Table 1 Antimicrobial activity of different polyamide resin elution fractions from Bletilla striata fibrous root ethanol extract
Indicator strain | Inhibition zone size (mm diameter) | |||||
|---|---|---|---|---|---|---|
EF20a | EF40a | EF60a | EF80a | EF95a | Ampb | |
Staphylococcus aureus ATCC 25923 | NA | 12 ± 0.4 | 21 ± 0.7 | NA | NA | 27 ± 0.6 |
Escherichia coli ATCC 35218 | NA | NA | NA | NA | NA | 20 ± 0.3 |