. 2020 Aug 26;9(9):796. doi: 10.3390/antiox9090796

Table 6.

Interactions between C. uralensis extracts and selected antibiotics against acne bacteria.

Bacterial Strains	FICI^a Index of Different Combinations of Antibiotics and C. uralensis Extracts
	CUA				CUM				CUE
	Cefepime	Ceftriaxone	Ciprofloxacin	Sparfloxacin	Cefepime	Ceftriaxone	Ciprofloxacin	Sparfloxacin	Cefepime	Ceftriaxone	Ciprofloxacin	Sparfloxacin
S. aureus	2 ^d	1.5 ^d	1.06 ^d	1.5 ^d	2 ^d	1.06 ^d	1.5 ^d	1.5 ^d	1.5 ^d	2 ^d	2 ^d	2 ^d
S. epidermidis	1.06 ^d	1.5 ^d	1.06 ^d	1.5 ^d	1.06 ^d	1.06 ^d	1.5 ^d	1.06 ^d	1.5 ^d	1.5 ^d	1.5 ^d	2 ^d
P. acnes PCM 2400	1.06 ^d	2 ^d	2 ^d	1.5 ^d	0.5 ^b	0.5 ^b	1.0 ^d	1.06 ^d	1.5 ^d	1.5 ^d	1.06 ^d	1.5 ^d
P. acnes PCM 2334	1.06 ^d	1.06 ^d	1.5 ^d	1.06 ^d	0.5 ^b	0.375 ^b	0.562 ^c	1.06 ^d	1.06 ^d	1.5 ^d	1.06 ^d	1.06 ^d

^a Fractional inhibitory concentration index; ^b Total synergism; ^c Partial synergism; ^d No effect.