. 2025 Aug 26;25:549. doi: 10.1186/s12866-025-04326-4

Table 1.

Antibacterial properties of ‘lactobacilli’ against selected test bacteria

Strain no.	LAB strains	Zone of inhibition (mean ± SD) against the test organisms
Strain no.	LAB strains	E. coli ATCC 25,922	P.aeruginosa ATCC 27,853	S. aureus ATCC 25,923	Salmonella sp.	Shigella sp.
ST1	Levilactobacillus brevis	13.00 ± 0.04^bcA	11.00 ± 0.03^dB	11.00 ± 0.03^eB	13.00 ± 0.00^dA	13.00 ± 0.03^dA
ST2	Levilactobacillus brevis	15.00 ± 0.32^aB	14.00 ± 0.31^cC	10.00 ± 0.07^fD	16.00 ± 0.03^aA	15.00 ± 0.00^bB
ST3	Lecticaseibacillus paracasei	12.00 ± 0.20^cA	12.00 ± 0.41^dA	11.00 ± 0.31^eB	11.00 ± 0. 33^fB	11.00 ± 0. 23^fB
ST4	Lentilactobacillus hilgardii	0.00 ± 0.00^eD	12.00 ± 0.01^dC	13.00 ± 0.22^cB	16.00 ± 0. 33^aA	12.00 ± 0.00^eC
ST5	Lentilactobacillus hilgardii	15.00 ± 0.58^aA	12.00 ± 0.20^dC	11.00 ± 0.04^eC	15.00 ± 0.16^bB	0.00 ± 0.00^iD
ST6	Lentilactobacillus hilgardii	14.00 ± 0.34^abE	19.00 ± 0.30^aA	18.00 ± 0.21^aB	15.00 ± 0.00^bD	17.00 ± 0.23^aC
ST7	Lentilactobacillus parabuchneri	0.00 ± 0.00^eC	15.00 ± 0.00^cA	15.00 ± 0.14^bA	14.00 ± 0.06^cB	15.00 ± 0.0^bA
ST8	Lecticaseibacillus paracasei	14.00 ± 0.01^abB	17.00 ± 0.20^bA	10.00 ± 0.22^fC	14.00 ± 0.06^cB	14.00 ± 0.30^cB
ST9	Lentilactobacillus hilgardii	14.00 ± 0.10^abC	14.00 ± 0.03^cC	18.00 ± 0.02^aA	13.00 ± 0.22^dD	15.00 ± 0.13^bB
ST10	Lecticaseibacillus paracasei	14.00 ± 0.35^abC	17.00 ± 0.32^bA	15.00 ± 0.02^bB	15.00 ± 0.33^bB	14.00 ± 0.00^cC
ST11	Lecticaseibacillus paracasei	0.00 ± 0.00^eD	8.00 ± 0.00^eC	10.00 ± 0.03^fB	12.00 ± 0.11^eA	10.00 ± 0.00^gB
ST12	Lecticaseibacillus paracasei	10.00 ± 0.03^dB	0.00 ± 0.00^fD	10.00 ± 0.00^fB	7.00 ± 0.21^iC	13.00 ± 0.23^dA
ST13	Lecticaseibacillus paracasei	0.00 ± 0.00^eE	12.00 ± 0.00^dA	11.00 ± 0.00^eB	10.00 ± 0.04^gC	8.00 ± 0.10^hD
ST14	Lecticaseibacillus paracasei	12.00 ± 0.15^cA	0.00 ± 0.00^fE	11.00 ± 0.00^eB	8.00 ± 0.00^hD	10.00 ± 0.00^gC
ST15	Lecticaseibacillus paracasei	0.00 ± 0.00^eD	0.00 ± 0.00^fD	10.00 ± 0.10^fC	14.00 ± 0.12^cA	12.00 ± 0.01^eB
ST16	Lecticaseibacillus paracasei	10.00 ± 0.00^dB	0.00 ± 0.00^fC	10.00 ± 0.00^fB	14.00 ± 0.02^cA	10.00 ± 0.03^gB
ST17	Levilactobacillus brevis	0.00 ± 0.00^eC	8.00 ± 0.00^eB	12.00 ± 0.0^dA	0.00 ± 0.00^jC	12.00 ± 0.21^eA
ST18	Lecticaseibacillus paracasei	15.00 ± 0.01^aA	12.00 ± 0.14^dC	10.00 ± 0.02^fC	13.00 ± 0.21^dB	13.00 ± 0.32^dB

Zone of inhibition values represent the means of three replicates. Values with different letters (a–j) in the same column and different superscripts with capital letters across the row are significantly different. (Tukey’s HSD, p < 0.05)