Table 3 Antibiofilm activity of cardamom and cinnamon essential oils and their combination on inhibition of initial bacteria cell attachment and biofilm formation (growth and development)
Plant EO | Strain | MIC value (%v/v) Concentration | % Inhibition of bacteria attachment | % Inhibition of biofilm formation | |
|---|---|---|---|---|---|
Crystal violet | Crystal violet | XTT | |||
Cardamom | E. coli | 2.5 | 92 | 68 | 57 |
Cinnamon | 0.08 | 100 | 100 | 99 | |
Cardamom/Cinnamon | 0.04/0.04 | 62 | 58 | 61 | |
Cardamom | B. subtilis | 2.5 | 76 | 41 | 33 |
Cinnamon | 0.63 | 54 | 55 | 36 | |
Cardamom/Cinnamon | 0.02/0.04 | 80 | 98 | 58 | |