Bacterial type Bacterial strain Extracted part MIC (mg/ml) MBC (mg/ml) Aqueous extract Gram positive bacteria S. epidermidis (CIP 444) leaves 5 5 stems 26 53 roots 91 457 E. faecalis (ATCC29212) leaves 158 315 stems 300 >800 roots >800 >800 S. aureus (ATCC25923) leaves 354 >800 stems 430 >800 roots >800 >800 Gram negative bacteria E. coli (ATCC35218) leaves >800 >800 stems >800 >800 roots >800 >800 P. aeruginosa (ATCC27853) leaves 244 244 stems 215 >800 roots 450 450 Ethanolic extract Gram positive bacteria S. epidermidis (CIP 444) leaves 5 10 stems >800 >800 roots >800 >800 E. faecalis (ATCC29212) leaves 180 362 stems 184 184 roots >800 >800 S. aureus (ATCC25923) leaves 294 294 stems 368 368 roots >800 >800 Gram negative bacteria E. coli (ATCC35218) leaves >800 >800 stems >800 >800 roots >800 >800 P. aeruginosa (ATCC27853) leaves 343 343 stems 205 >800 roots >800 >800

Table 1: Antibacterial activity of the extracts of Eryngium creticum of the first period.