Table 3: Inhibition zones of cold-pressed and distilled essential oils of C. paradisi and C. grandis.

SpeciesInhibition zone of essential oils (mm)
C. paradisiC. grandisStreptomycin
Cold-pressedDistilledCold-pressedDistilled
10 mg/mL20 mg/mL10 mg/mL20 mg/mL10 mg/mL20 mg/mL10 mg/mL20 mg/mL10 μg/mL

P. aeruginosa#6.9 ± 0.66.3 ± 0.67.9 ± 0.66.3 ± 0.618.4 ± 1.3
S. enterica subsp.21.6 ± 1.010.7 ± 1.56.6 ± 1.020.6 ± 1.017.3 ± 1.2
E. coli 12.9 ± 1.510.6 ± 0.07.6 ± 1.09.3 ± 0.614.6 ± 1.017.6 ± 0.9
S. aureus7.3 ± 1.513.6 ± 1.08.9 ± 2.112.3 ± 0.69.3 ± 1.28.9 ± 1.57.6 ± 1.013.6 ± 1.020.7 ± 0.9
S. faecalis10.6 ± 1.017.3 ± 5.09.3 ± 0.617.3 ± 2.36.0 ± 0.68.9 ± 0.68.6 ± 2.617.3 ± 1.510.9 ± 1.2

Degree of inhibition: —: no inhibition zone (≦6 mm). Moderate inhibition zone (6–9 mm). Strong inhibition zone (10–14 mm). Very strong inhibition zone (>15 mm).