Table 7 Antimicrobial activity of different Echinacea extracts as inhibition zone diameters
From: Active compounds and biological activity of in vitro cultures of some Echinacea purpurea varieties
Microbial cultures | Inhibition zone diameters (cm) | |||||
|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | |
Bacillus subtilis | 2.5 | 2.0 | 3.0 | 3.0 | 1.5 | 3.0 |
Staphylococcus aureus | 2.5 | 1.7 | 2.0 | 0.0 | 1.5 | 2.0 |
Escherichia coli | 0.5 | 2.0 | 0.0 | 1.5 | 0.0 | 1.5 |
Saccharomyces cerevisiae | 3.0 | 2.0 | 0.0 | 1.5 | 0.0 | 1.8 |
Candida albicans | 2.5 | 0.0 | 0.0 | 3.0 | 0.0 | 0.0 |