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Inhibitory effects of alkaloids against E. coli biofilm formation.
| Sample | E. coli Biofilm Formation Inhibition Rate (%) a | IC50 (μg/mL) |
|---|---|---|
| Positive control | 98.4 ± 0.8 | |
| 12 | 10.4 ± 1.7 | >100 |
| 25 | 72.1 ± 2.8 | 50.9 |
| 26 | 76.5 ± 1.1 | 31.3 |
| 27 | 25.9 ± 2.4 | >100 |
a Measured in a dose of 100 μg/mL. Positive control: chloramphenicol.
