Biochemistry Research International

Research Article

Chemical Characterization, Antioxidant, Antimicrobial, and Antibiofilm Activities of Essential Oils of Plumeria alba (Forget-Me-Not)

Table 6

Inhibition of P. aeruginosa biofilm formation by flower and leaf essential oils of Plumeria alba.
Concentrations% biofilm inhibition
Flower essential oilLeaf essential oilGentamicin
MIC80.21 ± 9.264.11 ± 1.994.38 ± 6.0
MIC/275.76 ± 12.158.26 ± 8.393.70 ± 6.6
MIC/473.47 ± 13.655.13 ± 9.193.47 ± 6.8
MIC/865.08 ± 12.954.00 ± 9.188.83 ± 1.9
MIC/1658.40 ± 8.352.04 ± 6.979.17 ± 6.5
MIC/3248.46 ± 1.041.84 ± 5.978.08 ± 6.5
BIC50 (mg/mL)58.99 ± 0.660.06 ± 0.927.14 ± 1.0
Data are represented as a mean ± standard deviation. Concentrations of essential oils or gentamicin used were based on their minimum inhibitory concentration (MIC) against P. aeruginosa. Gentamicin was in μg/mL doses.