Table 1.
Antibacterial activity of CBM/CMC, PC, EEO, GEO, CEO, CBM/CMC/PC, CBM/CMC/EEO, CBM/CMC/GEO and CBM/CMC/EEO
| Sample code | Escherichia coli | Staphylococcus aureus |
|---|---|---|
| CBM/CMC | −28.41 ± 0.99%a | 16.49 ± 1.58%a |
| PC (gentamicin) | 41.04 ± 0.54%b | 71.28 ± 0.21%b |
| EEO | 2.37 ± 0.11%c | 49.06 ± 1.52%c |
| GEO | 2.23 ± 0.08%c | 20.67 ± 2.36%d |
| CEO | 2.96 ± 0.29%c | 16.08 ± 0.99%a |
| CBM/CMC/PC | 0.71 ± 0.14%d | 16.70 ± 0.24%a |
| CBM/CMC/EEO | 46.26 ± 2.22%e | 63.05 ± 0.99%e |
| CBM/CMC/GEO | 18.21 ± 1.20%f | 38.41 ± 0.21%f |
| CBM/CMC/CEO | 22.90 ± 2.15%g | 53.67 ± 0.42%g |
CBM carbomer 940, CMC carboxymethyl chitosan, EEO eucalyptus essential oil, GEO ginger essential oil, CEO cumin essential oil, PC positive control. Values are given as mean ± SD (n = 3). The concentration of PC used was 50 μg/mL, the concentrations of essential oils used was 50 mg/mL. a–gDifferent superscript letters in the same column indicate significantly different values (p < 0.05)