Table 7.

Antimicrobial activities of Myrtaceae essential oils.

Sample	Enterococcus faecalis	Staphylococcus aureus	Candida albicans
	MIC (μg/mL)
Baeckea frutescens leaf EO	64	nt	16
Callistemon citrinus leaf EO	32	256	16
Callistemon citrinus fruit EO	16	nt	128
Melaleuca leucadendra old leaf EO	32	64	128
Melaleuca leucadendra stem bark EO	16	64	64
Melaleuca leucadendra fruit EO	32	64	256
Syzygium nervosum leaf EO	32	nt	128
Streptomycin	256	256	nt
Nistatin	nt	nt	8
	IC50 (μg/mL)
Baeckea frutescens leaf EO	33.56	nt	8.67
Callistemon citrinus leaf EO	16.67	128.00	8.67
Callistemon citrinus fruit EO	8.89	nt	32.67
Melaleuca leucadendra old leaf EO	16.72	33.23	65.56
Melaleuca leucadendra stem bark EO	8.32	32.23	34.22
Melaleuca leucadendra fruit EO	15.98	32.89	128.35
Syzygium nervosum leaf EO	17.00	nt	65.33

MIC = minimum inhibitory concentration, EO = essential oil, nt = not tested, IC₅₀ = median inhibitory concentration.