Table 7.

Antibiofilm effect of extracts, essential oil of O. majorana and its monoterpene components on sensitive and resistant S. aureus strains ¹.

Sample	Inhibition %
	S. aureus ATCC 25923		S. aureus MRSA ATCC 43300
	0.0625%	0.0312%	0.0625%	0.0312%
MeOH extract	0.93 **	−1.93 **	44.99 **	39.69 *
n-hexane extract	1.22 **	0.46 **	−53.03 ns	18.37 **
Essential oil	69.24	–	4.38	–
	100 µM	50 µM	100 µM	50 µM
α-terpinene	1.47 **	−1.13 **	−64.81 ns	26.82 **
γ-terpinene	0.76 **	−1.91 ***	−125.22 *	−53.03 *
terpinene 4-ol	−0.64 **	−1.51 **	66.31 **	53.71 **
sabinene	0.61 **	−1.83 ***	53.53 **	86.26 *
sabinene hydrate	−0.80 **	−2.84 **	60.56 **	69.48 **
linalool	0.21 **	−2.58 **	34.44 **	28.87 *
DMSO	0.56		−64.81
TZ	−	97.07		94.66

¹ The measurements were performed in triplicate. * p < 0.05, ** p < 0.01, *** p < 0.001, ns: not significant.