Table 3. Antimicrobial activity of ethyl p-methoxy cinnamate rich K. galanga essential oil.

Name of the essential oil	Bacteria/Fungus	Inhibition zone (mm)				Standard diameter in mm (ciprofloxacin/Fluconazol, 10 µg/mL)
		50 µg/mL	100 µg/mL	250 µg/mL	500 µg/mL
MCKG	S. aureus	13 ± 0.58	20 ± 1.5	27 ± 1.2	35 ± 1.5	18 ± 1
	B. subtilis	10 ± 1	13 ± 1.52	25 ± 0.6	31 ± 1.52	38 ± 1.53
	B. cereus	14 ± 1.53	15 ± 2.08	20 ± 1.2	26 ± 1.15	15 ± 1.52
	S. typhimurium	12 ± 1.15	15 ± 1.52	19 ± 1	20 ± 1.52	19 ± 0.58
	M. luteus	8 ± 0.5	12 ± 0.5	18 ± 0.5	22 ± 0.5	44 ± 1.15
	S. mutans	8 ± 0.5	9 ± 0.5	11 ± 0.5	14 ± 1	25 ± 1
	S. enterica	10 ± 0.5	11 ± 0.5	12 ± 0.5	14 ± 0.5	30 ± 1.20
	S. cereviaceae	17 ± 0.5	19 ± 0.5	21 ± 0.5	24 ± 0.5	27 ± 0.5
	C. albicans	11 ± 0.5	15 ± 0.5	17 ± 0.5	21 ± 0.5	29 ± 0.5
	A. oryzae	7 ± 0.5	9 ± 0.5	16 ± 0.5	19 ± 0.5	10 ± 1.25
	F. keratoplasticum	NA	10 ± 0.5	12 ± 0.5	16 ± 0.5	28 ± 0.50
	A. fumigatus	NA	NA	11 ± 0.5	13 ± 0.5	21 ± 0.5
	A. niger	NA	NA	NA	10 ± 0.5	26 ± 0.47

Note:

µg, microgram; mL, millilitre; MCKG, ethyl p-methoxycinnamate rich K. galanga essential oil.