Phytochemical profile and antimicrobial activity of essential oils from two Syzygium species against selected oral pathogens

Table 3 Zones of inhibition of the tested essential oils extracted from Syzygium samarangense and Syzygium malaccense leaves by hydrodistillation (HD) and supercritical fluid (SF) methods

Sample	*S. samarangense* HD			*S. malaccense* HD				*S. samarangense* SF				*S. malaccense* SF				AK	AX	NOR	OFX	SAM	NS
Sample	µL/mL							µg/mL								µg/mL
Conc.	30	20	10	50	30	20	10	13.7^a	30	20	10	11.7^a	30	20	10	30	25	10	5	20	50
*S. aureus*	18	14	7	17	8	-	-	8	-	-	-	-	-	-	-	22	21	25	27	24	NT
*E. faecalis*	15	10	7	16	16	-	-	8	-	-	-	11	9	7		22	21	25	27	24	NT
*E. coli*	-	-	-	-	-	-	-	9	-	-	-	-	-	-	-	22	-	30	29	19	NT
*C.albicans*	16	-	-	-	-	-	-	10	-	-	-	-	-	-	-	NT	NT	NT	NT	NT	-

- Not detected, NT not tested, ^aconc. in mg/mL, ZOI measured in mm, (AK); Amikacin, (AX); Amoxicillin, (NOR); Norfloxacin, (OFX); Ofloxacin, (SAM); sulbactam/Ampicillin, and (NSl); Nystatin. Results were expressed as Mean (n = 3) with SD ± 1

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