Table 1.
Antimicrobial activity of composite films against E. coli, B. subtilis, C. albicans.
| Composite film code with EEP concentration | E. coli | B. subtilis | C. albicans | |||
|---|---|---|---|---|---|---|
| IZ, mm | MIC, mg/mL | IZ, mm | MIC, mg/mL | IZ, mm | MIC, mg/mL | |
| BC -ETOH (control) | 2 ± 0.05 | 1.89 | 0 (+) | >1.89 | 2 ± 0.07 | 1.89 |
|
BC-EEP1 (control) (S1*) |
3 ± 0.1 | 1.3 | 8 ± 0.25 | <0.44 | 3 ± 0.15 | 1.3 |
|
BC-EEP2 (control) (S2*) |
1.5 ± 0.05 | >0.8 | 9 ± 0.35 | <0.44 | 4 ± 0.25 | 0.44 |
|
BC- EEP3 (control) (S3*) |
0 (+) | >1.89 | 8 ± 0.22 | <0.44 | 4 ± 0.25 | 0.44 |
|
BC- EEP4 (control) (S4*) |
5 ± 0.25 | 0.44 | 12 ± 0.05 | < 0.44 | 7 ± 0.1 | <0.44 |
| BC-ZnO-40 (control) | 0 (+) | >1.89 | 4 ± 0.13 | 0.44 | 0 (−) | >1.89 |
| BC-ZnO-40-EEP1 (F1S1*) | 0 (+) | >1.89 | 5 ± 0.15 | 0.44 | 0 (+) | >1.89 |
|
BC-ZnO-40-EEP2 (F1S2*) |
0 (+) | >1.89 | 8 ± 0.25 | <0.44 | 1 ± 0.05 | >0.8 |
|
BC-ZnO-40-EEP3 (F1S3*) |
0 (+) | >1.89 | 4 ± 0.05 | 0.44 | 3 ± 0.35 | 1.3 |
|
BC-ZnO-40-EEP4 (F1S4*) |
0 (+) | >1.89 | 4 ± 0.35 | 0.44 | 2 ± 0.05 | 1.89 |
| BC-ZnO-100 (control) | 0 (+) | >1.89 | 4 ± 0.15 | 0.44 | 0 (+) | >1.89 |
|
BC-ZnO-100-EEP1 (F2S1*) |
0 (+) | >1.89 | 4 ± 0.25 | 0.44 | 0 (+) | >1.89 |
|
BC-ZnO-100-EEP2 (F2S2*) |
0 (+) | >1.89 | 7 ± 0.15 | <0.44 | 0 (+) | >1.89 |
|
BC-ZnO-100-EEP3 (F2S3*) |
0 (+) | >1.89 | 3 ± 0.25 | 0.44 | 5 ± 0.15 | 1.3 |
|
BC-ZnO-100-EEP4 (F2S4*) |
0 (+) | >1.89 | 2 ± 0.15 | 0.44 | 4 ± 0.25 | 1.89 |
*Assigned codes for BC-ZnOfilms impregnated with EEP solutions from Supplementary information.