Evaluation of the Antibacterial Activity and Probiotic Potential of Lactobacillus plantarum Isolated from Chinese Homemade Pickles

Table 1

Characterization of antibacterial compounds from three L. plantarum strains.

Treatment	Residual inhibitory activity
	S. typhimurium ATCC14028			L. monocytogenes ATCC19117
	GS083	GS086	GS090	GS083	GS086	GS090
Control	+++	+++	+++	++++	++++	++++
5.5	—	—	—	—	—	—
Catalase	+++	+++	+++	++++	++++	++++
Trypsin	+++	+++	+++	++++	++++	++++
Pepsin	+++	+++	+++	++++	++++	++++
Proteinase K	+++	+++	+++	++++	++++	++++

The diameter of the inhibition zone (mm): − < 6, 6 < + < 10, 10 < ++ < 14, 14 < +++ < 18, ++++ > 18.