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

Table 5

Interactions of the Benz3 column fraction of Garcinia kola seeds and some antibiotics.

Organism	Antimicrobial combination	FIC index of antibiotic	FIC index of Benz3	ΣFIC index	Interaction
L. grayi (LAL 15)	Benz3/Pen	0.5	0.031	0.531	Additive
	Benz3/Cipro	0.125	0.5	0.625	Additive
	Benz3/Ampi	1	0.250	1.24	Indifferent
L. monocytogenes (LAL 8)	Benz3/Pen	0.5	0.063	0.563	Additive
	Benz3/Cipro	0.25	0.25	0.5	Synergy
	Benz3/Ampi	0.497	0.063	0.560	Additive
L. ivanovii (LEL 18)	Benz3/Pen	0.25	0.016	0.266	Synergy
	Benz3/Cipro	0.125	0.5	0.625	Additive
	Benz3/Ampi	0.248	0.063	0.311	Synergy
L. ivanovii (LEL 30)	Benz3/Pen	0.25	0.25	0.5	Synergy
	Benz3/Cipro	0.125	0.501	0.626	Additive
	Benz3/Ampi	1	0.251	1.25	Indifferent

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