. 2021 Sep 27;11:19079. doi: 10.1038/s41598-021-98717-y

Table 2.

Antimicrobial activity of P. dhana essential oil and chloramphenicol.

Microorganism	Chloramphenicol			P. dhana essential oil
Microorganism	MIC (µg/mL)	MMC (µg/mL)	Zone of inhibition diameter (mm) (1000 µg/mL)	MIC (µg/mL)	MMC (µg/mL)	Zone of inhibition diameter (mm) (1000 µg/mL)
Gram-positive bacteria
S. aureus ATCC 25923	125.00^c	500.00^b	19.10 ± 0.01^c	250.00^c	1000.00^c	18.20 ± 0.20^b
S. epidermidis ATCC 12228	125.00^c	500.00^b	19.50 ± 0.01^c	125.00^b	500.00^b	19.25 ± 0.25^b
B. subtilis ATCC 6051	62.50^b	500.00^b	20.40 ± 0.01^b	125.00^b	1000.00^c	19.60 ± 0.31^b
Gram-negative bacteria
E. coli ATCC 25922	62.50^b	500.00^b	10.10 ± 0.00^e	62.50^a	500.00^b	12.90 ± 0.20^c
P. aeruginosa ATCC 27853	31.25^a	250.00^a	40.30 ± 0.01^a	62.50^a	250.00^a	40.80 ± 0.20^a
E. aerogenes ATCC 13048	62.50^b	500.00^b	19.20 ± 0.03^c	62.50^a	500.00^b	18.70 ± 0.30^b
Fungus
C. albicans ATCC 10231	62.50^b	500.00^b	17.50 ± 0.20^d	125.00^b	500.00^b	10.70 ± 0.20^d

The data are mean ± standard deviation. Different letters indicate significant differences (p < 0.05).