Table 2.

Antimicrobial activity of the essential oil from Fortunella crassifolia Swingle peel.

		Inhibition zone (mm)		Essential oil (μg/mL)
Microorganisms	Source	Essential oil a	Gentamicin b	MIC c	MBC d
Gram negative
E. coli	ATCC 25922	18.0 ± 1.29	26.0 ± 0.10	50.0	52.5
S. typhimurium	ATCC 14028	13.2 ± 0.37	23.3 ± 0.47	70.0	72.5
Gram positive
S. aureus	ATCC 25923	14.8 ± 0.69	27.3 ± 0.47	65.0	67.5
B. subtilis	ATCC 21216	20.2 ± 0.37	23.3 ± 0.47	47.5	50.0
B. cereus	ATCC 10231	20.8 ± 0.69	22.0 ± 0.40	37.5	40.0
L. bulgaricus	ATCC 11842	18.2 ± 1.07	24.7 ± 0.47	67.5	70.0
B. laterosporus	ATCC 64	18.3 ± 0.94	20.3 ± 0.45	67.5	70.0
Fungus
C. albicans	ATCC 50013	13.7 ± 0.75	27.3 ± 0.47	70.0	72.5

^aThe concentration of essential oil was 5 mg/disc.

^bThe concentration of gentamicin was 50 μg/disc.

^cMinimum inhibitory concentration.

^dMinimum bactericidal concentration.