40 | - | - | - | - | L138P | |
RG E. coli-M3 | 11/160 | 1/160 | - | - | - | - | P226S | |
RG E. coli-M4 | 28/20 | 12/2 | - | - | - | - | L138P P226S |