Table 2.

Antimicrobial activity of CFS of L. plantarum strains determined by well-diffusion assay and expressed as the size of inhibition zones around the wells (mm).

	CFS-A	CFS-B	CFS-A	CFS-B	CFS-A	CFS-B	CFS-A	CFS-B	CFS-A	CFS-B	CFS-A	CFS-B	CFS-A	CFS-B
	E. coli O157:H7		L. monocytogenes		S. Enteritidis		S. aureus R1070		S. aureus R1208		S. aureus S1209		S. aureus S1220
L. plantarum 30	5.0	4.4	5.0	4.9	6.0	5.5	7.0	6.5	5.0	5.0	0.0	0.0	0.5	0.0
L. plantarum 31	3.3	3.1	5.0	5.0	7.0	6.4	8.0	6.3	6.0	5.5	4.0	4.0	2.5	2.0
L. plantarum 32	4.1	4.0	5.5	5.0	7.7	6.9	8.8	6.4	8.0	7.8	4.0	3.8	3.0	2.8
L. plantarum 33	4.3	4.3	5.4	5.0	1.0	1.0	7.6	7.0	3.0	2.0	4.0	3.8	3.0	3.0
L. plantarum 103	6.0	6.0	8.0	8.0	6.8	6.3	7.0	6.3	3.5	2.0	5.5	4.0	3.0	3.0
L. plantarum 104	5.5	5.4	8.7	8.5	4.0	3.6	7.0	6.2	3.0	2.0	4.0	4.0	4.0	3.5
L. plantarum 105	7.2	7.1	10.2	10.0	5.2	5.0	6.5	6.0	3.1	2.0	4.0	4.0	4.0	3.5
L. plantarum 106	11.0	11.0	9.2	8.8	5.0	5.0	5.0	5.0	3.0	2.0	5.5	5.0	4.0	3.5
L. plantarum 107	10.8	1.5	9.3	9.0	5.1	5.0	3.0	2.1	3.0	2.5	4.5	4.0	4.0	4.0
L. plantarum 108	6.0	6.0	4.3	4.3	4.8	4.7	2.0	1.9	3.1	3.0	4.5	4.0	4.8	4.0
L. plantarum 109	6.3	6.0	4.3	4.5	7.0	7.2	3.0	2.5	4.0	3.2	4.5	4.5	4.0	3.6
L. plantarum 117	4.2	4.3	7.2	7.0	6.0	5.5	3.1	2.6	3.0	3.0	4.5	4.0	4.0	3.6
L. plantarum 118	4.6	4.5	5.5	5.3	5.9	5.8	5.0	4.9	1.0	1.0	4.0	4.0	1.0	1.0
L. plantarum 119	4.1	4.0	6.9	6.8	7.6	7.6	2.0	2.0	0.0	0.0	2.5	2.0	3.0	2.0
L. plantarum 120	3.9	3.8	6.8	6.8	8.0	7.9	5.0	4.9	0.0	0.0	2.5	2.0	3.0	2.5
L. plantarum 121	5.2	5.2	8.8	8.8	7.0	7.0	7.4	7.0	1.0	0.0	3.0	3.0	3.0	2.5
L. plantarum 122	6.9	6.5	8.9	8.8	5.4	5.0	7.1	7.0	4.0	4.0	3.0	3.0	1.0	1.0

CFS-A, untreated and 10x concentrated cell free supernatant; CFS-B, 10x concentrated CFS heated at 80°C for 10 min.