Identification of the AntiListerial Constituents in Partially Purified Column Chromatography Fractions of Garcinia kola Seeds and Their Interactions with Standard Antibiotics

Table 4

Interactions of the Benz2 column chromatography fraction and some antibiotics.

Organism	Antimicrobial combination	FIC index of (antibiotic)	FIC index of Benz2	ΣFIC index	Interaction
L. grayi (LAL 15)	Benz2/Pen	1	0.063	1.06	Indifferent
	Benz2/Cipro	0.125	0.5	0.625	Additive
	Benz/Ampi	1	0.250	1.25	Indifferent
L. monocytogenes (LAL 8)	Benz2/Pen	1	0.250	1.25	Indifferent
	Benz2/Cipro	0.5	0.5	1	Additive
	Benz2/Ampi	1	0.250	1.25	Indifferent
L. ivanovii (LEL 18)	Benz2/Pen	1	0.063	1.06	Indifferent
	Benz2/Cipro	0.250	0.5	0.750	Additive
	Benz/Ampi	1	0.250	1.25	Indifferent
L. ivanovii (LEL 30)	Benz2/Pen	0.5	0.250	0.750	Additive
	Benz2/Cipro	0.125	0.250	0.370	Synergy
	Benz2/Ampi	1	0.250	1.25	Indifferent

Key: Pen denotes penicillin G, Ampi denotes ampicillin, and Cipro denotes ciprofloxacin.