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. 2021 Oct 18;10(10):1266. doi: 10.3390/antibiotics10101266

Table 5.

Anti-quorum-sensing activity of pennyroyal EO.

Samples Diameters of Inhibition of the Violacein Pigment Production (mm)
Pennyroyal EO
(15 µL/disk) a
89.97 ± 1.22
DMSO
(15 µL/disk) b
0.00
Resveratrol
(5 µg/disk) c
8.59 ± 0.25
p-Values <0.001 ab,*
<0.001 ac,*

Results expressed as mean ± SD; upper letters (a, b, c) were used to identify the pairs of samples under statistical comparison; * indicates a significant result (p-value < 0.05).