Table 4.

Inhibitory spectrum of the cell-free culture supernatant (CFCS) of P. pentosaceus MZF16 as measured by agar well diffusion method.

Indicator strains	Inhibition zone (mm)*of MZF16
	Non-treated CFCS	Neutralized at pH 6.5	Proteinase K	Heat treatment
L. innocua HBP13	+++	++	−	++
L. monocytogenes CIP 55143	+++	++	−	++
E. faecalis ATCC 29212	+++	+++	−	++
P. aeruginosa PAO1	++	++	−	+
P. pentosaceus MZF16	−	−	−	−

^*, No inhibition zone; + < 3 mm, ++ 3–6 mm, +++ radius inhibit zone > 6 mm.